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

   1 /*
   2  * winstuff.h: Windows-specific inter-module stuff.
   3  */
   4
   5 #ifndef PUTTY_WINSTUFF_H
   6 #define PUTTY_WINSTUFF_H
   7
   8 #ifndef AUTO_WINSOCK
   9 #include <winsock2.h>
  10 #endif
  11 #include <windows.h>
  12 #include <stdio.h>                     /* for FILENAME_MAX */
  13
  14 #include "tree234.h"
  15
  16 #include "winhelp.h"
  17
  18 struct Filename {
  19     char path[FILENAME_MAX];
  20 };
  21 #define f_open(filename, mode) ( fopen((filename).path, (mode)) )
  22
  23 struct FontSpec {
  24     char name[64];
  25     int isbold;
  26     int height;
  27     int charset;
  28 };
  29
  30 #define BOXFLAGS DLGWINDOWEXTRA
  31 #define BOXRESULT DLGWINDOWEXTRA + 4
  32 #define DF_END 0x0001
  33
  34 /*
  35  * Global variables. Most modules declare these `extern', but
  36  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  37  * module, and so will get them properly defined.
  38 */
  39 #ifndef GLOBAL
  40 #ifdef PUTTY_DO_GLOBALS
  41 #define GLOBAL
  42 #else
  43 #define GLOBAL extern
  44 #endif
  45 #endif
  46
  47 #ifndef DONE_TYPEDEFS
  48 #define DONE_TYPEDEFS
  49 typedef struct config_tag Config;
  50 typedef struct backend_tag Backend;
  51 typedef struct terminal_tag Terminal;
  52 #endif
  53
  54 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
  55 #define PUTTY_REG_PARENT "Software\\SimonTatham"
  56 #define PUTTY_REG_PARENT_CHILD "PuTTY"
  57 #define PUTTY_REG_GPARENT "Software"
  58 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
  59
  60 #define PUTTY_HELP_FILE "putty.hlp"
  61 #define PUTTY_HELP_CONTENTS "putty.cnt"
  62
  63 #define GETTICKCOUNT GetTickCount
  64 #define CURSORBLINK GetCaretBlinkTime()
  65 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
  66
  67 #define DEFAULT_CODEPAGE CP_ACP
  68
  69 typedef HDC Context;
  70
  71 /*
  72  * Window handles for the windows that can be running during a
  73  * PuTTY session.
  74  */
  75 GLOBAL HWND hwnd;       /* the main terminal window */
  76 GLOBAL HWND logbox;
  77
  78 /*
  79  * The all-important instance handle.
  80  */
  81 GLOBAL HINSTANCE hinst;
  82
  83 /*
  84  * Details of the help file.
  85  */
  86 GLOBAL char *help_path;
  87 GLOBAL int help_has_contents;
  88
  89 /*
  90  * The terminal and logging context are notionally local to the
  91  * Windows front end, but they must be shared between window.c and
  92  * windlg.c. Likewise the saved-sessions list.
  93  */
  94 GLOBAL Terminal *term;
  95 GLOBAL void *logctx;
  96
  97 /*
  98  * I've just looked in the windows standard headr files for WM_USER, there
  99  * are hundreds of flags defined using the form WM_USER+123 so I've
 100  * renumbered this NETEVENT value and the two in window.c
 101  */
 102 #define WM_XUSER     (WM_USER + 0x2000)
 103 #define WM_NETEVENT  (WM_XUSER + 5)
 104
 105 /*
 106  * On Windows, we send MA_2CLK as the only event marking the second
 107  * press of a mouse button. Compare unix.h.
 108  */
 109 #define MULTICLICK_ONLY_EVENT 1
 110
 111 /*
 112  * On Windows, data written to the clipboard must be NUL-terminated.
 113  */
 114 #define SELECTION_NUL_TERMINATED 1
 115
 116 /*
 117  * On Windows, copying to the clipboard terminates lines with CRLF.
 118  */
 119 #define SEL_NL { 13, 10 }
 120
 121 /*
 122  * sk_getxdmdata() does not exist under Windows (not that I
 123  * couldn't write it if I wanted to, but I haven't bothered), so
 124  * it's a macro which always returns NULL. With any luck this will
 125  * cause the compiler to notice it can optimise away the
 126  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 127  */
 128 #define sk_getxdmdata(socket, lenp) (NULL)
 129
 130 /*
 131  * File-selector filter strings used in the config box. On Windows,
 132  * these strings are of exactly the type needed to go in
 133  * `lpstrFilter' in an OPENFILENAME structure.
 134  */
 135 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 136                               "All Files (*.*)\0*\0\0\0")
 137 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 138                                "All Files (*.*)\0*\0\0\0")
 139
 140 /*
 141  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 142  * what it can get, which means any WinSock routines used outside
 143  * that module must be exported from it as function pointers. So
 144  * here they are.
 145  */
 146 extern int (WINAPI *p_WSAAsyncSelect)
 147     (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
 148 extern int (WINAPI *p_WSAEventSelect)
 149     (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
 150 extern int (WINAPI *p_select)
 151     (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
 152      fd_set FAR *exceptfds, const struct timeval FAR * timeout);
 153 extern int (WINAPI *p_WSAGetLastError)(void);
 154 extern int (WINAPI *p_WSAEnumNetworkEvents)
 155     (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);
 156
 157 extern int socket_writable(SOCKET skt);
 158
 159 /*
 160  * Exports from winctrls.c.
 161  */
 162
 163 struct ctlpos {
 164     HWND hwnd;
 165     WPARAM font;
 166     int dlu4inpix;
 167     int ypos, width;
 168     int xoff;
 169     int boxystart, boxid;
 170     char *boxtext;
 171 };
 172
 173 /*
 174  * Exports from winutils.c.
 175  */
 176 void split_into_argv(char *, int *, char ***, char ***);
 177
 178 /*
 179  * Private structure for prefslist state. Only in the header file
 180  * so that we can delegate allocation to callers.
 181  */
 182 struct prefslist {
 183     int listid, upbid, dnbid;
 184     int srcitem;
 185     int dummyitem;
 186     int dragging;
 187 };
 188
 189 /*
 190  * This structure is passed to event handler functions as the `dlg'
 191  * parameter, and hence is passed back to winctrls access functions.
 192  */
 193 struct dlgparam {
 194     HWND hwnd;                         /* the hwnd of the dialog box */
 195     struct winctrls *controltrees[8];  /* can have several of these */
 196     int nctrltrees;
 197     char *wintitle;                    /* title of actual window */
 198     char *errtitle;                    /* title of error sub-messageboxes */
 199     void *data;                        /* data to pass in refresh events */
 200     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 201     char shortcuts[128];               /* track which shortcuts in use */
 202     int coloursel_wanted;              /* has an event handler asked for
 203                                         * a colour selector? */
 204     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 205     tree234 *privdata;                 /* stores per-control private data */
 206     int ended, endresult;              /* has the dialog been ended? */
 207 };
 208
 209 /*
 210  * Exports from winctrls.c.
 211  */
 212 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 213                 int leftborder, int rightborder, int topborder);
 214 HWND doctl(struct ctlpos *cp, RECT r,
 215            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 216 void bartitle(struct ctlpos *cp, char *name, int id);
 217 void beginbox(struct ctlpos *cp, char *name, int idbox);
 218 void endbox(struct ctlpos *cp);
 219 void multiedit(struct ctlpos *cp, int password, ...);
 220 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 221 void bareradioline(struct ctlpos *cp, int nacross, ...);
 222 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 223 void checkbox(struct ctlpos *cp, char *text, int id);
 224 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 225 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 226                char *btext, int bid);
 227 void static2btn(struct ctlpos *cp, char *stext, int sid,
 228                 char *btext1, int bid1, char *btext2, int bid2);
 229 void staticedit(struct ctlpos *cp, char *stext,
 230                 int sid, int eid, int percentedit);
 231 void staticddl(struct ctlpos *cp, char *stext,
 232                int sid, int lid, int percentlist);
 233 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 234 void staticpassedit(struct ctlpos *cp, char *stext,
 235                     int sid, int eid, int percentedit);
 236 void bigeditctrl(struct ctlpos *cp, char *stext,
 237                  int sid, int eid, int lines);
 238 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 239 void editbutton(struct ctlpos *cp, char *stext, int sid,
 240                 int eid, char *btext, int bid);
 241 void sesssaver(struct ctlpos *cp, char *text,
 242                int staticid, int editid, int listid, ...);
 243 void envsetter(struct ctlpos *cp, char *stext, int sid,
 244                char *e1stext, int e1sid, int e1id,
 245                char *e2stext, int e2sid, int e2id,
 246                int listid, char *b1text, int b1id, char *b2text, int b2id);
 247 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 248                char *btext, int bid, int eid, char *s2text, int s2id);
 249 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 250                 char *btext, int bid, ...);
 251 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 252                char *stext, int sid, int listid, int upbid, int dnbid);
 253 int handle_prefslist(struct prefslist *hdl,
 254                      int *array, int maxmemb,
 255                      int is_dlmsg, HWND hwnd,
 256                      WPARAM wParam, LPARAM lParam);
 257 void progressbar(struct ctlpos *cp, int id);
 258 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 259                char *e1stext, int e1sid, int e1id,
 260                char *e2stext, int e2sid, int e2id,
 261                char *btext, int bid,
 262                char *r1text, int r1id, char *r2text, int r2id);
 263
 264 #define MAX_SHORTCUTS_PER_CTRL 16
 265
 266 /*
 267  * This structure is what's stored for each `union control' in the
 268  * portable-dialog interface.
 269  */
 270 struct winctrl {
 271     union control *ctrl;
 272     /*
 273      * The control may have several components at the Windows
 274      * level, with different dialog IDs. To avoid needing N
 275      * separate platformsidectrl structures (which could be stored
 276      * separately in a tree234 so that lookup by ID worked), we
 277      * impose the constraint that those IDs must be in a contiguous
 278      * block.
 279      */
 280     int base_id;
 281     int num_ids;
 282     /*
 283      * Remember what keyboard shortcuts were used by this control,
 284      * so that when we remove it again we can take them out of the
 285      * list in the dlgparam.
 286      */
 287     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 288     /*
 289      * Some controls need a piece of allocated memory in which to
 290      * store temporary data about the control.
 291      */
 292     void *data;
 293 };
 294 /*
 295  * And this structure holds a set of the above, in two separate
 296  * tree234s so that it can find an item by `union control' or by
 297  * dialog ID.
 298  */
 299 struct winctrls {
 300     tree234 *byctrl, *byid;
 301 };
 302 struct controlset;
 303 struct controlbox;
 304
 305 void winctrl_init(struct winctrls *);
 306 void winctrl_cleanup(struct winctrls *);
 307 void winctrl_add(struct winctrls *, struct winctrl *);
 308 void winctrl_remove(struct winctrls *, struct winctrl *);
 309 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 310 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 311 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 312 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 313                     struct ctlpos *cp, struct controlset *s, int *id);
 314 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 315                            WPARAM wParam, LPARAM lParam);
 316 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 317 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 318
 319 void dp_init(struct dlgparam *dp);
 320 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 321 void dp_cleanup(struct dlgparam *dp);
 322
 323 /*
 324  * Exports from wincfg.c.
 325  */
 326 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 327                           int midsession);
 328
 329 /*
 330  * Exports from windlg.c.
 331  */
 332 void defuse_showwindow(void);
 333 int do_config(void);
 334 int do_reconfig(HWND, int);
 335 void showeventlog(HWND);
 336 void showabout(HWND);
 337 void force_normal(HWND hwnd);
 338 void modal_about_box(HWND hwnd);
 339 void show_help(HWND hwnd);
 340
 341 /*
 342  * Exports from winmisc.c.
 343  */
 344 extern OSVERSIONINFO osVersion;
 345 BOOL init_winver(void);
 346
 347 /*
 348  * Exports from sizetip.c.
 349  */
 350 void UpdateSizeTip(HWND src, int cx, int cy);
 351 void EnableSizeTip(int bEnable);
 352
 353 /*
 354  * Exports from unicode.c.
 355  */
 356 struct unicode_data;
 357 void init_ucs(Config *, struct unicode_data *);
 358
 359 /*
 360  * pageantc.c needs to schedule callbacks for asynchronous agent
 361  * requests. This has to be done differently in GUI and console, so
 362  * there's an exported function used for the purpose.
 363  *
 364  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 365  * synchronous in pscp and psftp.
 366  */
 367 void agent_schedule_callback(void (*callback)(void *, void *, int),
 368                              void *callback_ctx, void *data, int len);
 369 #define FLAG_SYNCAGENT 0x1000
 370
 371 #endif