mdw@git.distorted.org.uk Git - sgt/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, isprivate) ( fopen((filename).path, (mode)) )
  22
  23 struct FontSpec {
  24     char name[64];
  25     int isbold;
  26     int height;
  27     int charset;
  28 };
  29
  30 #ifndef CLEARTYPE_QUALITY
  31 #define CLEARTYPE_QUALITY 5
  32 #endif
  33 #define FONT_QUALITY(fq) ( \
  34     (fq) == FQ_DEFAULT ? DEFAULT_QUALITY : \
  35     (fq) == FQ_ANTIALIASED ? ANTIALIASED_QUALITY : \
  36     (fq) == FQ_NONANTIALIASED ? NONANTIALIASED_QUALITY : \
  37     CLEARTYPE_QUALITY)
  38
  39 /*
  40  * Where we can, we use GetWindowLongPtr and friends because they're
  41  * more useful on 64-bit platforms, but they're a relatively recent
  42  * innovation, missing from VC++ 6 and older MinGW.  Degrade nicely.
  43  * (NB that on some systems, some of these things are available but
  44  * not others...)
  45  */
  46
  47 #ifndef GCLP_HCURSOR
  48 /* GetClassLongPtr and friends */
  49 #undef  GetClassLongPtr
  50 #define GetClassLongPtr GetClassLong
  51 #undef  SetClassLongPtr
  52 #define SetClassLongPtr SetClassLong
  53 #define GCLP_HCURSOR GCL_HCURSOR
  54 /* GetWindowLongPtr and friends */
  55 #undef  GetWindowLongPtr
  56 #define GetWindowLongPtr GetWindowLong
  57 #undef  SetWindowLongPtr
  58 #define SetWindowLongPtr SetWindowLong
  59 #undef  GWLP_USERDATA
  60 #define GWLP_USERDATA GWL_USERDATA
  61 #undef  DWLP_MSGRESULT
  62 #define DWLP_MSGRESULT DWL_MSGRESULT
  63 /* Since we've clobbered the above functions, we should clobber the
  64  * associated type regardless of whether it's defined. */
  65 #undef LONG_PTR
  66 #define LONG_PTR LONG
  67 #endif
  68
  69 #define BOXFLAGS DLGWINDOWEXTRA
  70 #define BOXRESULT (DLGWINDOWEXTRA + sizeof(LONG_PTR))
  71 #define DF_END 0x0001
  72
  73 /*
  74  * Global variables. Most modules declare these `extern', but
  75  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  76  * module, and so will get them properly defined.
  77 */
  78 #ifndef GLOBAL
  79 #ifdef PUTTY_DO_GLOBALS
  80 #define GLOBAL
  81 #else
  82 #define GLOBAL extern
  83 #endif
  84 #endif
  85
  86 #ifndef DONE_TYPEDEFS
  87 #define DONE_TYPEDEFS
  88 typedef struct config_tag Config;
  89 typedef struct backend_tag Backend;
  90 typedef struct terminal_tag Terminal;
  91 #endif
  92
  93 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
  94 #define PUTTY_REG_PARENT "Software\\SimonTatham"
  95 #define PUTTY_REG_PARENT_CHILD "PuTTY"
  96 #define PUTTY_REG_GPARENT "Software"
  97 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
  98
  99 #define PUTTY_HELP_FILE "putty.hlp"
 100 #define PUTTY_CHM_FILE "putty.chm"
 101 #define PUTTY_HELP_CONTENTS "putty.cnt"
 102
 103 #define GETTICKCOUNT GetTickCount
 104 #define CURSORBLINK GetCaretBlinkTime()
 105 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
 106
 107 #define DEFAULT_CODEPAGE CP_ACP
 108
 109 typedef HDC Context;
 110
 111 #ifndef NO_GSSAPI
 112 /*
 113  * GSS-API stuff
 114  */
 115 typedef struct Ssh_gss_buf {
 116     int length;
 117     char *value;
 118 } Ssh_gss_buf;
 119
 120 #define SSH_GSS_EMPTY_BUF (Ssh_gss_buf) {0,NULL}
 121 #endif
 122
 123 /*
 124  * Window handles for the windows that can be running during a
 125  * PuTTY session.
 126  */
 127 GLOBAL HWND hwnd;       /* the main terminal window */
 128 GLOBAL HWND logbox;
 129
 130 /*
 131  * The all-important instance handle.
 132  */
 133 GLOBAL HINSTANCE hinst;
 134
 135 /*
 136  * Help file stuff in winhelp.c.
 137  */
 138 void init_help(void);
 139 void shutdown_help(void);
 140 int has_help(void);
 141 void launch_help(HWND hwnd, const char *topic);
 142 void quit_help(HWND hwnd);
 143
 144 /*
 145  * The terminal and logging context are notionally local to the
 146  * Windows front end, but they must be shared between window.c and
 147  * windlg.c. Likewise the saved-sessions list.
 148  */
 149 GLOBAL Terminal *term;
 150 GLOBAL void *logctx;
 151
 152 #define WM_NETEVENT  (WM_APP + 5)
 153
 154 /*
 155  * On Windows, we send MA_2CLK as the only event marking the second
 156  * press of a mouse button. Compare unix.h.
 157  */
 158 #define MULTICLICK_ONLY_EVENT 1
 159
 160 /*
 161  * On Windows, data written to the clipboard must be NUL-terminated.
 162  */
 163 #define SELECTION_NUL_TERMINATED 1
 164
 165 /*
 166  * On Windows, copying to the clipboard terminates lines with CRLF.
 167  */
 168 #define SEL_NL { 13, 10 }
 169
 170 /*
 171  * sk_getxdmdata() does not exist under Windows (not that I
 172  * couldn't write it if I wanted to, but I haven't bothered), so
 173  * it's a macro which always returns NULL. With any luck this will
 174  * cause the compiler to notice it can optimise away the
 175  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 176  */
 177 #define sk_getxdmdata(socket, lenp) (NULL)
 178
 179 /*
 180  * File-selector filter strings used in the config box. On Windows,
 181  * these strings are of exactly the type needed to go in
 182  * `lpstrFilter' in an OPENFILENAME structure.
 183  */
 184 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 185                               "All Files (*.*)\0*\0\0\0")
 186 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 187                                "All Files (*.*)\0*\0\0\0")
 188
 189 /*
 190  * On some versions of Windows, it has been known for WM_TIMER to
 191  * occasionally get its callback time simply wrong, and call us
 192  * back several minutes early. Defining these symbols enables
 193  * compensation code in timing.c.
 194  */
 195 #define TIMING_SYNC
 196 #define TIMING_SYNC_TICKCOUNT
 197
 198 /*
 199  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 200  * what it can get, which means any WinSock routines used outside
 201  * that module must be exported from it as function pointers. So
 202  * here they are.
 203  */
 204 extern int (WINAPI *p_WSAAsyncSelect)
 205     (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
 206 extern int (WINAPI *p_WSAEventSelect)
 207     (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
 208 extern int (WINAPI *p_select)
 209     (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
 210      fd_set FAR *exceptfds, const struct timeval FAR * timeout);
 211 extern int (WINAPI *p_WSAGetLastError)(void);
 212 extern int (WINAPI *p_WSAEnumNetworkEvents)
 213     (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);
 214
 215 extern int socket_writable(SOCKET skt);
 216
 217 extern void socket_reselect_all(void);
 218
 219 /*
 220  * Exports from winctrls.c.
 221  */
 222
 223 struct ctlpos {
 224     HWND hwnd;
 225     WPARAM font;
 226     int dlu4inpix;
 227     int ypos, width;
 228     int xoff;
 229     int boxystart, boxid;
 230     char *boxtext;
 231 };
 232
 233 /*
 234  * Exports from winutils.c.
 235  */
 236 typedef struct filereq_tag filereq; /* cwd for file requester */
 237 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 238 filereq *filereq_new(void);
 239 void filereq_free(filereq *state);
 240 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 241 void split_into_argv(char *, int *, char ***, char ***);
 242
 243 /*
 244  * Private structure for prefslist state. Only in the header file
 245  * so that we can delegate allocation to callers.
 246  */
 247 struct prefslist {
 248     int listid, upbid, dnbid;
 249     int srcitem;
 250     int dummyitem;
 251     int dragging;
 252 };
 253
 254 /*
 255  * This structure is passed to event handler functions as the `dlg'
 256  * parameter, and hence is passed back to winctrls access functions.
 257  */
 258 struct dlgparam {
 259     HWND hwnd;                         /* the hwnd of the dialog box */
 260     struct winctrls *controltrees[8];  /* can have several of these */
 261     int nctrltrees;
 262     char *wintitle;                    /* title of actual window */
 263     char *errtitle;                    /* title of error sub-messageboxes */
 264     void *data;                        /* data to pass in refresh events */
 265     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 266     char shortcuts[128];               /* track which shortcuts in use */
 267     int coloursel_wanted;              /* has an event handler asked for
 268                                         * a colour selector? */
 269     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 270     tree234 *privdata;                 /* stores per-control private data */
 271     int ended, endresult;              /* has the dialog been ended? */
 272 };
 273
 274 /*
 275  * Exports from winctrls.c.
 276  */
 277 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 278                 int leftborder, int rightborder, int topborder);
 279 HWND doctl(struct ctlpos *cp, RECT r,
 280            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 281 void bartitle(struct ctlpos *cp, char *name, int id);
 282 void beginbox(struct ctlpos *cp, char *name, int idbox);
 283 void endbox(struct ctlpos *cp);
 284 void editboxfw(struct ctlpos *cp, int password, char *text,
 285                int staticid, int editid);
 286 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 287 void bareradioline(struct ctlpos *cp, int nacross, ...);
 288 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 289 void checkbox(struct ctlpos *cp, char *text, int id);
 290 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 291 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 292                char *btext, int bid);
 293 void static2btn(struct ctlpos *cp, char *stext, int sid,
 294                 char *btext1, int bid1, char *btext2, int bid2);
 295 void staticedit(struct ctlpos *cp, char *stext,
 296                 int sid, int eid, int percentedit);
 297 void staticddl(struct ctlpos *cp, char *stext,
 298                int sid, int lid, int percentlist);
 299 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 300 void staticpassedit(struct ctlpos *cp, char *stext,
 301                     int sid, int eid, int percentedit);
 302 void bigeditctrl(struct ctlpos *cp, char *stext,
 303                  int sid, int eid, int lines);
 304 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 305 void editbutton(struct ctlpos *cp, char *stext, int sid,
 306                 int eid, char *btext, int bid);
 307 void sesssaver(struct ctlpos *cp, char *text,
 308                int staticid, int editid, int listid, ...);
 309 void envsetter(struct ctlpos *cp, char *stext, int sid,
 310                char *e1stext, int e1sid, int e1id,
 311                char *e2stext, int e2sid, int e2id,
 312                int listid, char *b1text, int b1id, char *b2text, int b2id);
 313 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 314                char *btext, int bid, int eid, char *s2text, int s2id);
 315 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 316                 char *btext, int bid, ...);
 317 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 318                char *stext, int sid, int listid, int upbid, int dnbid);
 319 int handle_prefslist(struct prefslist *hdl,
 320                      int *array, int maxmemb,
 321                      int is_dlmsg, HWND hwnd,
 322                      WPARAM wParam, LPARAM lParam);
 323 void progressbar(struct ctlpos *cp, int id);
 324 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 325                char *e1stext, int e1sid, int e1id,
 326                char *e2stext, int e2sid, int e2id,
 327                char *btext, int bid,
 328                char *r1text, int r1id, char *r2text, int r2id);
 329
 330 #define MAX_SHORTCUTS_PER_CTRL 16
 331
 332 /*
 333  * This structure is what's stored for each `union control' in the
 334  * portable-dialog interface.
 335  */
 336 struct winctrl {
 337     union control *ctrl;
 338     /*
 339      * The control may have several components at the Windows
 340      * level, with different dialog IDs. To avoid needing N
 341      * separate platformsidectrl structures (which could be stored
 342      * separately in a tree234 so that lookup by ID worked), we
 343      * impose the constraint that those IDs must be in a contiguous
 344      * block.
 345      */
 346     int base_id;
 347     int num_ids;
 348     /*
 349      * Remember what keyboard shortcuts were used by this control,
 350      * so that when we remove it again we can take them out of the
 351      * list in the dlgparam.
 352      */
 353     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 354     /*
 355      * Some controls need a piece of allocated memory in which to
 356      * store temporary data about the control.
 357      */
 358     void *data;
 359 };
 360 /*
 361  * And this structure holds a set of the above, in two separate
 362  * tree234s so that it can find an item by `union control' or by
 363  * dialog ID.
 364  */
 365 struct winctrls {
 366     tree234 *byctrl, *byid;
 367 };
 368 struct controlset;
 369 struct controlbox;
 370
 371 void winctrl_init(struct winctrls *);
 372 void winctrl_cleanup(struct winctrls *);
 373 void winctrl_add(struct winctrls *, struct winctrl *);
 374 void winctrl_remove(struct winctrls *, struct winctrl *);
 375 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 376 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 377 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 378 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 379                     struct ctlpos *cp, struct controlset *s, int *id);
 380 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 381                            WPARAM wParam, LPARAM lParam);
 382 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 383 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 384
 385 void dp_init(struct dlgparam *dp);
 386 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 387 void dp_cleanup(struct dlgparam *dp);
 388
 389 /*
 390  * Exports from wincfg.c.
 391  */
 392 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 393                           int midsession, int protocol);
 394
 395 /*
 396  * Exports from windlg.c.
 397  */
 398 void defuse_showwindow(void);
 399 int do_config(void);
 400 int do_reconfig(HWND, int);
 401 void showeventlog(HWND);
 402 void showabout(HWND);
 403 void force_normal(HWND hwnd);
 404 void modal_about_box(HWND hwnd);
 405 void show_help(HWND hwnd);
 406
 407 /*
 408  * Exports from winmisc.c.
 409  */
 410 extern OSVERSIONINFO osVersion;
 411 BOOL init_winver(void);
 412
 413 /*
 414  * Exports from sizetip.c.
 415  */
 416 void UpdateSizeTip(HWND src, int cx, int cy);
 417 void EnableSizeTip(int bEnable);
 418
 419 /*
 420  * Exports from unicode.c.
 421  */
 422 struct unicode_data;
 423 void init_ucs(Config *, struct unicode_data *);
 424
 425 /*
 426  * Exports from winhandl.c.
 427  */
 428 #define HANDLE_FLAG_OVERLAPPED 1
 429 #define HANDLE_FLAG_IGNOREEOF 2
 430 #define HANDLE_FLAG_UNITBUFFER 4
 431 struct handle;
 432 typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
 433 typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
 434 struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
 435                                 void *privdata, int flags);
 436 struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
 437                                  void *privdata, int flags);
 438 int handle_write(struct handle *h, const void *data, int len);
 439 HANDLE *handle_get_events(int *nevents);
 440 void handle_free(struct handle *h);
 441 void handle_got_event(HANDLE event);
 442 void handle_unthrottle(struct handle *h, int backlog);
 443 int handle_backlog(struct handle *h);
 444 void *handle_get_privdata(struct handle *h);
 445
 446 /*
 447  * pageantc.c needs to schedule callbacks for asynchronous agent
 448  * requests. This has to be done differently in GUI and console, so
 449  * there's an exported function used for the purpose.
 450  *
 451  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 452  * synchronous in pscp and psftp.
 453  */
 454 void agent_schedule_callback(void (*callback)(void *, void *, int),
 455                              void *callback_ctx, void *data, int len);
 456 #define FLAG_SYNCAGENT 0x1000
 457
 458 /*
 459  * Exports from winser.c.
 460  */
 461 extern Backend serial_backend;
 462
 463 #endif