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, 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 #define PLATFORM_IS_UTF16 /* enable UTF-16 processing when exchanging
  40                            * wchar_t strings with environment */
  41
  42 /*
  43  * Where we can, we use GetWindowLongPtr and friends because they're
  44  * more useful on 64-bit platforms, but they're a relatively recent
  45  * innovation, missing from VC++ 6 and older MinGW.  Degrade nicely.
  46  * (NB that on some systems, some of these things are available but
  47  * not others...)
  48  */
  49
  50 #ifndef GCLP_HCURSOR
  51 /* GetClassLongPtr and friends */
  52 #undef  GetClassLongPtr
  53 #define GetClassLongPtr GetClassLong
  54 #undef  SetClassLongPtr
  55 #define SetClassLongPtr SetClassLong
  56 #define GCLP_HCURSOR GCL_HCURSOR
  57 /* GetWindowLongPtr and friends */
  58 #undef  GetWindowLongPtr
  59 #define GetWindowLongPtr GetWindowLong
  60 #undef  SetWindowLongPtr
  61 #define SetWindowLongPtr SetWindowLong
  62 #undef  GWLP_USERDATA
  63 #define GWLP_USERDATA GWL_USERDATA
  64 #undef  DWLP_MSGRESULT
  65 #define DWLP_MSGRESULT DWL_MSGRESULT
  66 /* Since we've clobbered the above functions, we should clobber the
  67  * associated type regardless of whether it's defined. */
  68 #undef LONG_PTR
  69 #define LONG_PTR LONG
  70 #endif
  71
  72 #define BOXFLAGS DLGWINDOWEXTRA
  73 #define BOXRESULT (DLGWINDOWEXTRA + sizeof(LONG_PTR))
  74 #define DF_END 0x0001
  75
  76 /*
  77  * Global variables. Most modules declare these `extern', but
  78  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  79  * module, and so will get them properly defined.
  80 */
  81 #ifndef GLOBAL
  82 #ifdef PUTTY_DO_GLOBALS
  83 #define GLOBAL
  84 #else
  85 #define GLOBAL extern
  86 #endif
  87 #endif
  88
  89 #ifndef DONE_TYPEDEFS
  90 #define DONE_TYPEDEFS
  91 typedef struct config_tag Config;
  92 typedef struct backend_tag Backend;
  93 typedef struct terminal_tag Terminal;
  94 #endif
  95
  96 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
  97 #define PUTTY_REG_PARENT "Software\\SimonTatham"
  98 #define PUTTY_REG_PARENT_CHILD "PuTTY"
  99 #define PUTTY_REG_GPARENT "Software"
 100 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
 101
 102 #define PUTTY_HELP_FILE "putty.hlp"
 103 #define PUTTY_CHM_FILE "putty.chm"
 104 #define PUTTY_HELP_CONTENTS "putty.cnt"
 105
 106 #define GETTICKCOUNT GetTickCount
 107 #define CURSORBLINK GetCaretBlinkTime()
 108 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
 109
 110 #define DEFAULT_CODEPAGE CP_ACP
 111
 112 typedef HDC Context;
 113
 114 #ifndef NO_GSSAPI
 115 /*
 116  * GSS-API stuff
 117  */
 118 typedef struct Ssh_gss_buf {
 119     int length;
 120     char *value;
 121 } Ssh_gss_buf;
 122
 123 #define SSH_GSS_EMPTY_BUF (Ssh_gss_buf) {0,NULL}
 124 typedef void *Ssh_gss_name;
 125 #endif
 126
 127 /*
 128  * Window handles for the windows that can be running during a
 129  * PuTTY session.
 130  */
 131 GLOBAL HWND hwnd;       /* the main terminal window */
 132 GLOBAL HWND logbox;
 133
 134 /*
 135  * The all-important instance handle.
 136  */
 137 GLOBAL HINSTANCE hinst;
 138
 139 /*
 140  * Help file stuff in winhelp.c.
 141  */
 142 void init_help(void);
 143 void shutdown_help(void);
 144 int has_help(void);
 145 void launch_help(HWND hwnd, const char *topic);
 146 void quit_help(HWND hwnd);
 147
 148 /*
 149  * The terminal and logging context are notionally local to the
 150  * Windows front end, but they must be shared between window.c and
 151  * windlg.c. Likewise the saved-sessions list.
 152  */
 153 GLOBAL Terminal *term;
 154 GLOBAL void *logctx;
 155
 156 #define WM_NETEVENT  (WM_APP + 5)
 157
 158 /*
 159  * On Windows, we send MA_2CLK as the only event marking the second
 160  * press of a mouse button. Compare unix.h.
 161  */
 162 #define MULTICLICK_ONLY_EVENT 1
 163
 164 /*
 165  * On Windows, data written to the clipboard must be NUL-terminated.
 166  */
 167 #define SELECTION_NUL_TERMINATED 1
 168
 169 /*
 170  * On Windows, copying to the clipboard terminates lines with CRLF.
 171  */
 172 #define SEL_NL { 13, 10 }
 173
 174 /*
 175  * sk_getxdmdata() does not exist under Windows (not that I
 176  * couldn't write it if I wanted to, but I haven't bothered), so
 177  * it's a macro which always returns NULL. With any luck this will
 178  * cause the compiler to notice it can optimise away the
 179  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 180  */
 181 #define sk_getxdmdata(socket, lenp) (NULL)
 182
 183 /*
 184  * File-selector filter strings used in the config box. On Windows,
 185  * these strings are of exactly the type needed to go in
 186  * `lpstrFilter' in an OPENFILENAME structure.
 187  */
 188 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 189                               "All Files (*.*)\0*\0\0\0")
 190 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 191                                "All Files (*.*)\0*\0\0\0")
 192
 193 /*
 194  * On some versions of Windows, it has been known for WM_TIMER to
 195  * occasionally get its callback time simply wrong, and call us
 196  * back several minutes early. Defining these symbols enables
 197  * compensation code in timing.c.
 198  */
 199 #define TIMING_SYNC
 200 #define TIMING_SYNC_TICKCOUNT
 201
 202 /*
 203  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 204  * what it can get, which means any WinSock routines used outside
 205  * that module must be exported from it as function pointers. So
 206  * here they are.
 207  */
 208 extern int (WINAPI *p_WSAAsyncSelect)
 209     (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
 210 extern int (WINAPI *p_WSAEventSelect)
 211     (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
 212 extern int (WINAPI *p_select)
 213     (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
 214      fd_set FAR *exceptfds, const struct timeval FAR * timeout);
 215 extern int (WINAPI *p_WSAGetLastError)(void);
 216 extern int (WINAPI *p_WSAEnumNetworkEvents)
 217     (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);
 218
 219 extern int socket_writable(SOCKET skt);
 220
 221 extern void socket_reselect_all(void);
 222
 223 /*
 224  * Exports from winctrls.c.
 225  */
 226
 227 struct ctlpos {
 228     HWND hwnd;
 229     WPARAM font;
 230     int dlu4inpix;
 231     int ypos, width;
 232     int xoff;
 233     int boxystart, boxid;
 234     char *boxtext;
 235 };
 236
 237 /*
 238  * Exports from winutils.c.
 239  */
 240 typedef struct filereq_tag filereq; /* cwd for file requester */
 241 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 242 filereq *filereq_new(void);
 243 void filereq_free(filereq *state);
 244 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 245 void split_into_argv(char *, int *, char ***, char ***);
 246
 247 /*
 248  * Private structure for prefslist state. Only in the header file
 249  * so that we can delegate allocation to callers.
 250  */
 251 struct prefslist {
 252     int listid, upbid, dnbid;
 253     int srcitem;
 254     int dummyitem;
 255     int dragging;
 256 };
 257
 258 /*
 259  * This structure is passed to event handler functions as the `dlg'
 260  * parameter, and hence is passed back to winctrls access functions.
 261  */
 262 struct dlgparam {
 263     HWND hwnd;                         /* the hwnd of the dialog box */
 264     struct winctrls *controltrees[8];  /* can have several of these */
 265     int nctrltrees;
 266     char *wintitle;                    /* title of actual window */
 267     char *errtitle;                    /* title of error sub-messageboxes */
 268     void *data;                        /* data to pass in refresh events */
 269     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 270     char shortcuts[128];               /* track which shortcuts in use */
 271     int coloursel_wanted;              /* has an event handler asked for
 272                                         * a colour selector? */
 273     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 274     tree234 *privdata;                 /* stores per-control private data */
 275     int ended, endresult;              /* has the dialog been ended? */
 276 };
 277
 278 /*
 279  * Exports from winctrls.c.
 280  */
 281 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 282                 int leftborder, int rightborder, int topborder);
 283 HWND doctl(struct ctlpos *cp, RECT r,
 284            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 285 void bartitle(struct ctlpos *cp, char *name, int id);
 286 void beginbox(struct ctlpos *cp, char *name, int idbox);
 287 void endbox(struct ctlpos *cp);
 288 void editboxfw(struct ctlpos *cp, int password, char *text,
 289                int staticid, int editid);
 290 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 291 void bareradioline(struct ctlpos *cp, int nacross, ...);
 292 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 293 void checkbox(struct ctlpos *cp, char *text, int id);
 294 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 295 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 296                char *btext, int bid);
 297 void static2btn(struct ctlpos *cp, char *stext, int sid,
 298                 char *btext1, int bid1, char *btext2, int bid2);
 299 void staticedit(struct ctlpos *cp, char *stext,
 300                 int sid, int eid, int percentedit);
 301 void staticddl(struct ctlpos *cp, char *stext,
 302                int sid, int lid, int percentlist);
 303 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 304 void staticpassedit(struct ctlpos *cp, char *stext,
 305                     int sid, int eid, int percentedit);
 306 void bigeditctrl(struct ctlpos *cp, char *stext,
 307                  int sid, int eid, int lines);
 308 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 309 void editbutton(struct ctlpos *cp, char *stext, int sid,
 310                 int eid, char *btext, int bid);
 311 void sesssaver(struct ctlpos *cp, char *text,
 312                int staticid, int editid, int listid, ...);
 313 void envsetter(struct ctlpos *cp, char *stext, int sid,
 314                char *e1stext, int e1sid, int e1id,
 315                char *e2stext, int e2sid, int e2id,
 316                int listid, char *b1text, int b1id, char *b2text, int b2id);
 317 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 318                char *btext, int bid, int eid, char *s2text, int s2id);
 319 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 320                 char *btext, int bid, ...);
 321 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 322                char *stext, int sid, int listid, int upbid, int dnbid);
 323 int handle_prefslist(struct prefslist *hdl,
 324                      int *array, int maxmemb,
 325                      int is_dlmsg, HWND hwnd,
 326                      WPARAM wParam, LPARAM lParam);
 327 void progressbar(struct ctlpos *cp, int id);
 328 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 329                char *e1stext, int e1sid, int e1id,
 330                char *e2stext, int e2sid, int e2id,
 331                char *btext, int bid,
 332                char *r1text, int r1id, char *r2text, int r2id);
 333
 334 #define MAX_SHORTCUTS_PER_CTRL 16
 335
 336 /*
 337  * This structure is what's stored for each `union control' in the
 338  * portable-dialog interface.
 339  */
 340 struct winctrl {
 341     union control *ctrl;
 342     /*
 343      * The control may have several components at the Windows
 344      * level, with different dialog IDs. To avoid needing N
 345      * separate platformsidectrl structures (which could be stored
 346      * separately in a tree234 so that lookup by ID worked), we
 347      * impose the constraint that those IDs must be in a contiguous
 348      * block.
 349      */
 350     int base_id;
 351     int num_ids;
 352     /*
 353      * Remember what keyboard shortcuts were used by this control,
 354      * so that when we remove it again we can take them out of the
 355      * list in the dlgparam.
 356      */
 357     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 358     /*
 359      * Some controls need a piece of allocated memory in which to
 360      * store temporary data about the control.
 361      */
 362     void *data;
 363 };
 364 /*
 365  * And this structure holds a set of the above, in two separate
 366  * tree234s so that it can find an item by `union control' or by
 367  * dialog ID.
 368  */
 369 struct winctrls {
 370     tree234 *byctrl, *byid;
 371 };
 372 struct controlset;
 373 struct controlbox;
 374
 375 void winctrl_init(struct winctrls *);
 376 void winctrl_cleanup(struct winctrls *);
 377 void winctrl_add(struct winctrls *, struct winctrl *);
 378 void winctrl_remove(struct winctrls *, struct winctrl *);
 379 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 380 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 381 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 382 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 383                     struct ctlpos *cp, struct controlset *s, int *id);
 384 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 385                            WPARAM wParam, LPARAM lParam);
 386 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 387 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 388
 389 void dp_init(struct dlgparam *dp);
 390 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 391 void dp_cleanup(struct dlgparam *dp);
 392
 393 /*
 394  * Exports from wincfg.c.
 395  */
 396 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 397                           int midsession, int protocol);
 398
 399 /*
 400  * Exports from windlg.c.
 401  */
 402 void defuse_showwindow(void);
 403 int do_config(void);
 404 int do_reconfig(HWND, int);
 405 void showeventlog(HWND);
 406 void showabout(HWND);
 407 void force_normal(HWND hwnd);
 408 void modal_about_box(HWND hwnd);
 409 void show_help(HWND hwnd);
 410
 411 /*
 412  * Exports from winmisc.c.
 413  */
 414 extern OSVERSIONINFO osVersion;
 415 BOOL init_winver(void);
 416
 417 /*
 418  * Exports from sizetip.c.
 419  */
 420 void UpdateSizeTip(HWND src, int cx, int cy);
 421 void EnableSizeTip(int bEnable);
 422
 423 /*
 424  * Exports from unicode.c.
 425  */
 426 struct unicode_data;
 427 void init_ucs(Config *, struct unicode_data *);
 428
 429 /*
 430  * Exports from winhandl.c.
 431  */
 432 #define HANDLE_FLAG_OVERLAPPED 1
 433 #define HANDLE_FLAG_IGNOREEOF 2
 434 #define HANDLE_FLAG_UNITBUFFER 4
 435 struct handle;
 436 typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
 437 typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
 438 struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
 439                                 void *privdata, int flags);
 440 struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
 441                                  void *privdata, int flags);
 442 int handle_write(struct handle *h, const void *data, int len);
 443 HANDLE *handle_get_events(int *nevents);
 444 void handle_free(struct handle *h);
 445 void handle_got_event(HANDLE event);
 446 void handle_unthrottle(struct handle *h, int backlog);
 447 int handle_backlog(struct handle *h);
 448 void *handle_get_privdata(struct handle *h);
 449
 450 /*
 451  * pageantc.c needs to schedule callbacks for asynchronous agent
 452  * requests. This has to be done differently in GUI and console, so
 453  * there's an exported function used for the purpose.
 454  *
 455  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 456  * synchronous in pscp and psftp.
 457  */
 458 void agent_schedule_callback(void (*callback)(void *, void *, int),
 459                              void *callback_ctx, void *data, int len);
 460 #define FLAG_SYNCAGENT 0x1000
 461
 462 /*
 463  * Exports from winser.c.
 464  */
 465 extern Backend serial_backend;
 466
 467 #endif