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 #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  * Dynamically linked functions.
  78  * This is somewhat circuitous to allow function-renaming macros to be
  79  * expanded, principally the ANSI/Unicode DoSomethingA/DoSomethingW.
  80  */
  81 #define DECL_WINDOWS_FUNCTION(linkage, rettype, name, params) \
  82     typedef rettype (WINAPI *t_##name) params; \
  83     linkage t_##name p_##name
  84 #define STR1(x) #x
  85 #define STR(x) STR1(x)
  86 #define GET_WINDOWS_FUNCTION(module, name) \
  87     p_##name = module ? (t_##name) GetProcAddress(module, STR(name)) : NULL
  88
  89 /*
  90  * Global variables. Most modules declare these `extern', but
  91  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  92  * module, and so will get them properly defined.
  93 */
  94 #ifndef GLOBAL
  95 #ifdef PUTTY_DO_GLOBALS
  96 #define GLOBAL
  97 #else
  98 #define GLOBAL extern
  99 #endif
 100 #endif
 101
 102 #ifndef DONE_TYPEDEFS
 103 #define DONE_TYPEDEFS
 104 typedef struct config_tag Config;
 105 typedef struct backend_tag Backend;
 106 typedef struct terminal_tag Terminal;
 107 #endif
 108
 109 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
 110 #define PUTTY_REG_PARENT "Software\\SimonTatham"
 111 #define PUTTY_REG_PARENT_CHILD "PuTTY"
 112 #define PUTTY_REG_GPARENT "Software"
 113 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
 114
 115 #define PUTTY_HELP_FILE "putty.hlp"
 116 #define PUTTY_CHM_FILE "putty.chm"
 117 #define PUTTY_HELP_CONTENTS "putty.cnt"
 118
 119 #define GETTICKCOUNT GetTickCount
 120 #define CURSORBLINK GetCaretBlinkTime()
 121 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
 122
 123 #define DEFAULT_CODEPAGE CP_ACP
 124
 125 typedef HDC Context;
 126
 127 #ifndef NO_GSSAPI
 128 /*
 129  * GSS-API stuff
 130  */
 131 typedef struct Ssh_gss_buf {
 132     int length;
 133     char *value;
 134 } Ssh_gss_buf;
 135
 136 #define SSH_GSS_EMPTY_BUF (Ssh_gss_buf) {0,NULL}
 137 typedef void *Ssh_gss_name;
 138 #endif
 139
 140 /*
 141  * Window handles for the windows that can be running during a
 142  * PuTTY session.
 143  */
 144 GLOBAL HWND hwnd;       /* the main terminal window */
 145 GLOBAL HWND logbox;
 146
 147 /*
 148  * The all-important instance handle.
 149  */
 150 GLOBAL HINSTANCE hinst;
 151
 152 /*
 153  * Help file stuff in winhelp.c.
 154  */
 155 void init_help(void);
 156 void shutdown_help(void);
 157 int has_help(void);
 158 void launch_help(HWND hwnd, const char *topic);
 159 void quit_help(HWND hwnd);
 160
 161 /*
 162  * The terminal and logging context are notionally local to the
 163  * Windows front end, but they must be shared between window.c and
 164  * windlg.c. Likewise the saved-sessions list.
 165  */
 166 GLOBAL Terminal *term;
 167 GLOBAL void *logctx;
 168
 169 #define WM_NETEVENT  (WM_APP + 5)
 170
 171 /*
 172  * On Windows, we send MA_2CLK as the only event marking the second
 173  * press of a mouse button. Compare unix.h.
 174  */
 175 #define MULTICLICK_ONLY_EVENT 1
 176
 177 /*
 178  * On Windows, data written to the clipboard must be NUL-terminated.
 179  */
 180 #define SELECTION_NUL_TERMINATED 1
 181
 182 /*
 183  * On Windows, copying to the clipboard terminates lines with CRLF.
 184  */
 185 #define SEL_NL { 13, 10 }
 186
 187 /*
 188  * sk_getxdmdata() does not exist under Windows (not that I
 189  * couldn't write it if I wanted to, but I haven't bothered), so
 190  * it's a macro which always returns NULL. With any luck this will
 191  * cause the compiler to notice it can optimise away the
 192  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 193  */
 194 #define sk_getxdmdata(socket, lenp) (NULL)
 195
 196 /*
 197  * File-selector filter strings used in the config box. On Windows,
 198  * these strings are of exactly the type needed to go in
 199  * `lpstrFilter' in an OPENFILENAME structure.
 200  */
 201 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 202                               "All Files (*.*)\0*\0\0\0")
 203 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 204                                "All Files (*.*)\0*\0\0\0")
 205
 206 /*
 207  * On some versions of Windows, it has been known for WM_TIMER to
 208  * occasionally get its callback time simply wrong, and call us
 209  * back several minutes early. Defining these symbols enables
 210  * compensation code in timing.c.
 211  */
 212 #define TIMING_SYNC
 213 #define TIMING_SYNC_TICKCOUNT
 214
 215 /*
 216  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 217  * what it can get, which means any WinSock routines used outside
 218  * that module must be exported from it as function pointers. So
 219  * here they are.
 220  */
 221 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAAsyncSelect,
 222                       (SOCKET, HWND, u_int, long));
 223 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEventSelect,
 224                       (SOCKET, WSAEVENT, long));
 225 DECL_WINDOWS_FUNCTION(GLOBAL, int, select,
 226                       (int, fd_set FAR *, fd_set FAR *,
 227                        fd_set FAR *, const struct timeval FAR *));
 228 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAGetLastError, (void));
 229 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEnumNetworkEvents,
 230                       (SOCKET, WSAEVENT, LPWSANETWORKEVENTS));
 231
 232 extern int socket_writable(SOCKET skt);
 233
 234 extern void socket_reselect_all(void);
 235
 236 /*
 237  * Exports from winctrls.c.
 238  */
 239
 240 struct ctlpos {
 241     HWND hwnd;
 242     WPARAM font;
 243     int dlu4inpix;
 244     int ypos, width;
 245     int xoff;
 246     int boxystart, boxid;
 247     char *boxtext;
 248 };
 249
 250 /*
 251  * Exports from winutils.c.
 252  */
 253 typedef struct filereq_tag filereq; /* cwd for file requester */
 254 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 255 filereq *filereq_new(void);
 256 void filereq_free(filereq *state);
 257 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 258 void split_into_argv(char *, int *, char ***, char ***);
 259
 260 /*
 261  * Private structure for prefslist state. Only in the header file
 262  * so that we can delegate allocation to callers.
 263  */
 264 struct prefslist {
 265     int listid, upbid, dnbid;
 266     int srcitem;
 267     int dummyitem;
 268     int dragging;
 269 };
 270
 271 /*
 272  * This structure is passed to event handler functions as the `dlg'
 273  * parameter, and hence is passed back to winctrls access functions.
 274  */
 275 struct dlgparam {
 276     HWND hwnd;                         /* the hwnd of the dialog box */
 277     struct winctrls *controltrees[8];  /* can have several of these */
 278     int nctrltrees;
 279     char *wintitle;                    /* title of actual window */
 280     char *errtitle;                    /* title of error sub-messageboxes */
 281     void *data;                        /* data to pass in refresh events */
 282     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 283     char shortcuts[128];               /* track which shortcuts in use */
 284     int coloursel_wanted;              /* has an event handler asked for
 285                                         * a colour selector? */
 286     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 287     tree234 *privdata;                 /* stores per-control private data */
 288     int ended, endresult;              /* has the dialog been ended? */
 289 };
 290
 291 /*
 292  * Exports from winctrls.c.
 293  */
 294 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 295                 int leftborder, int rightborder, int topborder);
 296 HWND doctl(struct ctlpos *cp, RECT r,
 297            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 298 void bartitle(struct ctlpos *cp, char *name, int id);
 299 void beginbox(struct ctlpos *cp, char *name, int idbox);
 300 void endbox(struct ctlpos *cp);
 301 void editboxfw(struct ctlpos *cp, int password, char *text,
 302                int staticid, int editid);
 303 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 304 void bareradioline(struct ctlpos *cp, int nacross, ...);
 305 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 306 void checkbox(struct ctlpos *cp, char *text, int id);
 307 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 308 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 309                char *btext, int bid);
 310 void static2btn(struct ctlpos *cp, char *stext, int sid,
 311                 char *btext1, int bid1, char *btext2, int bid2);
 312 void staticedit(struct ctlpos *cp, char *stext,
 313                 int sid, int eid, int percentedit);
 314 void staticddl(struct ctlpos *cp, char *stext,
 315                int sid, int lid, int percentlist);
 316 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 317 void staticpassedit(struct ctlpos *cp, char *stext,
 318                     int sid, int eid, int percentedit);
 319 void bigeditctrl(struct ctlpos *cp, char *stext,
 320                  int sid, int eid, int lines);
 321 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 322 void editbutton(struct ctlpos *cp, char *stext, int sid,
 323                 int eid, char *btext, int bid);
 324 void sesssaver(struct ctlpos *cp, char *text,
 325                int staticid, int editid, int listid, ...);
 326 void envsetter(struct ctlpos *cp, char *stext, int sid,
 327                char *e1stext, int e1sid, int e1id,
 328                char *e2stext, int e2sid, int e2id,
 329                int listid, char *b1text, int b1id, char *b2text, int b2id);
 330 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 331                char *btext, int bid, int eid, char *s2text, int s2id);
 332 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 333                 char *btext, int bid, ...);
 334 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 335                char *stext, int sid, int listid, int upbid, int dnbid);
 336 int handle_prefslist(struct prefslist *hdl,
 337                      int *array, int maxmemb,
 338                      int is_dlmsg, HWND hwnd,
 339                      WPARAM wParam, LPARAM lParam);
 340 void progressbar(struct ctlpos *cp, int id);
 341 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 342                char *e1stext, int e1sid, int e1id,
 343                char *e2stext, int e2sid, int e2id,
 344                char *btext, int bid,
 345                char *r1text, int r1id, char *r2text, int r2id);
 346
 347 #define MAX_SHORTCUTS_PER_CTRL 16
 348
 349 /*
 350  * This structure is what's stored for each `union control' in the
 351  * portable-dialog interface.
 352  */
 353 struct winctrl {
 354     union control *ctrl;
 355     /*
 356      * The control may have several components at the Windows
 357      * level, with different dialog IDs. To avoid needing N
 358      * separate platformsidectrl structures (which could be stored
 359      * separately in a tree234 so that lookup by ID worked), we
 360      * impose the constraint that those IDs must be in a contiguous
 361      * block.
 362      */
 363     int base_id;
 364     int num_ids;
 365     /*
 366      * Remember what keyboard shortcuts were used by this control,
 367      * so that when we remove it again we can take them out of the
 368      * list in the dlgparam.
 369      */
 370     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 371     /*
 372      * Some controls need a piece of allocated memory in which to
 373      * store temporary data about the control.
 374      */
 375     void *data;
 376 };
 377 /*
 378  * And this structure holds a set of the above, in two separate
 379  * tree234s so that it can find an item by `union control' or by
 380  * dialog ID.
 381  */
 382 struct winctrls {
 383     tree234 *byctrl, *byid;
 384 };
 385 struct controlset;
 386 struct controlbox;
 387
 388 void winctrl_init(struct winctrls *);
 389 void winctrl_cleanup(struct winctrls *);
 390 void winctrl_add(struct winctrls *, struct winctrl *);
 391 void winctrl_remove(struct winctrls *, struct winctrl *);
 392 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 393 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 394 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 395 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 396                     struct ctlpos *cp, struct controlset *s, int *id);
 397 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 398                            WPARAM wParam, LPARAM lParam);
 399 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 400 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 401
 402 void dp_init(struct dlgparam *dp);
 403 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 404 void dp_cleanup(struct dlgparam *dp);
 405
 406 /*
 407  * Exports from wincfg.c.
 408  */
 409 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 410                           int midsession, int protocol);
 411
 412 /*
 413  * Exports from windlg.c.
 414  */
 415 void defuse_showwindow(void);
 416 int do_config(void);
 417 int do_reconfig(HWND, int);
 418 void showeventlog(HWND);
 419 void showabout(HWND);
 420 void force_normal(HWND hwnd);
 421 void modal_about_box(HWND hwnd);
 422 void show_help(HWND hwnd);
 423
 424 /*
 425  * Exports from winmisc.c.
 426  */
 427 extern OSVERSIONINFO osVersion;
 428 BOOL init_winver(void);
 429
 430 /*
 431  * Exports from sizetip.c.
 432  */
 433 void UpdateSizeTip(HWND src, int cx, int cy);
 434 void EnableSizeTip(int bEnable);
 435
 436 /*
 437  * Exports from unicode.c.
 438  */
 439 struct unicode_data;
 440 void init_ucs(Config *, struct unicode_data *);
 441
 442 /*
 443  * Exports from winhandl.c.
 444  */
 445 #define HANDLE_FLAG_OVERLAPPED 1
 446 #define HANDLE_FLAG_IGNOREEOF 2
 447 #define HANDLE_FLAG_UNITBUFFER 4
 448 struct handle;
 449 typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
 450 typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
 451 struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
 452                                 void *privdata, int flags);
 453 struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
 454                                  void *privdata, int flags);
 455 int handle_write(struct handle *h, const void *data, int len);
 456 HANDLE *handle_get_events(int *nevents);
 457 void handle_free(struct handle *h);
 458 void handle_got_event(HANDLE event);
 459 void handle_unthrottle(struct handle *h, int backlog);
 460 int handle_backlog(struct handle *h);
 461 void *handle_get_privdata(struct handle *h);
 462
 463 /*
 464  * pageantc.c needs to schedule callbacks for asynchronous agent
 465  * requests. This has to be done differently in GUI and console, so
 466  * there's an exported function used for the purpose.
 467  *
 468  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 469  * synchronous in pscp and psftp.
 470  */
 471 void agent_schedule_callback(void (*callback)(void *, void *, int),
 472                              void *callback_ctx, void *data, int len);
 473 #define FLAG_SYNCAGENT 0x1000
 474
 475 /*
 476  * Exports from winser.c.
 477  */
 478 extern Backend serial_backend;
 479
 480 #endif