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