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