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