git.distorted.org.uk Git - u/mdw/putty/blob - 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 #define BOXFLAGS DLGWINDOWEXTRA
  31 #define BOXRESULT DLGWINDOWEXTRA + 4
  32 #define DF_END 0x0001
  33
  34 /*
  35  * Global variables. Most modules declare these `extern', but
  36  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  37  * module, and so will get them properly defined.
  38 */
  39 #ifndef GLOBAL
  40 #ifdef PUTTY_DO_GLOBALS
  41 #define GLOBAL
  42 #else
  43 #define GLOBAL extern
  44 #endif
  45 #endif
  46
  47 #ifndef DONE_TYPEDEFS
  48 #define DONE_TYPEDEFS
  49 typedef struct config_tag Config;
  50 typedef struct backend_tag Backend;
  51 typedef struct terminal_tag Terminal;
  52 #endif
  53
  54 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
  55 #define PUTTY_REG_PARENT "Software\\SimonTatham"
  56 #define PUTTY_REG_PARENT_CHILD "PuTTY"
  57 #define PUTTY_REG_GPARENT "Software"
  58 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
  59
  60 #define GETTICKCOUNT GetTickCount
  61 #define CURSORBLINK GetCaretBlinkTime()
  62 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
  63
  64 #define DEFAULT_CODEPAGE CP_ACP
  65
  66 typedef HDC Context;
  67
  68 /*
  69  * Window handles for the dialog boxes that can be running during a
  70  * PuTTY session.
  71  */
  72 GLOBAL HWND logbox;
  73
  74 /*
  75  * The all-important instance handle.
  76  */
  77 GLOBAL HINSTANCE hinst;
  78
  79 /*
  80  * Details of the help file.
  81  */
  82 GLOBAL char *help_path;
  83 GLOBAL int help_has_contents;
  84
  85 /*
  86  * The terminal and logging context are notionally local to the
  87  * Windows front end, but they must be shared between window.c and
  88  * windlg.c. Likewise the saved-sessions list.
  89  */
  90 GLOBAL Terminal *term;
  91 GLOBAL void *logctx;
  92
  93 /*
  94  * I've just looked in the windows standard headr files for WM_USER, there
  95  * are hundreds of flags defined using the form WM_USER+123 so I've
  96  * renumbered this NETEVENT value and the two in window.c
  97  */
  98 #define WM_XUSER     (WM_USER + 0x2000)
  99 #define WM_NETEVENT  (WM_XUSER + 5)
 100
 101 /*
 102  * On Windows, we send MA_2CLK as the only event marking the second
 103  * press of a mouse button. Compare unix.h.
 104  */
 105 #define MULTICLICK_ONLY_EVENT 1
 106
 107 /*
 108  * On Windows, data written to the clipboard must be NUL-terminated.
 109  */
 110 #define SELECTION_NUL_TERMINATED 1
 111
 112 /*
 113  * On Windows, copying to the clipboard terminates lines with CRLF.
 114  */
 115 #define SEL_NL { 13, 10 }
 116
 117 /*
 118  * sk_getxdmdata() does not exist under Windows (not that I
 119  * couldn't write it if I wanted to, but I haven't bothered), so
 120  * it's a macro which always returns FALSE. With any luck this will
 121  * cause the compiler to notice it can optimise away the
 122  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 123  */
 124 #define sk_getxdmdata(socket, ip, port) (0)
 125
 126 /*
 127  * File-selector filter strings used in the config box. On Windows,
 128  * these strings are of exactly the type needed to go in
 129  * `lpstrFilter' in an OPENFILENAME structure.
 130  */
 131 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 132                               "All Files (*.*)\0*\0\0\0")
 133 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 134                                "All Files (*.*)\0*\0\0\0")
 135
 136 /*
 137  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 138  * what it can get, which means any WinSock routines used outside
 139  * that module must be exported from it as function pointers. So
 140  * here they are.
 141  */
 142 extern int (WINAPI *p_WSAAsyncSelect)
 143     (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
 144 extern int (WINAPI *p_WSAEventSelect)
 145     (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
 146 extern int (WINAPI *p_select)
 147     (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
 148      fd_set FAR *exceptfds, const struct timeval FAR * timeout);
 149 extern int (WINAPI *p_WSAGetLastError)(void);
 150 extern int (WINAPI *p_WSAEnumNetworkEvents)
 151     (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);
 152
 153 /*
 154  * Exports from winctrls.c.
 155  */
 156
 157 struct ctlpos {
 158     HWND hwnd;
 159     WPARAM font;
 160     int dlu4inpix;
 161     int ypos, width;
 162     int xoff;
 163     int boxystart, boxid;
 164     char *boxtext;
 165 };
 166
 167 /*
 168  * Exports from winutils.c.
 169  */
 170 void split_into_argv(char *, int *, char ***, char ***);
 171
 172 /*
 173  * Private structure for prefslist state. Only in the header file
 174  * so that we can delegate allocation to callers.
 175  */
 176 struct prefslist {
 177     int listid, upbid, dnbid;
 178     int srcitem;
 179     int dummyitem;
 180     int dragging;
 181 };
 182
 183 /*
 184  * This structure is passed to event handler functions as the `dlg'
 185  * parameter, and hence is passed back to winctrls access functions.
 186  */
 187 struct dlgparam {
 188     HWND hwnd;                         /* the hwnd of the dialog box */
 189     struct winctrls *controltrees[8];  /* can have several of these */
 190     int nctrltrees;
 191     char *wintitle;                    /* title of actual window */
 192     char *errtitle;                    /* title of error sub-messageboxes */
 193     void *data;                        /* data to pass in refresh events */
 194     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 195     char shortcuts[128];               /* track which shortcuts in use */
 196     int coloursel_wanted;              /* has an event handler asked for
 197                                         * a colour selector? */
 198     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 199     tree234 *privdata;                 /* stores per-control private data */
 200     int ended, endresult;              /* has the dialog been ended? */
 201 };
 202
 203 /*
 204  * Exports from winctrls.c.
 205  */
 206 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 207                 int leftborder, int rightborder, int topborder);
 208 HWND doctl(struct ctlpos *cp, RECT r,
 209            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 210 void bartitle(struct ctlpos *cp, char *name, int id);
 211 void beginbox(struct ctlpos *cp, char *name, int idbox);
 212 void endbox(struct ctlpos *cp);
 213 void multiedit(struct ctlpos *cp, int password, ...);
 214 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 215 void bareradioline(struct ctlpos *cp, int nacross, ...);
 216 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 217 void checkbox(struct ctlpos *cp, char *text, int id);
 218 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 219 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 220                char *btext, int bid);
 221 void static2btn(struct ctlpos *cp, char *stext, int sid,
 222                 char *btext1, int bid1, char *btext2, int bid2);
 223 void staticedit(struct ctlpos *cp, char *stext,
 224                 int sid, int eid, int percentedit);
 225 void staticddl(struct ctlpos *cp, char *stext,
 226                int sid, int lid, int percentlist);
 227 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 228 void staticpassedit(struct ctlpos *cp, char *stext,
 229                     int sid, int eid, int percentedit);
 230 void bigeditctrl(struct ctlpos *cp, char *stext,
 231                  int sid, int eid, int lines);
 232 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 233 void editbutton(struct ctlpos *cp, char *stext, int sid,
 234                 int eid, char *btext, int bid);
 235 void sesssaver(struct ctlpos *cp, char *text,
 236                int staticid, int editid, int listid, ...);
 237 void envsetter(struct ctlpos *cp, char *stext, int sid,
 238                char *e1stext, int e1sid, int e1id,
 239                char *e2stext, int e2sid, int e2id,
 240                int listid, char *b1text, int b1id, char *b2text, int b2id);
 241 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 242                char *btext, int bid, int eid, char *s2text, int s2id);
 243 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 244                 char *btext, int bid, ...);
 245 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 246                char *stext, int sid, int listid, int upbid, int dnbid);
 247 int handle_prefslist(struct prefslist *hdl,
 248                      int *array, int maxmemb,
 249                      int is_dlmsg, HWND hwnd,
 250                      WPARAM wParam, LPARAM lParam);
 251 void progressbar(struct ctlpos *cp, int id);
 252 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 253                char *e1stext, int e1sid, int e1id,
 254                char *e2stext, int e2sid, int e2id,
 255                char *btext, int bid,
 256                char *r1text, int r1id, char *r2text, int r2id);
 257
 258 #define MAX_SHORTCUTS_PER_CTRL 16
 259
 260 /*
 261  * This structure is what's stored for each `union control' in the
 262  * portable-dialog interface.
 263  */
 264 struct winctrl {
 265     union control *ctrl;
 266     /*
 267      * The control may have several components at the Windows
 268      * level, with different dialog IDs. To avoid needing N
 269      * separate platformsidectrl structures (which could be stored
 270      * separately in a tree234 so that lookup by ID worked), we
 271      * impose the constraint that those IDs must be in a contiguous
 272      * block.
 273      */
 274     int base_id;
 275     int num_ids;
 276     /*
 277      * Remember what keyboard shortcuts were used by this control,
 278      * so that when we remove it again we can take them out of the
 279      * list in the dlgparam.
 280      */
 281     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 282     /*
 283      * Some controls need a piece of allocated memory in which to
 284      * store temporary data about the control.
 285      */
 286     void *data;
 287 };
 288 /*
 289  * And this structure holds a set of the above, in two separate
 290  * tree234s so that it can find an item by `union control' or by
 291  * dialog ID.
 292  */
 293 struct winctrls {
 294     tree234 *byctrl, *byid;
 295 };
 296 struct controlset;
 297 struct controlbox;
 298
 299 void winctrl_init(struct winctrls *);
 300 void winctrl_cleanup(struct winctrls *);
 301 void winctrl_add(struct winctrls *, struct winctrl *);
 302 void winctrl_remove(struct winctrls *, struct winctrl *);
 303 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 304 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 305 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 306 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 307                     struct ctlpos *cp, struct controlset *s, int *id);
 308 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 309                            WPARAM wParam, LPARAM lParam);
 310 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 311 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 312
 313 void dp_init(struct dlgparam *dp);
 314 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 315 void dp_cleanup(struct dlgparam *dp);
 316
 317 /*
 318  * Exports from wincfg.c.
 319  */
 320 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 321                           int midsession);
 322
 323 /*
 324  * Exports from windlg.c.
 325  */
 326 void defuse_showwindow(void);
 327 int do_config(void);
 328 int do_reconfig(HWND);
 329 void showeventlog(HWND);
 330 void showabout(HWND);
 331 void force_normal(HWND hwnd);
 332 void modal_about_box(HWND hwnd);
 333 void show_help(HWND hwnd);
 334
 335 /*
 336  * Exports from winmisc.c.
 337  */
 338
 339 int SaneDialogBox(HINSTANCE hinst,
 340                   LPCTSTR tmpl,
 341                   HWND hwndparent,
 342                   DLGPROC lpDialogFunc);
 343
 344 void SaneEndDialog(HWND hwnd, int ret);
 345
 346 extern OSVERSIONINFO osVersion;
 347 BOOL init_winver(void);
 348
 349 /*
 350  * Exports from sizetip.c.
 351  */
 352 void UpdateSizeTip(HWND src, int cx, int cy);
 353 void EnableSizeTip(int bEnable);
 354
 355 /*
 356  * Exports from unicode.c.
 357  */
 358 struct unicode_data;
 359 void init_ucs(Config *, struct unicode_data *);
 360
 361 /*
 362  * pageantc.c needs to schedule callbacks for asynchronous agent
 363  * requests. This has to be done differently in GUI and console, so
 364  * there's an exported function used for the purpose.
 365  *
 366  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 367  * synchronous in pscp and psftp.
 368  */
 369 void agent_schedule_callback(void (*callback)(void *, void *, int),
 370                              void *callback_ctx, void *data, int len);
 371 #define FLAG_SYNCAGENT 0x1000
 372
 373 #endif