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 #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 PUTTY_HELP_FILE "putty.hlp"
  61 #define PUTTY_HELP_CONTENTS "putty.cnt"
  62
  63 #define GETTICKCOUNT GetTickCount
  64 #define CURSORBLINK GetCaretBlinkTime()
  65 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
  66
  67 #define DEFAULT_CODEPAGE CP_ACP
  68
  69 typedef HDC Context;
  70
  71 /*
  72  * Window handles for the windows that can be running during a
  73  * PuTTY session.
  74  */
  75 GLOBAL HWND hwnd;       /* the main terminal window */
  76 GLOBAL HWND logbox;
  77
  78 /*
  79  * The all-important instance handle.
  80  */
  81 GLOBAL HINSTANCE hinst;
  82
  83 /*
  84  * Details of the help file.
  85  */
  86 GLOBAL char *help_path;
  87 GLOBAL int help_has_contents;
  88 GLOBAL int requested_help;
  89
  90 /*
  91  * The terminal and logging context are notionally local to the
  92  * Windows front end, but they must be shared between window.c and
  93  * windlg.c. Likewise the saved-sessions list.
  94  */
  95 GLOBAL Terminal *term;
  96 GLOBAL void *logctx;
  97
  98 /*
  99  * I've just looked in the windows standard headr files for WM_USER, there
 100  * are hundreds of flags defined using the form WM_USER+123 so I've
 101  * renumbered this NETEVENT value and the two in window.c
 102  */
 103 #define WM_XUSER     (WM_USER + 0x2000)
 104 #define WM_NETEVENT  (WM_XUSER + 5)
 105
 106 /*
 107  * On Windows, we send MA_2CLK as the only event marking the second
 108  * press of a mouse button. Compare unix.h.
 109  */
 110 #define MULTICLICK_ONLY_EVENT 1
 111
 112 /*
 113  * On Windows, data written to the clipboard must be NUL-terminated.
 114  */
 115 #define SELECTION_NUL_TERMINATED 1
 116
 117 /*
 118  * On Windows, copying to the clipboard terminates lines with CRLF.
 119  */
 120 #define SEL_NL { 13, 10 }
 121
 122 /*
 123  * sk_getxdmdata() does not exist under Windows (not that I
 124  * couldn't write it if I wanted to, but I haven't bothered), so
 125  * it's a macro which always returns NULL. With any luck this will
 126  * cause the compiler to notice it can optimise away the
 127  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 128  */
 129 #define sk_getxdmdata(socket, lenp) (NULL)
 130
 131 /*
 132  * File-selector filter strings used in the config box. On Windows,
 133  * these strings are of exactly the type needed to go in
 134  * `lpstrFilter' in an OPENFILENAME structure.
 135  */
 136 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 137                               "All Files (*.*)\0*\0\0\0")
 138 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 139                                "All Files (*.*)\0*\0\0\0")
 140
 141 /*
 142  * On some versions of Windows, it has been known for WM_TIMER to
 143  * occasionally get its callback time simply wrong, and call us
 144  * back several minutes early. Defining these symbols enables
 145  * compensation code in timing.c.
 146  */
 147 #define TIMING_SYNC
 148 #define TIMING_SYNC_TICKCOUNT
 149
 150 /*
 151  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 152  * what it can get, which means any WinSock routines used outside
 153  * that module must be exported from it as function pointers. So
 154  * here they are.
 155  */
 156 extern int (WINAPI *p_WSAAsyncSelect)
 157     (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
 158 extern int (WINAPI *p_WSAEventSelect)
 159     (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
 160 extern int (WINAPI *p_select)
 161     (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
 162      fd_set FAR *exceptfds, const struct timeval FAR * timeout);
 163 extern int (WINAPI *p_WSAGetLastError)(void);
 164 extern int (WINAPI *p_WSAEnumNetworkEvents)
 165     (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);
 166
 167 extern int socket_writable(SOCKET skt);
 168
 169 /*
 170  * Exports from winctrls.c.
 171  */
 172
 173 struct ctlpos {
 174     HWND hwnd;
 175     WPARAM font;
 176     int dlu4inpix;
 177     int ypos, width;
 178     int xoff;
 179     int boxystart, boxid;
 180     char *boxtext;
 181 };
 182
 183 /*
 184  * Exports from winutils.c.
 185  */
 186 typedef struct filereq_tag filereq; /* cwd for file requester */
 187 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 188 filereq *filereq_new(void);
 189 void filereq_free(filereq *state);
 190 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 191 void split_into_argv(char *, int *, char ***, char ***);
 192
 193 /*
 194  * Private structure for prefslist state. Only in the header file
 195  * so that we can delegate allocation to callers.
 196  */
 197 struct prefslist {
 198     int listid, upbid, dnbid;
 199     int srcitem;
 200     int dummyitem;
 201     int dragging;
 202 };
 203
 204 /*
 205  * This structure is passed to event handler functions as the `dlg'
 206  * parameter, and hence is passed back to winctrls access functions.
 207  */
 208 struct dlgparam {
 209     HWND hwnd;                         /* the hwnd of the dialog box */
 210     struct winctrls *controltrees[8];  /* can have several of these */
 211     int nctrltrees;
 212     char *wintitle;                    /* title of actual window */
 213     char *errtitle;                    /* title of error sub-messageboxes */
 214     void *data;                        /* data to pass in refresh events */
 215     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 216     char shortcuts[128];               /* track which shortcuts in use */
 217     int coloursel_wanted;              /* has an event handler asked for
 218                                         * a colour selector? */
 219     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 220     tree234 *privdata;                 /* stores per-control private data */
 221     int ended, endresult;              /* has the dialog been ended? */
 222 };
 223
 224 /*
 225  * Exports from winctrls.c.
 226  */
 227 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 228                 int leftborder, int rightborder, int topborder);
 229 HWND doctl(struct ctlpos *cp, RECT r,
 230            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 231 void bartitle(struct ctlpos *cp, char *name, int id);
 232 void beginbox(struct ctlpos *cp, char *name, int idbox);
 233 void endbox(struct ctlpos *cp);
 234 void multiedit(struct ctlpos *cp, int password, ...);
 235 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 236 void bareradioline(struct ctlpos *cp, int nacross, ...);
 237 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 238 void checkbox(struct ctlpos *cp, char *text, int id);
 239 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 240 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 241                char *btext, int bid);
 242 void static2btn(struct ctlpos *cp, char *stext, int sid,
 243                 char *btext1, int bid1, char *btext2, int bid2);
 244 void staticedit(struct ctlpos *cp, char *stext,
 245                 int sid, int eid, int percentedit);
 246 void staticddl(struct ctlpos *cp, char *stext,
 247                int sid, int lid, int percentlist);
 248 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 249 void staticpassedit(struct ctlpos *cp, char *stext,
 250                     int sid, int eid, int percentedit);
 251 void bigeditctrl(struct ctlpos *cp, char *stext,
 252                  int sid, int eid, int lines);
 253 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 254 void editbutton(struct ctlpos *cp, char *stext, int sid,
 255                 int eid, char *btext, int bid);
 256 void sesssaver(struct ctlpos *cp, char *text,
 257                int staticid, int editid, int listid, ...);
 258 void envsetter(struct ctlpos *cp, char *stext, int sid,
 259                char *e1stext, int e1sid, int e1id,
 260                char *e2stext, int e2sid, int e2id,
 261                int listid, char *b1text, int b1id, char *b2text, int b2id);
 262 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 263                char *btext, int bid, int eid, char *s2text, int s2id);
 264 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 265                 char *btext, int bid, ...);
 266 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 267                char *stext, int sid, int listid, int upbid, int dnbid);
 268 int handle_prefslist(struct prefslist *hdl,
 269                      int *array, int maxmemb,
 270                      int is_dlmsg, HWND hwnd,
 271                      WPARAM wParam, LPARAM lParam);
 272 void progressbar(struct ctlpos *cp, int id);
 273 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 274                char *e1stext, int e1sid, int e1id,
 275                char *e2stext, int e2sid, int e2id,
 276                char *btext, int bid,
 277                char *r1text, int r1id, char *r2text, int r2id);
 278
 279 #define MAX_SHORTCUTS_PER_CTRL 16
 280
 281 /*
 282  * This structure is what's stored for each `union control' in the
 283  * portable-dialog interface.
 284  */
 285 struct winctrl {
 286     union control *ctrl;
 287     /*
 288      * The control may have several components at the Windows
 289      * level, with different dialog IDs. To avoid needing N
 290      * separate platformsidectrl structures (which could be stored
 291      * separately in a tree234 so that lookup by ID worked), we
 292      * impose the constraint that those IDs must be in a contiguous
 293      * block.
 294      */
 295     int base_id;
 296     int num_ids;
 297     /*
 298      * Remember what keyboard shortcuts were used by this control,
 299      * so that when we remove it again we can take them out of the
 300      * list in the dlgparam.
 301      */
 302     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 303     /*
 304      * Some controls need a piece of allocated memory in which to
 305      * store temporary data about the control.
 306      */
 307     void *data;
 308 };
 309 /*
 310  * And this structure holds a set of the above, in two separate
 311  * tree234s so that it can find an item by `union control' or by
 312  * dialog ID.
 313  */
 314 struct winctrls {
 315     tree234 *byctrl, *byid;
 316 };
 317 struct controlset;
 318 struct controlbox;
 319
 320 void winctrl_init(struct winctrls *);
 321 void winctrl_cleanup(struct winctrls *);
 322 void winctrl_add(struct winctrls *, struct winctrl *);
 323 void winctrl_remove(struct winctrls *, struct winctrl *);
 324 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 325 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 326 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 327 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 328                     struct ctlpos *cp, struct controlset *s, int *id);
 329 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 330                            WPARAM wParam, LPARAM lParam);
 331 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 332 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 333
 334 void dp_init(struct dlgparam *dp);
 335 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 336 void dp_cleanup(struct dlgparam *dp);
 337
 338 /*
 339  * Exports from wincfg.c.
 340  */
 341 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 342                           int midsession);
 343
 344 /*
 345  * Exports from windlg.c.
 346  */
 347 void defuse_showwindow(void);
 348 int do_config(void);
 349 int do_reconfig(HWND, int);
 350 void showeventlog(HWND);
 351 void showabout(HWND);
 352 void force_normal(HWND hwnd);
 353 void modal_about_box(HWND hwnd);
 354 void show_help(HWND hwnd);
 355
 356 /*
 357  * Exports from winmisc.c.
 358  */
 359 extern OSVERSIONINFO osVersion;
 360 BOOL init_winver(void);
 361
 362 /*
 363  * Exports from sizetip.c.
 364  */
 365 void UpdateSizeTip(HWND src, int cx, int cy);
 366 void EnableSizeTip(int bEnable);
 367
 368 /*
 369  * Exports from unicode.c.
 370  */
 371 struct unicode_data;
 372 void init_ucs(Config *, struct unicode_data *);
 373
 374 /*
 375  * pageantc.c needs to schedule callbacks for asynchronous agent
 376  * requests. This has to be done differently in GUI and console, so
 377  * there's an exported function used for the purpose.
 378  *
 379  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 380  * synchronous in pscp and psftp.
 381  */
 382 void agent_schedule_callback(void (*callback)(void *, void *, int),
 383                              void *callback_ctx, void *data, int len);
 384 #define FLAG_SYNCAGENT 0x1000
 385
 386 #endif