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