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