mdw@git.distorted.org.uk Git - sgt/putty/blob - mac/mac.c

   1 /* $Id: mac.c,v 1.54 2003/03/06 23:44:47 ben Exp $ */
   2 /*
   3  * Copyright (c) 1999, 2003 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person
   7  * obtaining a copy of this software and associated documentation
   8  * files (the "Software"), to deal in the Software without
   9  * restriction, including without limitation the rights to use,
  10  * copy, modify, merge, publish, distribute, sublicense, and/or
  11  * sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following
  13  * conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be
  16  * included in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  23  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27 /*
  28  * mac.c -- miscellaneous Mac-specific routines
  29  */
  30
  31 #include <MacTypes.h>
  32 #include <AEDataModel.h>
  33 #include <AppleEvents.h>
  34 #include <Quickdraw.h>
  35 #include <Fonts.h>
  36 #include <MacWindows.h>
  37 #include <Menus.h>
  38 #include <TextEdit.h>
  39 #include <Appearance.h>
  40 #include <CodeFragments.h>
  41 #include <Dialogs.h>
  42 #include <Devices.h>
  43 #include <DiskInit.h>
  44 #include <Gestalt.h>
  45 #include <LowMem.h>
  46 #include <Navigation.h>
  47 #include <Resources.h>
  48 #include <Script.h>
  49 #include <TextCommon.h>
  50 #include <ToolUtils.h>
  51 #include <UnicodeConverter.h>
  52
  53 #include <assert.h>
  54 #include <limits.h>
  55 #include <stdarg.h>
  56 #include <stdlib.h>             /* putty.h needs size_t */
  57 #include <stdio.h>              /* for vsprintf */
  58
  59 #define PUTTY_DO_GLOBALS
  60
  61 #include "macresid.h"
  62 #include "putty.h"
  63 #include "ssh.h"
  64 #include "terminal.h"
  65 #include "mac.h"
  66
  67 Session *sesslist;
  68
  69 static int cold = 1;
  70 static int borednow = FALSE;
  71 struct mac_gestalts mac_gestalts;
  72 UInt32 sleeptime;
  73
  74 static void mac_startup(void);
  75 static void mac_eventloop(void);
  76 #pragma noreturn (mac_eventloop)
  77 static void mac_event(EventRecord *);
  78 static void mac_contentclick(WindowPtr, EventRecord *);
  79 static void mac_growwindow(WindowPtr, EventRecord *);
  80 static void mac_activatewindow(WindowPtr, EventRecord *);
  81 static void mac_suspendresume(EventRecord *);
  82 static void mac_activateabout(WindowPtr, EventRecord *);
  83 static void mac_updatewindow(WindowPtr);
  84 static void mac_updatelicence(WindowPtr);
  85 static void mac_keypress(EventRecord *);
  86 static int mac_windowtype(WindowPtr);
  87 static void mac_menucommand(long);
  88 static void mac_openlicence(void);
  89 static void mac_adjustcursor(RgnHandle);
  90 static void mac_adjustmenus(void);
  91 static void mac_closewindow(WindowPtr);
  92 static void mac_zoomwindow(WindowPtr, short);
  93 #pragma noreturn (cleanup_exit)
  94
  95 struct mac_windows {
  96     WindowPtr about;
  97     WindowPtr licence;
  98 };
  99
 100 struct mac_windows windows;
 101
 102 int main (int argc, char **argv) {
 103
 104     mac_startup();
 105     mac_eventloop();
 106 }
 107
 108 #pragma noreturn (main)
 109
 110 static void mac_startup(void) {
 111     Handle menuBar;
 112     TECInfoHandle ti;
 113
 114 #if !TARGET_API_MAC_CARBON
 115     /* Init Memory Manager */
 116     MaxApplZone();
 117     /* Init QuickDraw */
 118     InitGraf(&qd.thePort);
 119     /* Init Font Manager */
 120     InitFonts();
 121     /* Init Window Manager */
 122     InitWindows();
 123     /* Init Menu Manager */
 124     InitMenus();
 125     /* Init TextEdit */
 126     TEInit();
 127     /* Init Dialog Manager */
 128     InitDialogs(NULL);
 129 #endif
 130     cold = 0;
 131
 132     /* Get base system version (only used if there's no better selector) */
 133     if (Gestalt(gestaltSystemVersion, &mac_gestalts.sysvers) != noErr ||
 134         (mac_gestalts.sysvers &= 0xffff) < 0x700)
 135         fatalbox("PuTTY requires System 7 or newer");
 136     /* Find out if we've got Color Quickdraw */
 137     if (Gestalt(gestaltQuickdrawVersion, &mac_gestalts.qdvers) != noErr)
 138         mac_gestalts.qdvers = gestaltOriginalQD;
 139     /* ... and the Appearance Manager? */
 140     if (Gestalt(gestaltAppearanceVersion, &mac_gestalts.apprvers) != noErr)
 141         if (Gestalt(gestaltAppearanceAttr, NULL) == noErr)
 142             mac_gestalts.apprvers = 0x0100;
 143         else
 144             mac_gestalts.apprvers = 0;
 145 #if TARGET_RT_MAC_CFM
 146     /* Paranoia: Did we manage to pull in AppearanceLib? */
 147     if (&RegisterAppearanceClient == kUnresolvedCFragSymbolAddress)
 148         mac_gestalts.apprvers = 0;
 149 #endif
 150 #if TARGET_CPU_68K
 151     mac_gestalts.cntlattr = 0;
 152     mac_gestalts.windattr = 0;
 153 #else
 154     /* Mac OS 8.5 Control Manager (proportional scrollbars)? */
 155     if (Gestalt(gestaltControlMgrAttr, &mac_gestalts.cntlattr) != noErr ||
 156         &SetControlViewSize == kUnresolvedCFragSymbolAddress)
 157         mac_gestalts.cntlattr = 0;
 158     /* Mac OS 8.5 Window Manager? */
 159     if (Gestalt(gestaltWindowMgrAttr, &mac_gestalts.windattr) != noErr ||
 160         &SetWindowContentColor == kUnresolvedCFragSymbolAddress)
 161         mac_gestalts.windattr = 0;
 162     /* Mac OS 8.5 Menu Manager? */
 163     if (Gestalt(gestaltMenuMgrAttr, &mac_gestalts.menuattr) != noErr)
 164         mac_gestalts.menuattr = 0;
 165 #endif
 166     /* Text Encoding Conversion Manager? */
 167     if (
 168 #if TARGET_RT_MAC_CFM
 169         &TECGetInfo == kUnresolvedCFragSymbolAddress ||
 170 #else
 171         InitializeUnicodeConverter(NULL) != noErr ||
 172 #endif
 173         TECGetInfo(&ti) != noErr)
 174         mac_gestalts.encvvers = 0;
 175     else {
 176         mac_gestalts.encvvers = (*ti)->tecVersion;
 177         mac_gestalts.uncvattr = (*ti)->tecUnicodeConverterFeatures;
 178         DisposeHandle((Handle)ti);
 179     }
 180     /* Navigation Services? */
 181     if (NavServicesAvailable())
 182         mac_gestalts.navsvers = NavLibraryVersion();
 183     else
 184         mac_gestalts.navsvers = 0;
 185
 186     sk_init();
 187
 188     /* We've been tested with the Appearance Manager */
 189     if (mac_gestalts.apprvers != 0)
 190         RegisterAppearanceClient();
 191
 192     menuBar = GetNewMBar(128);
 193     if (menuBar == NULL)
 194         fatalbox("Unable to create menu bar.");
 195     SetMenuBar(menuBar);
 196     AppendResMenu(GetMenuHandle(mApple), 'DRVR');
 197     if (mac_gestalts.menuattr & gestaltMenuMgrAquaLayoutMask)
 198         DeleteMenuItem(GetMenuHandle(mFile), iQuit);
 199     mac_adjustmenus();
 200     DrawMenuBar();
 201     InitCursor();
 202     windows.about = NULL;
 203     windows.licence = NULL;
 204
 205     default_protocol = be_default_protocol;
 206     /* Find the appropriate default port. */
 207     {
 208         int i;
 209         default_port = 0; /* illegal */
 210         for (i = 0; backends[i].backend != NULL; i++)
 211             if (backends[i].protocol == default_protocol) {
 212                 default_port = backends[i].backend->default_port;
 213                 break;
 214             }
 215     }
 216     flags = FLAG_INTERACTIVE;
 217
 218 #if !TARGET_API_MAC_CARBON
 219     {
 220         short vol;
 221         long dirid;
 222
 223         /* Set the default directory for loading and saving settings. */
 224         /* XXX Should we create it? */
 225         if (get_session_dir(FALSE, &vol, &dirid) == noErr) {
 226             LMSetSFSaveDisk(-vol);
 227             LMSetCurDirStore(dirid);
 228         }
 229     }
 230 #endif
 231
 232     /* Install Apple Event handlers. */
 233     AEInstallEventHandler(kCoreEventClass, kAEOpenApplication,
 234                           NewAEEventHandlerUPP(&mac_aevt_oapp), 0, FALSE);
 235     AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
 236                           NewAEEventHandlerUPP(&mac_aevt_odoc), 0, FALSE);
 237     AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments,
 238                           NewAEEventHandlerUPP(&mac_aevt_pdoc), 0, FALSE);
 239     AEInstallEventHandler(kCoreEventClass, kAEQuitApplication,
 240                           NewAEEventHandlerUPP(&mac_aevt_quit), 0, FALSE);
 241 }
 242
 243 static void mac_eventloop(void) {
 244     Boolean gotevent;
 245     EventRecord event;
 246     RgnHandle cursrgn;
 247
 248     cursrgn = NewRgn();
 249     sleeptime = 0;
 250     for (;;) {
 251         mac_adjustcursor(cursrgn);
 252         gotevent = WaitNextEvent(everyEvent, &event, sleeptime, cursrgn);
 253         /*
 254          * XXX For now, limit sleep time to 1/10 s to work around
 255          * wake-before-sleep race in MacTCP code.
 256          */
 257         sleeptime = 6;
 258         mac_adjustcursor(cursrgn);
 259         if (gotevent) {
 260             /* Ensure we get a null event when the real ones run out. */
 261             sleeptime = 0;
 262             mac_event(&event);
 263             if (borednow)
 264                 cleanup_exit(0);
 265         }
 266         sk_poll();
 267         if (!gotevent)
 268             mac_pollterm();
 269     }
 270     DisposeRgn(cursrgn);
 271 }
 272
 273 static void mac_event(EventRecord *event) {
 274     short part;
 275     WindowPtr window;
 276
 277     switch (event->what) {
 278       case mouseDown:
 279         part = FindWindow(event->where, &window);
 280         switch (part) {
 281           case inMenuBar:
 282             mac_adjustmenus();
 283             mac_menucommand(MenuSelect(event->where));
 284             break;
 285 #if !TARGET_API_MAC_CARBON
 286           case inSysWindow:
 287             SystemClick(event, window);
 288             break;
 289 #endif
 290           case inContent:
 291             if (window != FrontWindow())
 292                 /* XXX: check for movable modal dboxes? */
 293                 SelectWindow(window);
 294             else
 295                 mac_contentclick(window, event);
 296             break;
 297           case inGoAway:
 298             if (TrackGoAway(window, event->where))
 299                 mac_closewindow(window);
 300             break;
 301           case inDrag:
 302             /* XXX: moveable modal check? */
 303 #if TARGET_API_MAC_CARBON
 304             {
 305                 BitMap screenBits;
 306
 307                 GetQDGlobalsScreenBits(&screenBits);
 308                 DragWindow(window, event->where, &screenBits.bounds);
 309             }
 310 #else
 311             DragWindow(window, event->where, &qd.screenBits.bounds);
 312 #endif
 313             break;
 314           case inGrow:
 315             mac_growwindow(window, event);
 316             break;
 317           case inZoomIn:
 318           case inZoomOut:
 319             if (TrackBox(window, event->where, part))
 320                 mac_zoomwindow(window, part);
 321             break;
 322         }
 323         break;
 324       case keyDown:
 325       case autoKey:
 326         mac_keypress(event);
 327         break;
 328       case activateEvt:
 329         mac_activatewindow((WindowPtr)event->message, event);
 330         break;
 331       case updateEvt:
 332         mac_updatewindow((WindowPtr)event->message);
 333         break;
 334 #if !TARGET_API_MAC_CARBON
 335       case diskEvt:
 336         if (HiWord(event->message) != noErr) {
 337             Point pt;
 338
 339             SetPt(&pt, 120, 120);
 340             DIBadMount(pt, event->message);
 341         }
 342         break;
 343 #endif
 344       case osEvt:
 345         switch ((event->message & osEvtMessageMask) >> 24) {
 346           case suspendResumeMessage:
 347             mac_suspendresume(event);
 348             break;
 349         }
 350         break;
 351       case kHighLevelEvent:
 352         AEProcessAppleEvent(event); /* errors? */
 353         break;
 354     }
 355 }
 356
 357 static void mac_contentclick(WindowPtr window, EventRecord *event)
 358 {
 359
 360     if (mac_wininfo(window)->click != NULL)
 361         (*mac_wininfo(window)->click)(window, event);
 362 }
 363
 364 static void mac_growwindow(WindowPtr window, EventRecord *event)
 365 {
 366
 367     if (mac_wininfo(window)->grow != NULL)
 368         (*mac_wininfo(window)->grow)(window, event);
 369 }
 370
 371 static void mac_activatewindow(WindowPtr window, EventRecord *event)
 372 {
 373
 374     mac_adjustmenus();
 375     if (mac_wininfo(window)->activate != NULL)
 376         (*mac_wininfo(window)->activate)(window, event);
 377 }
 378
 379 static void mac_updatewindow(WindowPtr window)
 380 {
 381
 382     if (mac_wininfo(window)->update != NULL)
 383         (*mac_wininfo(window)->update)(window);
 384 }
 385
 386 /*
 387  * Work out what kind of window we're dealing with.
 388  */
 389 static int mac_windowtype(WindowPtr window)
 390 {
 391
 392 #if !TARGET_API_MAC_CARBON
 393     if (GetWindowKind(window) < 0)
 394         return wDA;
 395 #endif
 396     return ((WinInfo *)GetWRefCon(window))->wtype;
 397 }
 398
 399 /*
 400  * Handle a key press
 401  */
 402 static void mac_keypress(EventRecord *event) {
 403     WindowPtr window;
 404
 405     window = mac_frontwindow();
 406     /*
 407      * Check for a command-key combination, but ignore it if it counts
 408      * as a meta-key combination and we're in a terminal window.
 409      */
 410     if (event->what == keyDown && (event->modifiers & cmdKey) /*&&
 411         !((event->modifiers & cfg.meta_modifiers) == cfg.meta_modifiers &&
 412             mac_windowtype(window) == wTerminal)*/) {
 413         mac_adjustmenus();
 414         mac_menucommand(MenuKey(event->message & charCodeMask));
 415     } else {
 416         if (window != NULL && mac_wininfo(window)->key != NULL)
 417             (*mac_wininfo(window)->key)(window, event);
 418     }
 419 }
 420
 421 static void mac_menucommand(long result) {
 422     short menu, item;
 423     WindowPtr window;
 424 #if !TARGET_API_MAC_CARBON
 425     Str255 da;
 426 #endif
 427
 428     menu = HiWord(result);
 429     item = LoWord(result);
 430     window = mac_frontwindow();
 431     /* Things which do the same whatever window we're in. */
 432     switch (menu) {
 433       case mApple:
 434         switch (item) {
 435           case iAbout:
 436             mac_openabout();
 437             goto done;
 438 #if !TARGET_API_MAC_CARBON
 439           default:
 440             GetMenuItemText(GetMenuHandle(mApple), item, da);
 441             OpenDeskAcc(da);
 442             goto done;
 443 #endif
 444         }
 445         break;
 446       case mFile:
 447         switch (item) {
 448           case iNew:
 449             mac_newsession();
 450             goto done;
 451           case iOpen:
 452             mac_opensession();
 453             goto done;
 454           case iClose:
 455             mac_closewindow(window);
 456             goto done;
 457           case iSave:
 458             mac_savesession();
 459             goto done;
 460           case iSaveAs:
 461             mac_savesessionas();
 462             goto done;
 463           case iDuplicate:
 464             mac_dupsession();
 465             goto done;
 466           case iQuit:
 467             cleanup_exit(0);
 468             goto done;
 469         }
 470         break;
 471     }
 472     /* If we get here, handling is up to window-specific code. */
 473     if (window != NULL && mac_wininfo(window)->menu != NULL)
 474         (*mac_wininfo(window)->menu)(window, menu, item);
 475
 476   done:
 477     HiliteMenu(0);
 478 }
 479
 480 static void mac_closewindow(WindowPtr window) {
 481
 482     switch (mac_windowtype(window)) {
 483 #if !TARGET_API_MAC_CARBON
 484       case wDA:
 485         CloseDeskAcc(GetWindowKind(window));
 486         break;
 487 #endif
 488       default:
 489         if (mac_wininfo(window)->close != NULL)
 490             (*mac_wininfo(window)->close)(window);
 491         break;
 492     }
 493 }
 494
 495 static void mac_suspendresume(EventRecord *event)
 496 {
 497     WindowPtr front;
 498     EventRecord fakeevent;
 499
 500     /*
 501      * We're called either before we're suspended or after we're
 502      * resumed, so we're the front application at this point.
 503      */
 504     front = FrontWindow();
 505     if (front != NULL) {
 506         fakeevent.what = activateEvt;
 507         fakeevent.message = (UInt32)front;
 508         fakeevent.when = event->when;
 509         fakeevent.where = event->where;
 510         fakeevent.modifiers =
 511             (event->message & resumeFlag) ? activeFlag : 0;
 512         mac_activatewindow(front, &fakeevent);
 513     }
 514 }
 515
 516 static void mac_zoomwindow(WindowPtr window, short part) {
 517
 518     /* FIXME: do something */
 519 }
 520
 521 /*
 522  * Make the menus look right before the user gets to see them.
 523  */
 524 #if TARGET_API_MAC_CARBON
 525 #define EnableItem EnableMenuItem
 526 #define DisableItem DisableMenuItem
 527 #endif
 528 static void mac_adjustmenus(void) {
 529     WindowPtr window;
 530     MenuHandle menu;
 531
 532     window = mac_frontwindow();
 533     menu = GetMenuHandle(mApple);
 534     EnableItem(menu, 0);
 535     EnableItem(menu, iAbout);
 536
 537     menu = GetMenuHandle(mFile);
 538     EnableItem(menu, 0);
 539     EnableItem(menu, iNew);
 540     if (window != NULL)
 541         EnableItem(menu, iClose);
 542     else
 543         DisableItem(menu, iClose);
 544     EnableItem(menu, iQuit);
 545
 546     if (window != NULL && mac_wininfo(window)->adjustmenus != NULL)
 547         (*mac_wininfo(window)->adjustmenus)(window);
 548     else {
 549         DisableItem(menu, iSave);
 550         DisableItem(menu, iSaveAs);
 551         DisableItem(menu, iDuplicate);
 552         menu = GetMenuHandle(mEdit);
 553         DisableItem(menu, 0);
 554         menu = GetMenuHandle(mWindow);
 555         DisableItem(menu, 0); /* Until we get more than 1 item on it. */
 556     }
 557     DrawMenuBar();
 558 }
 559
 560 /*
 561  * Make sure the right cursor's being displayed.
 562  */
 563 static void mac_adjustcursor(RgnHandle cursrgn) {
 564     Point mouse;
 565     WindowPtr window, front;
 566     short part;
 567 #if TARGET_API_MAC_CARBON
 568     Cursor arrow;
 569     RgnHandle visrgn;
 570 #endif
 571
 572     GetMouse(&mouse);
 573     LocalToGlobal(&mouse);
 574     part = FindWindow(mouse, &window);
 575     front = FrontWindow();
 576     if (part != inContent || window == NULL || window != front) {
 577         /* Cursor isn't in the front window, so switch to arrow */
 578 #if TARGET_API_MAC_CARBON
 579         GetQDGlobalsArrow(&arrow);
 580         SetCursor(&arrow);
 581 #else
 582         SetCursor(&qd.arrow);
 583 #endif
 584         SetRectRgn(cursrgn, SHRT_MIN, SHRT_MIN, SHRT_MAX, SHRT_MAX);
 585         if (front != NULL) {
 586 #if TARGET_API_MAC_CARBON
 587             visrgn = NewRgn();
 588             GetPortVisibleRegion(GetWindowPort(front), visrgn);
 589             DiffRgn(cursrgn, visrgn, cursrgn);
 590             DisposeRgn(visrgn);
 591 #else
 592             DiffRgn(cursrgn, front->visRgn, cursrgn);
 593 #endif
 594         }
 595     } else {
 596         if (mac_wininfo(window)->adjustcursor != NULL)
 597             (*mac_wininfo(window)->adjustcursor)(window, mouse, cursrgn);
 598         else {
 599 #if TARGET_API_MAC_CARBON
 600             GetQDGlobalsArrow(&arrow);
 601             SetCursor(&arrow);
 602             GetPortVisibleRegion(GetWindowPort(window), cursrgn);
 603 #else
 604             SetCursor(&qd.arrow);
 605             CopyRgn(window->visRgn, cursrgn);
 606 #endif
 607         }
 608     }
 609 }
 610
 611 pascal OSErr mac_aevt_quit(const AppleEvent *req, AppleEvent *reply,
 612                                   long refcon)
 613 {
 614     DescType type;
 615     Size size;
 616
 617     if (AEGetAttributePtr(req, keyMissedKeywordAttr, typeWildCard,
 618                           &type, NULL, 0, &size) == noErr)
 619         return errAEParamMissed;
 620
 621     borednow = 1;
 622     return noErr;
 623 }
 624
 625 void cleanup_exit(int status)
 626 {
 627
 628 #if !TARGET_RT_MAC_CFM
 629     if (mac_gestalts.encvvers != 0)
 630         TerminateUnicodeConverter();
 631 #endif
 632     sk_cleanup();
 633     exit(status);
 634 }
 635
 636 /* This should only kill the current session, not the whole application. */
 637 void connection_fatal(void *fontend, char *fmt, ...) {
 638     va_list ap;
 639     Str255 stuff;
 640
 641     va_start(ap, fmt);
 642     /* We'd like stuff to be a Pascal string */
 643     stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
 644     va_end(ap);
 645     ParamText(stuff, NULL, NULL, NULL);
 646     StopAlert(128, NULL);
 647     cleanup_exit(1);
 648 }
 649
 650 /* Null SSH agent client -- never finds an agent. */
 651
 652 int agent_exists(void)
 653 {
 654
 655     return FALSE;
 656 }
 657
 658 void agent_query(void *in, int inlen, void **out, int *outlen)
 659 {
 660
 661     *out = NULL;
 662     *outlen = 0;
 663 }
 664
 665 /* Temporary null routines for testing. */
 666
 667 /*
 668  * FIXME: verify_ssh_host_key() should be passed a frontend handle,
 669  * but backends have to have a terminal handle instead, because they
 670  * pass it to from_backend(), so we accept a terminal handle here as
 671  * well, and hope no-one tries to call us with sensible arguments.
 672  */
 673 void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
 674                          char *keystr, char *fingerprint)
 675 {
 676     Str255 stuff;
 677     Terminal *term = frontend;
 678     Session *s = term->frontend;
 679
 680     /*
 681      * This function is horribly wrong.  For one thing, the alert
 682      * shouldn't be modal, it should be movable modal, or a sheet in
 683      * Aqua.  Also, PuTTY might be in the background, in which case we
 684      * should use the Notification Manager to wake up the user.  In
 685      * any case, we shouldn't hold up processing of other connections'
 686      * data just because this one's waiting for the user.  It should
 687      * also handle a host key cache, of course, and see the note above
 688      * about the "frontend" argument and the one below about closing
 689      * the connection.  All in all, a bit of a mess really.
 690      */
 691
 692     stuff[0] = sprintf((char *)(&stuff[1]),
 693                        "The server's key fingerprint is: %s\n"
 694                        "Continue connecting?", fingerprint);
 695     ParamText(stuff, NULL, NULL, NULL);
 696     if (CautionAlert(wQuestion, NULL) == 2) {
 697         /*
 698          * User chose "Cancel".  Unfortunately, if I tear the
 699          * connection down here, Bad Things happen when I return.  I
 700          * think this function should actually return something
 701          * telling the SSH code to abandon the connection.
 702          */
 703     }
 704 }
 705
 706 void askcipher(void *frontend, char *ciphername, int cs)
 707 {
 708
 709 }
 710
 711 void old_keyfile_warning(void)
 712 {
 713
 714 }
 715
 716 FontSpec platform_default_fontspec(char const *name)
 717 {
 718     FontSpec ret;
 719     long smfs;
 720
 721     if (!strcmp(name, "Font")) {
 722         smfs = GetScriptVariable(smSystemScript, smScriptMonoFondSize);
 723         if (smfs == 0)
 724             smfs = GetScriptVariable(smRoman, smScriptMonoFondSize);
 725         if (smfs != 0) {
 726             GetFontName(HiWord(smfs), ret.name);
 727             if (ret.name[0] == 0)
 728                 memcpy(ret.name, "\pMonaco", 7);
 729             ret.size = LoWord(smfs);
 730         } else {
 731             memcpy(ret.name, "\pMonaco", 7);
 732             ret.size = 9;
 733         }
 734         ret.face = 0;
 735     } else {
 736         ret.name[0] = 0;
 737     }
 738
 739     return ret;
 740 }
 741
 742 Filename platform_default_filename(const char *name)
 743 {
 744     Filename ret;
 745     if (!strcmp(name, "LogFileName"))
 746         FSMakeFSSpec(0, 0, "\pputty.log", &ret.fss);
 747     else
 748         memset(&ret, 0, sizeof(ret));
 749     return ret;
 750 }
 751
 752 char *platform_default_s(char const *name)
 753 {
 754     return NULL;
 755 }
 756
 757 int platform_default_i(char const *name, int def)
 758 {
 759
 760     /* Non-raw cut and paste of line-drawing chars works badly on the
 761      * current Unix stub implementation of the Unicode functions.
 762      * So I'm going to temporarily set the default to raw mode so
 763      * that the failure mode isn't quite so drastically horrid.
 764      * When Unicode comes in, this can all be put right. */
 765     if (!strcmp(name, "RawCNP"))
 766         return 1;
 767     return def;
 768 }
 769
 770 void platform_get_x11_auth(char *display, int *proto,
 771                            unsigned char *data, int *datalen)
 772 {
 773     /* SGT: I have no idea whether Mac X servers need anything here. */
 774 }
 775
 776 /*
 777  * Local Variables:
 778  * c-file-style: "simon"
 779  * End:
 780  */