| blob | 94cc1180a2c519de2dc26d229ad900497055440c |
1 /* vi:set ts=8 sts=4 sw=4 ft=objc:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 * MacVim GUI port by Bjorn Winckler
5 *
6 * Do ":help uganda" in Vim to read copying and usage conditions.
7 * Do ":help credits" in Vim to see a list of people who contributed.
8 * See README.txt for an overview of the Vim source code.
9 */
10 /*
11 * MMBackend
12 *
13 * MMBackend communicates with the frontend (MacVim). It maintains a queue of
14 * output which is flushed to the frontend under controlled circumstances (so
15 * as to maintain a steady framerate). Input from the frontend is also handled
16 * here.
17 *
18 * The frontend communicates with the backend via the MMBackendProtocol. In
19 * particular, input is sent to the backend via processInput:data: and Vim
20 * state can be queried from the frontend with evaluateExpression:.
21 *
22 * It is very important to realize that all state is held by the backend, the
23 * frontend must either ask for state [MMBackend evaluateExpression:] or wait
24 * for the backend to update [MMVimController processCommandQueue:].
25 *
26 * The client/server functionality of Vim is handled by the backend. It sets
27 * up a named NSConnection to which other Vim processes can connect.
28 */
30 #import "MMBackend.h"
34 // NOTE: Colors in MMBackend are stored as unsigned ints on the form 0xaarrggbb
35 // whereas colors in Vim are int without the alpha component. Also note that
36 // 'transp' is assumed to be a value between 0 and 100.
37 #define MM_COLOR(col) ((unsigned)( ((col)&0xffffff) | 0xff000000 ))
38 #define MM_COLOR_WITH_TRANSP(col,transp) \
39 ((unsigned)( ((col)&0xffffff) \
40 | ((((unsigned)((((100-(transp))*255)/100)+.5f))&0xff)<<24) ))
42 // Values for window layout (must match values in main.c).
43 #define WIN_HOR 1 // "-o" horizontally split windows
44 #define WIN_VER 2 // "-O" vertically split windows
45 #define WIN_TABS 3 // "-p" windows on tab pages
47 static unsigned MMServerMax = 1000;
49 // TODO: Move to separate file.
50 static int eventModifierFlagsToVimModMask(int modifierFlags);
51 static int eventModifierFlagsToVimMouseModMask(int modifierFlags);
52 static int eventButtonNumberToVimMouseButton(int buttonNumber);
54 // In gui_macvim.m
55 vimmenu_T *menu_for_descriptor(NSArray *desc);
57 static id evalExprCocoa(NSString * expr, NSString ** errstr);
60 enum {
61 MMBlinkStateNone = 0,
62 MMBlinkStateOn,
63 MMBlinkStateOff
64 };
66 static NSString *MMSymlinkWarningString =
67 @"\n\n\tMost likely this is because you have symlinked directly to\n"
68 "\tthe Vim binary, which Cocoa does not allow. Please use an\n"
69 "\talias or the mvim shell script instead. If you have not used\n"
70 "\ta symlink, then your MacVim.app bundle is incomplete.\n\n";
73 extern GuiFont gui_mch_retain_font(GuiFont font);
77 @interface NSString (MMServerNameCompare)
78 - (NSComparisonResult)serverNameCompare:(NSString *)string;
79 @end
84 @interface MMBackend (Private)
85 - (void)clearDrawData;
86 - (void)didChangeWholeLine;
87 - (void)waitForDialogReturn;
88 - (void)insertVimStateMessage;
89 - (void)processInputQueue;
90 - (void)handleInputEvent:(int)msgid data:(NSData *)data;
91 + (NSDictionary *)specialKeys;
92 - (void)handleInsertText:(NSString *)text;
93 - (void)handleKeyDown:(NSString *)key modifiers:(int)mods;
94 - (void)queueMessage:(int)msgid data:(NSData *)data;
95 - (void)connectionDidDie:(NSNotification *)notification;
96 - (void)blinkTimerFired:(NSTimer *)timer;
97 - (void)focusChange:(BOOL)on;
98 - (void)handleToggleToolbar;
99 - (void)handleScrollbarEvent:(NSData *)data;
100 - (void)handleSetFont:(NSData *)data;
101 - (void)handleDropFiles:(NSData *)data;
102 - (void)handleDropString:(NSData *)data;
103 - (void)startOdbEditWithArguments:(NSDictionary *)args;
104 - (void)handleXcodeMod:(NSData *)data;
105 - (void)handleOpenWithArguments:(NSDictionary *)args;
106 - (BOOL)checkForModifiedBuffers;
107 - (void)addInput:(NSString *)input;
108 - (BOOL)unusedEditor;
109 - (void)redrawScreen;
110 - (void)handleFindReplace:(NSDictionary *)args;
111 @end
115 @interface MMBackend (ClientServer)
116 - (NSString *)connectionNameFromServerName:(NSString *)name;
117 - (NSConnection *)connectionForServerName:(NSString *)name;
118 - (NSConnection *)connectionForServerPort:(int)port;
119 - (void)serverConnectionDidDie:(NSNotification *)notification;
120 - (void)addClient:(NSDistantObject *)client;
121 - (NSString *)alternateServerNameForName:(NSString *)name;
122 @end
126 @implementation MMBackend
128 + (MMBackend *)sharedInstance
129 {
130 static MMBackend *singleton = nil;
131 return singleton ? singleton : (singleton = [MMBackend new]);
132 }
134 - (id)init
135 {
136 self = [super init];
137 if (!self) return nil;
139 outputQueue = [[NSMutableArray alloc] init];
140 inputQueue = [[NSMutableArray alloc] init];
141 drawData = [[NSMutableData alloc] initWithCapacity:1024];
142 connectionNameDict = [[NSMutableDictionary alloc] init];
143 clientProxyDict = [[NSMutableDictionary alloc] init];
144 serverReplyDict = [[NSMutableDictionary alloc] init];
146 NSBundle *mainBundle = [NSBundle mainBundle];
147 NSString *path = [mainBundle pathForResource:@"Colors" ofType:@"plist"];
148 if (path)
149 colorDict = [[NSDictionary dictionaryWithContentsOfFile:path] retain];
151 path = [mainBundle pathForResource:@"SystemColors" ofType:@"plist"];
152 if (path)
153 sysColorDict = [[NSDictionary dictionaryWithContentsOfFile:path]
154 retain];
156 path = [mainBundle pathForResource:@"Actions" ofType:@"plist"];
157 if (path)
158 actionDict = [[NSDictionary dictionaryWithContentsOfFile:path] retain];
160 if (!(colorDict && sysColorDict && actionDict))
161 NSLog(@"ERROR: Failed to load dictionaries.%@",
162 MMSymlinkWarningString);
164 return self;
165 }
167 - (void)dealloc
168 {
169 //NSLog(@"%@ %s", [self className], _cmd);
170 [[NSNotificationCenter defaultCenter] removeObserver:self];
172 gui_mch_free_font(oldWideFont); oldWideFont = NOFONT;
173 [blinkTimer release]; blinkTimer = nil;
174 [alternateServerName release]; alternateServerName = nil;
175 [serverReplyDict release]; serverReplyDict = nil;
176 [clientProxyDict release]; clientProxyDict = nil;
177 [connectionNameDict release]; connectionNameDict = nil;
178 [inputQueue release]; inputQueue = nil;
179 [outputQueue release]; outputQueue = nil;
180 [drawData release]; drawData = nil;
181 [frontendProxy release]; frontendProxy = nil;
182 [connection release]; connection = nil;
183 [actionDict release]; actionDict = nil;
184 [sysColorDict release]; sysColorDict = nil;
185 [colorDict release]; colorDict = nil;
187 [super dealloc];
188 }
190 - (void)setBackgroundColor:(int)color
191 {
192 backgroundColor = MM_COLOR_WITH_TRANSP(color,p_transp);
193 }
195 - (void)setForegroundColor:(int)color
196 {
197 foregroundColor = MM_COLOR(color);
198 }
200 - (void)setSpecialColor:(int)color
201 {
202 specialColor = MM_COLOR(color);
203 }
205 - (void)setDefaultColorsBackground:(int)bg foreground:(int)fg
206 {
207 defaultBackgroundColor = MM_COLOR_WITH_TRANSP(bg,p_transp);
208 defaultForegroundColor = MM_COLOR(fg);
210 NSMutableData *data = [NSMutableData data];
212 [data appendBytes:&defaultBackgroundColor length:sizeof(unsigned)];
213 [data appendBytes:&defaultForegroundColor length:sizeof(unsigned)];
215 [self queueMessage:SetDefaultColorsMsgID data:data];
216 }
218 - (NSConnection *)connection
219 {
220 if (!connection) {
221 // NOTE! If the name of the connection changes here it must also be
222 // updated in MMAppController.m.
223 NSString *name = [NSString stringWithFormat:@"%@-connection",
224 [[NSBundle mainBundle] bundlePath]];
226 connection = [NSConnection connectionWithRegisteredName:name host:nil];
227 [connection retain];
228 }
230 // NOTE: 'connection' may be nil here.
231 return connection;
232 }
234 - (NSDictionary *)actionDict
235 {
236 return actionDict;
237 }
239 - (int)initialWindowLayout
240 {
241 return initialWindowLayout;
242 }
244 - (void)queueMessage:(int)msgid properties:(NSDictionary *)props
245 {
246 [self queueMessage:msgid data:[props dictionaryAsData]];
247 }
249 - (BOOL)checkin
250 {
251 if (![self connection]) {
252 if (waitForAck) {
253 // This is a preloaded process and as such should not cause the
254 // MacVim to be opened. We probably got here as a result of the
255 // user quitting MacVim while the process was preloading, so exit
256 // this process too.
257 // (Don't use mch_exit() since it assumes the process has properly
258 // started.)
259 exit(0);
260 }
262 NSBundle *mainBundle = [NSBundle mainBundle];
263 #if 0
264 OSStatus status;
265 FSRef ref;
267 // Launch MacVim using Launch Services (NSWorkspace would be nicer, but
268 // the API to pass Apple Event parameters is broken on 10.4).
269 NSString *path = [mainBundle bundlePath];
270 status = FSPathMakeRef((const UInt8 *)[path UTF8String], &ref, NULL);
271 if (noErr == status) {
272 // Pass parameter to the 'Open' Apple Event that tells MacVim not
273 // to open an untitled window.
274 NSAppleEventDescriptor *desc =
275 [NSAppleEventDescriptor recordDescriptor];
276 [desc setParamDescriptor:
277 [NSAppleEventDescriptor descriptorWithBoolean:NO]
278 forKeyword:keyMMUntitledWindow];
280 LSLaunchFSRefSpec spec = { &ref, 0, NULL, [desc aeDesc],
281 kLSLaunchDefaults, NULL };
282 status = LSOpenFromRefSpec(&spec, NULL);
283 }
285 if (noErr != status) {
286 NSLog(@"ERROR: Failed to launch MacVim (path=%@).%@",
287 path, MMSymlinkWarningString);
288 return NO;
289 }
290 #else
291 // Launch MacVim using NSTask. For some reason the above code using
292 // Launch Services sometimes fails on LSOpenFromRefSpec() (when it
293 // fails, the dock icon starts bouncing and never stops). It seems
294 // like rebuilding the Launch Services database takes care of this
295 // problem, but the NSTask way seems more stable so stick with it.
296 //
297 // NOTE! Using NSTask to launch the GUI has the negative side-effect
298 // that the GUI won't be activated (or raised) so there is a hack in
299 // MMAppController which raises the app when a new window is opened.
300 NSMutableArray *args = [NSMutableArray arrayWithObjects:
301 [NSString stringWithFormat:@"-%@", MMNoWindowKey], @"yes", nil];
302 NSString *exeName = [[mainBundle infoDictionary]
303 objectForKey:@"CFBundleExecutable"];
304 NSString *path = [mainBundle pathForAuxiliaryExecutable:exeName];
305 if (!path) {
306 NSLog(@"ERROR: Could not find MacVim executable in bundle.%@",
307 MMSymlinkWarningString);
308 return NO;
309 }
311 [NSTask launchedTaskWithLaunchPath:path arguments:args];
312 #endif
314 // HACK! Poll the mach bootstrap server until it returns a valid
315 // connection to detect that MacVim has finished launching. Also set a
316 // time-out date so that we don't get stuck doing this forever.
317 NSDate *timeOutDate = [NSDate dateWithTimeIntervalSinceNow:10];
318 while (![self connection] &&
319 NSOrderedDescending == [timeOutDate compare:[NSDate date]])
320 [[NSRunLoop currentRunLoop]
321 runMode:NSDefaultRunLoopMode
322 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.1]];
324 // NOTE: [self connection] will set 'connection' as a side-effect.
325 if (!connection) {
326 NSLog(@"WARNING: Timed-out waiting for GUI to launch.");
327 return NO;
328 }
329 }
331 BOOL ok = NO;
332 @try {
333 [[NSNotificationCenter defaultCenter] addObserver:self
334 selector:@selector(connectionDidDie:)
335 name:NSConnectionDidDieNotification object:connection];
337 id proxy = [connection rootProxy];
338 [proxy setProtocolForProxy:@protocol(MMAppProtocol)];
340 int pid = [[NSProcessInfo processInfo] processIdentifier];
342 frontendProxy = [proxy connectBackend:self pid:pid];
343 if (frontendProxy) {
344 [frontendProxy retain];
345 [frontendProxy setProtocolForProxy:@protocol(MMAppProtocol)];
346 ok = YES;
347 }
348 }
349 @catch (NSException *e) {
350 NSLog(@"Exception caught when trying to connect backend: \"%@\"", e);
351 }
353 return ok;
354 }
356 - (BOOL)openGUIWindow
357 {
358 [self queueMessage:OpenWindowMsgID data:nil];
359 return YES;
360 }
362 - (void)clearAll
363 {
364 int type = ClearAllDrawType;
366 // Any draw commands in queue are effectively obsolete since this clearAll
367 // will negate any effect they have, therefore we may as well clear the
368 // draw queue.
369 [self clearDrawData];
371 [drawData appendBytes:&type length:sizeof(int)];
372 }
374 - (void)clearBlockFromRow:(int)row1 column:(int)col1
375 toRow:(int)row2 column:(int)col2
376 {
377 int type = ClearBlockDrawType;
379 [drawData appendBytes:&type length:sizeof(int)];
381 [drawData appendBytes:&defaultBackgroundColor length:sizeof(unsigned)];
382 [drawData appendBytes:&row1 length:sizeof(int)];
383 [drawData appendBytes:&col1 length:sizeof(int)];
384 [drawData appendBytes:&row2 length:sizeof(int)];
385 [drawData appendBytes:&col2 length:sizeof(int)];
386 }
388 - (void)deleteLinesFromRow:(int)row count:(int)count
389 scrollBottom:(int)bottom left:(int)left right:(int)right
390 {
391 int type = DeleteLinesDrawType;
393 [drawData appendBytes:&type length:sizeof(int)];
395 [drawData appendBytes:&defaultBackgroundColor length:sizeof(unsigned)];
396 [drawData appendBytes:&row length:sizeof(int)];
397 [drawData appendBytes:&count length:sizeof(int)];
398 [drawData appendBytes:&bottom length:sizeof(int)];
399 [drawData appendBytes:&left length:sizeof(int)];
400 [drawData appendBytes:&right length:sizeof(int)];
402 if (left == 0 && right == gui.num_cols-1)
403 [self didChangeWholeLine];
404 }
406 - (void)drawString:(char*)s length:(int)len row:(int)row column:(int)col
407 cells:(int)cells flags:(int)flags
408 {
409 if (len <= 0 || cells <= 0) return;
411 int type = DrawStringDrawType;
413 [drawData appendBytes:&type length:sizeof(int)];
415 [drawData appendBytes:&backgroundColor length:sizeof(unsigned)];
416 [drawData appendBytes:&foregroundColor length:sizeof(unsigned)];
417 [drawData appendBytes:&specialColor length:sizeof(unsigned)];
418 [drawData appendBytes:&row length:sizeof(int)];
419 [drawData appendBytes:&col length:sizeof(int)];
420 [drawData appendBytes:&cells length:sizeof(int)];
421 [drawData appendBytes:&flags length:sizeof(int)];
422 [drawData appendBytes:&len length:sizeof(int)];
423 [drawData appendBytes:s length:len];
424 }
426 - (void)insertLinesFromRow:(int)row count:(int)count
427 scrollBottom:(int)bottom left:(int)left right:(int)right
428 {
429 int type = InsertLinesDrawType;
431 [drawData appendBytes:&type length:sizeof(int)];
433 [drawData appendBytes:&defaultBackgroundColor length:sizeof(unsigned)];
434 [drawData appendBytes:&row length:sizeof(int)];
435 [drawData appendBytes:&count length:sizeof(int)];
436 [drawData appendBytes:&bottom length:sizeof(int)];
437 [drawData appendBytes:&left length:sizeof(int)];
438 [drawData appendBytes:&right length:sizeof(int)];
440 if (left == 0 && right == gui.num_cols-1)
441 [self didChangeWholeLine];
442 }
444 - (void)drawCursorAtRow:(int)row column:(int)col shape:(int)shape
445 fraction:(int)percent color:(int)color
446 {
447 int type = DrawCursorDrawType;
448 unsigned uc = MM_COLOR(color);
450 [drawData appendBytes:&type length:sizeof(int)];
452 [drawData appendBytes:&uc length:sizeof(unsigned)];
453 [drawData appendBytes:&row length:sizeof(int)];
454 [drawData appendBytes:&col length:sizeof(int)];
455 [drawData appendBytes:&shape length:sizeof(int)];
456 [drawData appendBytes:&percent length:sizeof(int)];
457 }
459 - (void)drawInvertedRectAtRow:(int)row column:(int)col numRows:(int)nr
460 numColumns:(int)nc invert:(int)invert
461 {
462 int type = DrawInvertedRectDrawType;
463 [drawData appendBytes:&type length:sizeof(int)];
465 [drawData appendBytes:&row length:sizeof(int)];
466 [drawData appendBytes:&col length:sizeof(int)];
467 [drawData appendBytes:&nr length:sizeof(int)];
468 [drawData appendBytes:&nc length:sizeof(int)];
469 [drawData appendBytes:&invert length:sizeof(int)];
470 }
472 - (void)update
473 {
474 // Keep running the run-loop until there is no more input to process.
475 while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true)
476 == kCFRunLoopRunHandledSource)
477 ; // do nothing
478 }
480 - (void)flushQueue:(BOOL)force
481 {
482 // NOTE: This variable allows for better control over when the queue is
483 // flushed. It can be set to YES at the beginning of a sequence of calls
484 // that may potentially add items to the queue, and then restored back to
485 // NO.
486 if (flushDisabled) return;
488 if ([drawData length] > 0) {
489 // HACK! Detect changes to 'guifontwide'.
490 if (gui.wide_font != oldWideFont) {
491 gui_mch_free_font(oldWideFont);
492 oldWideFont = gui_mch_retain_font(gui.wide_font);
493 [self setFont:oldWideFont wide:YES];
494 }
496 int type = SetCursorPosDrawType;
497 [drawData appendBytes:&type length:sizeof(type)];
498 [drawData appendBytes:&gui.row length:sizeof(gui.row)];
499 [drawData appendBytes:&gui.col length:sizeof(gui.col)];
501 [self queueMessage:BatchDrawMsgID data:[drawData copy]];
502 [self clearDrawData];
503 }
505 if ([outputQueue count] > 0) {
506 [self insertVimStateMessage];
508 @try {
509 [frontendProxy processCommandQueue:outputQueue];
510 }
511 @catch (NSException *e) {
512 NSLog(@"Exception caught when processing command queue: \"%@\"", e);
513 NSLog(@"outputQueue(len:%d)=%@", [outputQueue count]/2,
514 outputQueue);
515 if (![connection isValid]) {
516 NSLog(@"WARNING! Connection is invalid, exit now!");
517 NSLog(@"waitForAck=%d got_int=%d", waitForAck, got_int);
518 mch_exit(-1);
519 }
520 }
522 [outputQueue removeAllObjects];
523 }
524 }
526 - (BOOL)waitForInput:(int)milliseconds
527 {
528 // Return NO if we timed out waiting for input, otherwise return YES.
529 BOOL inputReceived = NO;
531 // Only start the run loop if the input queue is empty, otherwise process
532 // the input first so that the input on queue isn't delayed.
533 if ([inputQueue count]) {
534 inputReceived = YES;
535 } else {
536 // Wait for the specified amount of time, unless 'milliseconds' is
537 // negative in which case we wait "forever" (1e6 seconds translates to
538 // approximately 11 days).
539 CFTimeInterval dt = (milliseconds >= 0 ? .001*milliseconds : 1e6);
541 while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, dt, true)
542 == kCFRunLoopRunHandledSource) {
543 // In order to ensure that all input on the run-loop has been
544 // processed we set the timeout to 0 and keep processing until the
545 // run-loop times out.
546 dt = 0.0;
547 inputReceived = YES;
548 }
549 }
551 // The above calls may have placed messages on the input queue so process
552 // it now. This call may enter a blocking loop.
553 if ([inputQueue count] > 0)
554 [self processInputQueue];
556 return inputReceived;
557 }
559 - (void)exit
560 {
561 // NOTE: This is called if mch_exit() is called. Since we assume here that
562 // the process has started properly, be sure to use exit() instead of
563 // mch_exit() to prematurely terminate a process (or set 'isTerminating'
564 // first).
566 // Make sure no connectionDidDie: notification is received now that we are
567 // already exiting.
568 [[NSNotificationCenter defaultCenter] removeObserver:self];
570 // The 'isTerminating' flag indicates that the frontend is also exiting so
571 // there is no need to flush any more output since the frontend won't look
572 // at it anyway.
573 if (!isTerminating && [connection isValid]) {
574 @try {
575 // Flush the entire queue in case a VimLeave autocommand added
576 // something to the queue.
577 [self queueMessage:CloseWindowMsgID data:nil];
578 [frontendProxy processCommandQueue:outputQueue];
579 }
580 @catch (NSException *e) {
581 NSLog(@"Exception caught when sending CloseWindowMsgID: \"%@\"", e);
582 }
584 // NOTE: If Cmd-w was pressed to close the window the menu is briefly
585 // highlighted and during this pause the frontend won't receive any DO
586 // messages. If the Vim process exits before this highlighting has
587 // finished Cocoa will emit the following error message:
588 // *** -[NSMachPort handlePortMessage:]: dropping incoming DO message
589 // because the connection or ports are invalid
590 // To avoid this warning we delay here. If the warning still appears
591 // this delay may need to be increased.
592 usleep(150000);
593 }
595 #ifdef MAC_CLIENTSERVER
596 // The default connection is used for the client/server code.
597 [[NSConnection defaultConnection] setRootObject:nil];
598 [[NSConnection defaultConnection] invalidate];
599 #endif
600 }
602 - (void)selectTab:(int)index
603 {
604 //NSLog(@"%s%d", _cmd, index);
606 index -= 1;
607 NSData *data = [NSData dataWithBytes:&index length:sizeof(int)];
608 [self queueMessage:SelectTabMsgID data:data];
609 }
611 - (void)updateTabBar
612 {
613 //NSLog(@"%s", _cmd);
615 NSMutableData *data = [NSMutableData data];
617 int idx = tabpage_index(curtab) - 1;
618 [data appendBytes:&idx length:sizeof(int)];
620 tabpage_T *tp;
621 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next) {
622 // Count the number of windows in the tabpage.
623 //win_T *wp = tp->tp_firstwin;
624 //int wincount;
625 //for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount);
626 //[data appendBytes:&wincount length:sizeof(int)];
628 int tabProp = MMTabInfoCount;
629 [data appendBytes:&tabProp length:sizeof(int)];
630 for (tabProp = MMTabLabel; tabProp < MMTabInfoCount; ++tabProp) {
631 // This function puts the label of the tab in the global 'NameBuff'.
632 get_tabline_label(tp, (tabProp == MMTabToolTip));
633 NSString *s = [NSString stringWithVimString:NameBuff];
634 int len = [s lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
635 if (len < 0)
636 len = 0;
638 [data appendBytes:&len length:sizeof(int)];
639 if (len > 0)
640 [data appendBytes:[s UTF8String] length:len];
641 }
642 }
644 [self queueMessage:UpdateTabBarMsgID data:data];
645 }
647 - (BOOL)tabBarVisible
648 {
649 return tabBarVisible;
650 }
652 - (void)showTabBar:(BOOL)enable
653 {
654 tabBarVisible = enable;
656 int msgid = enable ? ShowTabBarMsgID : HideTabBarMsgID;
657 [self queueMessage:msgid data:nil];
658 }
660 - (void)setRows:(int)rows columns:(int)cols
661 {
662 //NSLog(@"[VimTask] setRows:%d columns:%d", rows, cols);
664 int dim[] = { rows, cols };
665 NSData *data = [NSData dataWithBytes:&dim length:2*sizeof(int)];
667 [self queueMessage:SetTextDimensionsMsgID data:data];
668 }
670 - (void)setWindowTitle:(char *)title
671 {
672 NSMutableData *data = [NSMutableData data];
673 int len = strlen(title);
674 if (len <= 0) return;
676 [data appendBytes:&len length:sizeof(int)];
677 [data appendBytes:title length:len];
679 [self queueMessage:SetWindowTitleMsgID data:data];
680 }
682 - (void)setDocumentFilename:(char *)filename
683 {
684 NSMutableData *data = [NSMutableData data];
685 int len = filename ? strlen(filename) : 0;
687 [data appendBytes:&len length:sizeof(int)];
688 if (len > 0)
689 [data appendBytes:filename length:len];
691 [self queueMessage:SetDocumentFilenameMsgID data:data];
692 }
694 - (char *)browseForFileWithAttributes:(NSDictionary *)attr
695 {
696 char_u *s = NULL;
698 @try {
699 [frontendProxy showSavePanelWithAttributes:attr];
701 [self waitForDialogReturn];
703 if (dialogReturn && [dialogReturn isKindOfClass:[NSString class]])
704 s = [dialogReturn vimStringSave];
706 [dialogReturn release]; dialogReturn = nil;
707 }
708 @catch (NSException *e) {
709 NSLog(@"Exception caught when showing save panel: \"%@\"", e);
710 }
712 return (char *)s;
713 }
715 - (oneway void)setDialogReturn:(in bycopy id)obj
716 {
717 // NOTE: This is called by
718 // - [MMVimController panelDidEnd:::], and
719 // - [MMVimController alertDidEnd:::],
720 // to indicate that a save/open panel or alert has finished.
722 // We want to distinguish between "no dialog return yet" and "dialog
723 // returned nothing". The former can be tested with dialogReturn == nil,
724 // the latter with dialogReturn == [NSNull null].
725 if (!obj) obj = [NSNull null];
727 if (obj != dialogReturn) {
728 [dialogReturn release];
729 dialogReturn = [obj retain];
730 }
731 }
733 - (int)showDialogWithAttributes:(NSDictionary *)attr textField:(char *)txtfield
734 {
735 int retval = 0;
737 @try {
738 [frontendProxy presentDialogWithAttributes:attr];
740 [self waitForDialogReturn];
742 if (dialogReturn && [dialogReturn isKindOfClass:[NSArray class]]
743 && [dialogReturn count]) {
744 retval = [[dialogReturn objectAtIndex:0] intValue];
745 if (txtfield && [dialogReturn count] > 1) {
746 NSString *retString = [dialogReturn objectAtIndex:1];
747 char_u *ret = (char_u*)[retString UTF8String];
748 #ifdef FEAT_MBYTE
749 ret = CONVERT_FROM_UTF8(ret);
750 #endif
751 vim_strncpy((char_u*)txtfield, ret, IOSIZE - 1);
752 #ifdef FEAT_MBYTE
753 CONVERT_FROM_UTF8_FREE(ret);
754 #endif
755 }
756 }
758 [dialogReturn release]; dialogReturn = nil;
759 }
760 @catch (NSException *e) {
761 NSLog(@"Exception caught while showing alert dialog: \"%@\"", e);
762 }
764 return retval;
765 }
767 - (void)showToolbar:(int)enable flags:(int)flags
768 {
769 NSMutableData *data = [NSMutableData data];
771 [data appendBytes:&enable length:sizeof(int)];
772 [data appendBytes:&flags length:sizeof(int)];
774 [self queueMessage:ShowToolbarMsgID data:data];
775 }
777 - (void)createScrollbarWithIdentifier:(long)ident type:(int)type
778 {
779 NSMutableData *data = [NSMutableData data];
781 [data appendBytes:&ident length:sizeof(long)];
782 [data appendBytes:&type length:sizeof(int)];
784 [self queueMessage:CreateScrollbarMsgID data:data];
785 }
787 - (void)destroyScrollbarWithIdentifier:(long)ident
788 {
789 NSMutableData *data = [NSMutableData data];
790 [data appendBytes:&ident length:sizeof(long)];
792 [self queueMessage:DestroyScrollbarMsgID data:data];
793 }
795 - (void)showScrollbarWithIdentifier:(long)ident state:(int)visible
796 {
797 NSMutableData *data = [NSMutableData data];
799 [data appendBytes:&ident length:sizeof(long)];
800 [data appendBytes:&visible length:sizeof(int)];
802 [self queueMessage:ShowScrollbarMsgID data:data];
803 }
805 - (void)setScrollbarPosition:(int)pos length:(int)len identifier:(long)ident
806 {
807 NSMutableData *data = [NSMutableData data];
809 [data appendBytes:&ident length:sizeof(long)];
810 [data appendBytes:&pos length:sizeof(int)];
811 [data appendBytes:&len length:sizeof(int)];
813 [self queueMessage:SetScrollbarPositionMsgID data:data];
814 }
816 - (void)setScrollbarThumbValue:(long)val size:(long)size max:(long)max
817 identifier:(long)ident
818 {
819 float fval = max-size+1 > 0 ? (float)val/(max-size+1) : 0;
820 float prop = (float)size/(max+1);
821 if (fval < 0) fval = 0;
822 else if (fval > 1.0f) fval = 1.0f;
823 if (prop < 0) prop = 0;
824 else if (prop > 1.0f) prop = 1.0f;
826 NSMutableData *data = [NSMutableData data];
828 [data appendBytes:&ident length:sizeof(long)];
829 [data appendBytes:&fval length:sizeof(float)];
830 [data appendBytes:&prop length:sizeof(float)];
832 [self queueMessage:SetScrollbarThumbMsgID data:data];
833 }
835 - (void)setFont:(GuiFont)font wide:(BOOL)wide
836 {
837 NSString *fontName = (NSString *)font;
838 float size = 0;
839 NSArray *components = [fontName componentsSeparatedByString:@":"];
840 if ([components count] == 2) {
841 size = [[components lastObject] floatValue];
842 fontName = [components objectAtIndex:0];
843 }
845 int len = [fontName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
846 NSMutableData *data = [NSMutableData data];
847 [data appendBytes:&size length:sizeof(float)];
848 [data appendBytes:&len length:sizeof(int)];
850 if (len > 0)
851 [data appendBytes:[fontName UTF8String] length:len];
852 else if (!wide)
853 return; // Only the wide font can be set to nothing
855 [self queueMessage:(wide ? SetWideFontMsgID : SetFontMsgID) data:data];
856 }
858 - (void)executeActionWithName:(NSString *)name
859 {
860 int len = [name lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
862 if (len > 0) {
863 NSMutableData *data = [NSMutableData data];
865 [data appendBytes:&len length:sizeof(int)];
866 [data appendBytes:[name UTF8String] length:len];
868 [self queueMessage:ExecuteActionMsgID data:data];
869 }
870 }
872 - (void)setMouseShape:(int)shape
873 {
874 NSMutableData *data = [NSMutableData data];
875 [data appendBytes:&shape length:sizeof(int)];
876 [self queueMessage:SetMouseShapeMsgID data:data];
877 }
879 - (void)setBlinkWait:(int)wait on:(int)on off:(int)off
880 {
881 // Vim specifies times in milliseconds, whereas Cocoa wants them in
882 // seconds.
883 blinkWaitInterval = .001f*wait;
884 blinkOnInterval = .001f*on;
885 blinkOffInterval = .001f*off;
886 }
888 - (void)startBlink
889 {
890 if (blinkTimer) {
891 [blinkTimer invalidate];
892 [blinkTimer release];
893 blinkTimer = nil;
894 }
896 if (blinkWaitInterval > 0 && blinkOnInterval > 0 && blinkOffInterval > 0
897 && gui.in_focus) {
898 blinkState = MMBlinkStateOn;
899 blinkTimer =
900 [[NSTimer scheduledTimerWithTimeInterval:blinkWaitInterval
901 target:self
902 selector:@selector(blinkTimerFired:)
903 userInfo:nil repeats:NO] retain];
904 gui_update_cursor(TRUE, FALSE);
905 [self flushQueue:YES];
906 }
907 }
909 - (void)stopBlink
910 {
911 if (MMBlinkStateOff == blinkState) {
912 gui_update_cursor(TRUE, FALSE);
913 [self flushQueue:YES];
914 }
916 blinkState = MMBlinkStateNone;
917 }
919 - (void)adjustLinespace:(int)linespace
920 {
921 NSMutableData *data = [NSMutableData data];
922 [data appendBytes:&linespace length:sizeof(int)];
923 [self queueMessage:AdjustLinespaceMsgID data:data];
924 }
926 - (void)activate
927 {
928 [self queueMessage:ActivateMsgID data:nil];
929 }
931 - (void)setPreEditRow:(int)row column:(int)col
932 {
933 NSMutableData *data = [NSMutableData data];
934 [data appendBytes:&row length:sizeof(int)];
935 [data appendBytes:&col length:sizeof(int)];
936 [self queueMessage:SetPreEditPositionMsgID data:data];
937 }
939 - (int)lookupColorWithKey:(NSString *)key
940 {
941 if (!(key && [key length] > 0))
942 return INVALCOLOR;
944 NSString *stripKey = [[[[key lowercaseString]
945 stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]
946 componentsSeparatedByString:@" "]
947 componentsJoinedByString:@""];
949 if (stripKey && [stripKey length] > 0) {
950 // First of all try to lookup key in the color dictionary; note that
951 // all keys in this dictionary are lowercase with no whitespace.
952 id obj = [colorDict objectForKey:stripKey];
953 if (obj) return [obj intValue];
955 // The key was not in the dictionary; is it perhaps of the form
956 // #rrggbb?
957 if ([stripKey length] > 1 && [stripKey characterAtIndex:0] == '#') {
958 NSScanner *scanner = [NSScanner scannerWithString:stripKey];
959 [scanner setScanLocation:1];
960 unsigned hex = 0;
961 if ([scanner scanHexInt:&hex]) {
962 return (int)hex;
963 }
964 }
966 // As a last resort, check if it is one of the system defined colors.
967 // The keys in this dictionary are also lowercase with no whitespace.
968 obj = [sysColorDict objectForKey:stripKey];
969 if (obj) {
970 NSColor *col = [NSColor performSelector:NSSelectorFromString(obj)];
971 if (col) {
972 float r, g, b, a;
973 col = [col colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
974 [col getRed:&r green:&g blue:&b alpha:&a];
975 return (((int)(r*255+.5f) & 0xff) << 16)
976 + (((int)(g*255+.5f) & 0xff) << 8)
977 + ((int)(b*255+.5f) & 0xff);
978 }
979 }
980 }
982 //NSLog(@"WARNING: No color with key %@ found.", stripKey);
983 return INVALCOLOR;
984 }
986 - (BOOL)hasSpecialKeyWithValue:(NSString *)value
987 {
988 NSEnumerator *e = [[MMBackend specialKeys] objectEnumerator];
989 id obj;
991 while ((obj = [e nextObject])) {
992 if ([value isEqual:obj])
993 return YES;
994 }
996 return NO;
997 }
999 - (void)enterFullscreen:(int)fuoptions background:(int)bg
1000 {
1001 NSMutableData *data = [NSMutableData data];
1002 [data appendBytes:&fuoptions length:sizeof(int)];
1003 bg = MM_COLOR(bg);
1004 [data appendBytes:&bg length:sizeof(int)];
1005 [self queueMessage:EnterFullscreenMsgID data:data];
1006 }
1008 - (void)leaveFullscreen
1009 {
1010 [self queueMessage:LeaveFullscreenMsgID data:nil];
1011 }
1013 - (void)setFullscreenBackgroundColor:(int)color
1014 {
1015 NSMutableData *data = [NSMutableData data];
1016 color = MM_COLOR(color);
1017 [data appendBytes:&color length:sizeof(int)];
1019 [self queueMessage:SetFullscreenColorMsgID data:data];
1020 }
1022 - (void)setAntialias:(BOOL)antialias
1023 {
1024 int msgid = antialias ? EnableAntialiasMsgID : DisableAntialiasMsgID;
1026 [self queueMessage:msgid data:nil];
1027 }
1029 - (void)updateModifiedFlag
1030 {
1031 // Notify MacVim if _any_ buffer has changed from unmodified to modified or
1032 // vice versa.
1033 int msgid = [self checkForModifiedBuffers]
1034 ? BuffersModifiedMsgID : BuffersNotModifiedMsgID;
1036 [self queueMessage:msgid data:nil];
1037 }
1039 - (oneway void)processInput:(int)msgid data:(in bycopy NSData *)data
1040 {
1041 // Look for Cmd-. and Ctrl-C immediately instead of waiting until the input
1042 // queue is processed since that only happens in waitForInput: (and Vim
1043 // regularly checks for Ctrl-C in between waiting for input).
1044 // Similarly, TerminateNowMsgID must be checked immediately otherwise code
1045 // which waits on the run loop will fail to detect this message (e.g. in
1046 // waitForConnectionAcknowledgement).
1048 if (InsertTextMsgID == msgid && data != nil) {
1049 const void *bytes = [data bytes];
1050 bytes += sizeof(int);
1051 int len = *((int*)bytes); bytes += sizeof(int);
1052 if (1 == len) {
1053 char_u *str = (char_u*)bytes;
1054 if ((str[0] == Ctrl_C && ctrl_c_interrupts) ||
1055 (str[0] == intr_char && intr_char != Ctrl_C)) {
1056 got_int = TRUE;
1057 [inputQueue removeAllObjects];
1058 return;
1059 }
1060 }
1061 } else if (TerminateNowMsgID == msgid) {
1062 // Terminate immediately (the frontend is about to quit or this process
1063 // was aborted).
1064 isTerminating = YES;
1065 mch_exit(0);
1066 return;
1067 }
1069 // Remove all previous instances of this message from the input queue, else
1070 // the input queue may fill up as a result of Vim not being able to keep up
1071 // with the speed at which new messages are received.
1072 // Keyboard input is never dropped, unless the input represents and
1073 // auto-repeated key.
1075 BOOL isKeyRepeat = NO;
1076 BOOL isKeyboardInput = NO;
1078 if (data && (InsertTextMsgID == msgid || KeyDownMsgID == msgid ||
1079 CmdKeyMsgID == msgid)) {
1080 isKeyboardInput = YES;
1082 // The lowest bit of the first int is set if this key is a repeat.
1083 int flags = *((int*)[data bytes]);
1084 if (flags & 1)
1085 isKeyRepeat = YES;
1086 }
1088 // Keyboard input is not removed from the queue; repeats are ignored if
1089 // there already is keyboard input on the input queue.
1090 if (isKeyRepeat || !isKeyboardInput) {
1091 int i, count = [inputQueue count];
1092 for (i = 1; i < count; i+=2) {
1093 if ([[inputQueue objectAtIndex:i-1] intValue] == msgid) {
1094 if (isKeyRepeat)
1095 return;
1097 [inputQueue removeObjectAtIndex:i];
1098 [inputQueue removeObjectAtIndex:i-1];
1099 break;
1100 }
1101 }
1102 }
1104 [inputQueue addObject:[NSNumber numberWithInt:msgid]];
1105 [inputQueue addObject:(data ? (id)data : [NSNull null])];
1106 }
1108 - (oneway void)processInputAndData:(in bycopy NSArray *)messages
1109 {
1110 // This is just a convenience method that allows the frontend to delay
1111 // sending messages.
1112 int i, count = [messages count];
1113 for (i = 1; i < count; i+=2)
1114 [self processInput:[[messages objectAtIndex:i-1] intValue]
1115 data:[messages objectAtIndex:i]];
1116 }
1118 - (id)evaluateExpressionCocoa:(in bycopy NSString *)expr
1119 errorString:(out bycopy NSString **)errstr
1120 {
1121 return evalExprCocoa(expr, errstr);
1122 }
1125 - (NSString *)evaluateExpression:(in bycopy NSString *)expr
1126 {
1127 NSString *eval = nil;
1128 char_u *s = (char_u*)[expr UTF8String];
1130 #ifdef FEAT_MBYTE
1131 s = CONVERT_FROM_UTF8(s);
1132 #endif
1134 char_u *res = eval_client_expr_to_string(s);
1136 #ifdef FEAT_MBYTE
1137 CONVERT_FROM_UTF8_FREE(s);
1138 #endif
1140 if (res != NULL) {
1141 s = res;
1142 #ifdef FEAT_MBYTE
1143 s = CONVERT_TO_UTF8(s);
1144 #endif
1145 eval = [NSString stringWithUTF8String:(char*)s];
1146 #ifdef FEAT_MBYTE
1147 CONVERT_TO_UTF8_FREE(s);
1148 #endif
1149 vim_free(res);
1150 }
1152 return eval;
1153 }
1155 - (BOOL)starRegisterToPasteboard:(byref NSPasteboard *)pboard
1156 {
1157 // TODO: This method should share code with clip_mch_request_selection().
1159 if (VIsual_active && (State & NORMAL) && clip_star.available) {
1160 // If there is no pasteboard, return YES to indicate that there is text
1161 // to copy.
1162 if (!pboard)
1163 return YES;
1165 clip_copy_selection();
1167 // Get the text to put on the pasteboard.
1168 long_u llen = 0; char_u *str = 0;
1169 int type = clip_convert_selection(&str, &llen, &clip_star);
1170 if (type < 0)
1171 return NO;
1173 // TODO: Avoid overflow.
1174 int len = (int)llen;
1175 #ifdef FEAT_MBYTE
1176 if (output_conv.vc_type != CONV_NONE) {
1177 char_u *conv_str = string_convert(&output_conv, str, &len);
1178 if (conv_str) {
1179 vim_free(str);
1180 str = conv_str;
1181 }
1182 }
1183 #endif
1185 NSString *string = [[NSString alloc]
1186 initWithBytes:str length:len encoding:NSUTF8StringEncoding];
1188 NSArray *types = [NSArray arrayWithObject:NSStringPboardType];
1189 [pboard declareTypes:types owner:nil];
1190 BOOL ok = [pboard setString:string forType:NSStringPboardType];
1192 [string release];
1193 vim_free(str);
1195 return ok;
1196 }
1198 return NO;
1199 }
1201 - (oneway void)addReply:(in bycopy NSString *)reply
1202 server:(in byref id <MMVimServerProtocol>)server
1203 {
1204 //NSLog(@"addReply:%@ server:%@", reply, (id)server);
1206 // Replies might come at any time and in any order so we keep them in an
1207 // array inside a dictionary with the send port used as key.
1209 NSConnection *conn = [(NSDistantObject*)server connectionForProxy];
1210 // HACK! Assume connection uses mach ports.
1211 int port = [(NSMachPort*)[conn sendPort] machPort];
1212 NSNumber *key = [NSNumber numberWithInt:port];
1214 NSMutableArray *replies = [serverReplyDict objectForKey:key];
1215 if (!replies) {
1216 replies = [NSMutableArray array];
1217 [serverReplyDict setObject:replies forKey:key];
1218 }
1220 [replies addObject:reply];
1221 }
1223 - (void)addInput:(in bycopy NSString *)input
1224 client:(in byref id <MMVimClientProtocol>)client
1225 {
1226 //NSLog(@"addInput:%@ client:%@", input, (id)client);
1228 // NOTE: We don't call addInput: here because it differs from
1229 // server_to_input_buf() in that it always sets the 'silent' flag and we
1230 // don't want the MacVim client/server code to behave differently from
1231 // other platforms.
1232 char_u *s = [input vimStringSave];
1233 server_to_input_buf(s);
1234 vim_free(s);
1236 [self addClient:(id)client];
1237 }
1239 - (NSString *)evaluateExpression:(in bycopy NSString *)expr
1240 client:(in byref id <MMVimClientProtocol>)client
1241 {
1242 [self addClient:(id)client];
1243 return [self evaluateExpression:expr];
1244 }
1246 - (void)registerServerWithName:(NSString *)name
1247 {
1248 NSString *svrName = name;
1249 NSConnection *svrConn = [NSConnection defaultConnection];
1250 unsigned i;
1252 for (i = 0; i < MMServerMax; ++i) {
1253 NSString *connName = [self connectionNameFromServerName:svrName];
1255 if ([svrConn registerName:connName]) {
1256 //NSLog(@"Registered server with name: %@", svrName);
1258 // TODO: Set request/reply time-outs to something else?
1259 //
1260 // Don't wait for requests (time-out means that the message is
1261 // dropped).
1262 [svrConn setRequestTimeout:0];
1263 //[svrConn setReplyTimeout:MMReplyTimeout];
1264 [svrConn setRootObject:self];
1266 // NOTE: 'serverName' is a global variable
1267 serverName = [svrName vimStringSave];
1268 #ifdef FEAT_EVAL
1269 set_vim_var_string(VV_SEND_SERVER, serverName, -1);
1270 #endif
1271 #ifdef FEAT_TITLE
1272 need_maketitle = TRUE;
1273 #endif
1274 [self queueMessage:SetServerNameMsgID data:
1275 [svrName dataUsingEncoding:NSUTF8StringEncoding]];
1276 break;
1277 }
1279 svrName = [NSString stringWithFormat:@"%@%d", name, i+1];
1280 }
1281 }
1283 - (BOOL)sendToServer:(NSString *)name string:(NSString *)string
1284 reply:(char_u **)reply port:(int *)port expression:(BOOL)expr
1285 silent:(BOOL)silent
1286 {
1287 // NOTE: If 'name' equals 'serverName' then the request is local (client
1288 // and server are the same). This case is not handled separately, so a
1289 // connection will be set up anyway (this simplifies the code).
1291 NSConnection *conn = [self connectionForServerName:name];
1292 if (!conn) {
1293 if (!silent) {
1294 char_u *s = (char_u*)[name UTF8String];
1295 #ifdef FEAT_MBYTE
1296 s = CONVERT_FROM_UTF8(s);
1297 #endif
1298 EMSG2(_(e_noserver), s);
1299 #ifdef FEAT_MBYTE
1300 CONVERT_FROM_UTF8_FREE(s);
1301 #endif
1302 }
1303 return NO;
1304 }
1306 if (port) {
1307 // HACK! Assume connection uses mach ports.
1308 *port = [(NSMachPort*)[conn sendPort] machPort];
1309 }
1311 id proxy = [conn rootProxy];
1312 [proxy setProtocolForProxy:@protocol(MMVimServerProtocol)];
1314 @try {
1315 if (expr) {
1316 NSString *eval = [proxy evaluateExpression:string client:self];
1317 if (reply) {
1318 if (eval) {
1319 *reply = [eval vimStringSave];
1320 } else {
1321 *reply = vim_strsave((char_u*)_(e_invexprmsg));
1322 }
1323 }
1325 if (!eval)
1326 return NO;
1327 } else {
1328 [proxy addInput:string client:self];
1329 }
1330 }
1331 @catch (NSException *e) {
1332 NSLog(@"WARNING: Caught exception in %s: \"%@\"", _cmd, e);
1333 return NO;
1334 }
1336 return YES;
1337 }
1339 - (NSArray *)serverList
1340 {
1341 NSArray *list = nil;
1343 if ([self connection]) {
1344 id proxy = [connection rootProxy];
1345 [proxy setProtocolForProxy:@protocol(MMAppProtocol)];
1347 @try {
1348 list = [proxy serverList];
1349 }
1350 @catch (NSException *e) {
1351 NSLog(@"Exception caught when listing servers: \"%@\"", e);
1352 }
1353 } else {
1354 EMSG(_("E???: No connection to MacVim, server listing not possible."));
1355 }
1357 return list;
1358 }
1360 - (NSString *)peekForReplyOnPort:(int)port
1361 {
1362 //NSLog(@"%s%d", _cmd, port);
1364 NSNumber *key = [NSNumber numberWithInt:port];
1365 NSMutableArray *replies = [serverReplyDict objectForKey:key];
1366 if (replies && [replies count]) {
1367 //NSLog(@" %d replies, topmost is: %@", [replies count],
1368 // [replies objectAtIndex:0]);
1369 return [replies objectAtIndex:0];
1370 }
1372 //NSLog(@" No replies");
1373 return nil;
1374 }
1376 - (NSString *)waitForReplyOnPort:(int)port
1377 {
1378 //NSLog(@"%s%d", _cmd, port);
1380 NSConnection *conn = [self connectionForServerPort:port];
1381 if (!conn)
1382 return nil;
1384 NSNumber *key = [NSNumber numberWithInt:port];
1385 NSMutableArray *replies = nil;
1386 NSString *reply = nil;
1388 // Wait for reply as long as the connection to the server is valid (unless
1389 // user interrupts wait with Ctrl-C).
1390 while (!got_int && [conn isValid] &&
1391 !(replies = [serverReplyDict objectForKey:key])) {
1392 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
1393 beforeDate:[NSDate distantFuture]];
1394 }
1396 if (replies) {
1397 if ([replies count] > 0) {
1398 reply = [[replies objectAtIndex:0] retain];
1399 //NSLog(@" Got reply: %@", reply);
1400 [replies removeObjectAtIndex:0];
1401 [reply autorelease];
1402 }
1404 if ([replies count] == 0)
1405 [serverReplyDict removeObjectForKey:key];
1406 }
1408 return reply;
1409 }
1411 - (BOOL)sendReply:(NSString *)reply toPort:(int)port
1412 {
1413 id client = [clientProxyDict objectForKey:[NSNumber numberWithInt:port]];
1414 if (client) {
1415 @try {
1416 //NSLog(@"sendReply:%@ toPort:%d", reply, port);
1417 [client addReply:reply server:self];
1418 return YES;
1419 }
1420 @catch (NSException *e) {
1421 NSLog(@"WARNING: Exception caught in %s: \"%@\"", _cmd, e);
1422 }
1423 } else {
1424 EMSG2(_("E???: server2client failed; no client with id 0x%x"), port);
1425 }
1427 return NO;
1428 }
1430 - (BOOL)waitForAck
1431 {
1432 return waitForAck;
1433 }
1435 - (void)setWaitForAck:(BOOL)yn
1436 {
1437 waitForAck = yn;
1438 }
1440 - (void)waitForConnectionAcknowledgement
1441 {
1442 if (!waitForAck) return;
1444 while (waitForAck && !got_int && [connection isValid]) {
1445 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
1446 beforeDate:[NSDate distantFuture]];
1447 //NSLog(@" waitForAck=%d got_int=%d isValid=%d",
1448 // waitForAck, got_int, [connection isValid]);
1449 }
1451 if (waitForAck) {
1452 // Never received a connection acknowledgement, so die.
1453 [[NSNotificationCenter defaultCenter] removeObserver:self];
1454 [frontendProxy release]; frontendProxy = nil;
1456 // NOTE: We intentionally do not call mch_exit() since this in turn
1457 // will lead to -[MMBackend exit] getting called which we want to
1458 // avoid.
1459 exit(0);
1460 }
1462 [self processInputQueue];
1463 }
1465 - (oneway void)acknowledgeConnection
1466 {
1467 //NSLog(@"%s", _cmd);
1468 waitForAck = NO;
1469 }
1471 @end // MMBackend
1475 @implementation MMBackend (Private)
1477 - (void)clearDrawData
1478 {
1479 [drawData setLength:0];
1480 numWholeLineChanges = offsetForDrawDataPrune = 0;
1481 }
1483 - (void)didChangeWholeLine
1484 {
1485 // It may happen that draw queue is filled up with lots of changes that
1486 // affect a whole row. If the number of such changes equals twice the
1487 // number of visible rows then we can prune some commands off the queue.
1488 //
1489 // NOTE: If we don't perform this pruning the draw queue may grow
1490 // indefinitely if Vim were to repeatedly send draw commands without ever
1491 // waiting for new input (that's when the draw queue is flushed). The one
1492 // instance I know where this can happen is when a command is executed in
1493 // the shell (think ":grep" with thousands of matches).
1495 ++numWholeLineChanges;
1496 if (numWholeLineChanges == gui.num_rows) {
1497 // Remember the offset to prune up to.
1498 offsetForDrawDataPrune = [drawData length];
1499 } else if (numWholeLineChanges == 2*gui.num_rows) {
1500 // Delete all the unnecessary draw commands.
1501 NSMutableData *d = [[NSMutableData alloc]
1502 initWithBytes:[drawData bytes] + offsetForDrawDataPrune
1503 length:[drawData length] - offsetForDrawDataPrune];
1504 offsetForDrawDataPrune = [d length];
1505 numWholeLineChanges -= gui.num_rows;
1506 [drawData release];
1507 drawData = d;
1508 }
1509 }
1511 - (void)waitForDialogReturn
1512 {
1513 // Keep processing the run loop until a dialog returns. To avoid getting
1514 // stuck in an endless loop (could happen if the setDialogReturn: message
1515 // was lost) we also do some paranoia checks.
1516 //
1517 // Note that in Cocoa the user can still resize windows and select menu
1518 // items while a sheet is being displayed, so we can't just wait for the
1519 // first message to arrive and assume that is the setDialogReturn: call.
1521 while (nil == dialogReturn && !got_int && [connection isValid])
1522 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
1523 beforeDate:[NSDate distantFuture]];
1525 // Search for any resize messages on the input queue. All other messages
1526 // on the input queue are dropped. The reason why we single out resize
1527 // messages is because the user may have resized the window while a sheet
1528 // was open.
1529 int i, count = [inputQueue count];
1530 if (count > 0) {
1531 id textDimData = nil;
1532 if (count%2 == 0) {
1533 for (i = count-2; i >= 0; i -= 2) {
1534 int msgid = [[inputQueue objectAtIndex:i] intValue];
1535 if (SetTextDimensionsMsgID == msgid) {
1536 textDimData = [[inputQueue objectAtIndex:i+1] retain];
1537 break;
1538 }
1539 }
1540 }
1542 [inputQueue removeAllObjects];
1544 if (textDimData) {
1545 [inputQueue addObject:
1546 [NSNumber numberWithInt:SetTextDimensionsMsgID]];
1547 [inputQueue addObject:textDimData];
1548 [textDimData release];
1549 }
1550 }
1551 }
1553 - (void)insertVimStateMessage
1554 {
1555 // NOTE: This is the place to add Vim state that needs to be accessed from
1556 // MacVim. Do not add state that could potentially require lots of memory
1557 // since this message gets sent each time the output queue is forcibly
1558 // flushed (e.g. storing the currently selected text would be a bad idea).
1559 // We take this approach of "pushing" the state to MacVim to avoid having
1560 // to make synchronous calls from MacVim to Vim in order to get state.
1562 BOOL mmta = curbuf ? curbuf->b_p_mmta : NO;
1563 int numTabs = tabpage_index(NULL) - 1;
1564 if (numTabs < 0)
1565 numTabs = 0;
1567 NSDictionary *vimState = [NSDictionary dictionaryWithObjectsAndKeys:
1568 [[NSFileManager defaultManager] currentDirectoryPath], @"pwd",
1569 [NSNumber numberWithInt:p_mh], @"p_mh",
1570 [NSNumber numberWithBool:[self unusedEditor]], @"unusedEditor",
1571 [NSNumber numberWithBool:mmta], @"p_mmta",
1572 [NSNumber numberWithInt:numTabs], @"numTabs",
1573 nil];
1575 // Put the state before all other messages.
1576 int msgid = SetVimStateMsgID;
1577 [outputQueue insertObject:[vimState dictionaryAsData] atIndex:0];
1578 [outputQueue insertObject:[NSData dataWithBytes:&msgid length:sizeof(int)]
1579 atIndex:0];
1580 }
1582 - (void)processInputQueue
1583 {
1584 if ([inputQueue count] == 0) return;
1586 // NOTE: One of the input events may cause this method to be called
1587 // recursively, so copy the input queue to a local variable and clear the
1588 // queue before starting to process input events (otherwise we could get
1589 // stuck in an endless loop).
1590 NSArray *q = [inputQueue copy];
1591 unsigned i, count = [q count];
1593 [inputQueue removeAllObjects];
1595 for (i = 1; i < count; i+=2) {
1596 int msgid = [[q objectAtIndex:i-1] intValue];
1597 id data = [q objectAtIndex:i];
1598 if ([data isEqual:[NSNull null]])
1599 data = nil;
1601 //NSLog(@"(%d) %s:%s", i, _cmd, MessageStrings[msgid]);
1602 [self handleInputEvent:msgid data:data];
1603 }
1605 [q release];
1606 //NSLog(@"Clear input event queue");
1607 }
1609 - (void)handleInputEvent:(int)msgid data:(NSData *)data
1610 {
1611 if (InsertTextMsgID == msgid || KeyDownMsgID == msgid ||
1612 CmdKeyMsgID == msgid) {
1613 if (!data) return;
1614 const void *bytes = [data bytes];
1615 int mods = *((int*)bytes); bytes += sizeof(int);
1616 int len = *((int*)bytes); bytes += sizeof(int);
1617 NSString *key = [[NSString alloc] initWithBytes:bytes
1618 length:len
1619 encoding:NSUTF8StringEncoding];
1620 mods = eventModifierFlagsToVimModMask(mods);
1622 if (InsertTextMsgID == msgid)
1623 [self handleInsertText:key];
1624 else
1625 [self handleKeyDown:key modifiers:mods];
1627 [key release];
1628 } else if (ScrollWheelMsgID == msgid) {
1629 if (!data) return;
1630 const void *bytes = [data bytes];
1632 int row = *((int*)bytes); bytes += sizeof(int);
1633 int col = *((int*)bytes); bytes += sizeof(int);
1634 int flags = *((int*)bytes); bytes += sizeof(int);
1635 float dy = *((float*)bytes); bytes += sizeof(float);
1637 int button = MOUSE_5;
1638 if (dy > 0) button = MOUSE_4;
1640 flags = eventModifierFlagsToVimMouseModMask(flags);
1642 int numLines = (int)round(dy);
1643 if (numLines < 0) numLines = -numLines;
1644 if (numLines == 0) numLines = 1;
1646 #ifdef FEAT_GUI_SCROLL_WHEEL_FORCE
1647 gui.scroll_wheel_force = numLines;
1648 #endif
1650 gui_send_mouse_event(button, col, row, NO, flags);
1651 } else if (MouseDownMsgID == msgid) {
1652 if (!data) return;
1653 const void *bytes = [data bytes];
1655 int row = *((int*)bytes); bytes += sizeof(int);
1656 int col = *((int*)bytes); bytes += sizeof(int);
1657 int button = *((int*)bytes); bytes += sizeof(int);
1658 int flags = *((int*)bytes); bytes += sizeof(int);
1659 int count = *((int*)bytes); bytes += sizeof(int);
1661 button = eventButtonNumberToVimMouseButton(button);
1662 if (button >= 0) {
1663 flags = eventModifierFlagsToVimMouseModMask(flags);
1664 gui_send_mouse_event(button, col, row, count>1, flags);
1665 }
1666 } else if (MouseUpMsgID == msgid) {
1667 if (!data) return;
1668 const void *bytes = [data bytes];
1670 int row = *((int*)bytes); bytes += sizeof(int);
1671 int col = *((int*)bytes); bytes += sizeof(int);
1672 int flags = *((int*)bytes); bytes += sizeof(int);
1674 flags = eventModifierFlagsToVimMouseModMask(flags);
1676 gui_send_mouse_event(MOUSE_RELEASE, col, row, NO, flags);
1677 } else if (MouseDraggedMsgID == msgid) {
1678 if (!data) return;
1679 const void *bytes = [data bytes];
1681 int row = *((int*)bytes); bytes += sizeof(int);
1682 int col = *((int*)bytes); bytes += sizeof(int);
1683 int flags = *((int*)bytes); bytes += sizeof(int);
1685 flags = eventModifierFlagsToVimMouseModMask(flags);
1687 gui_send_mouse_event(MOUSE_DRAG, col, row, NO, flags);
1688 } else if (MouseMovedMsgID == msgid) {
1689 const void *bytes = [data bytes];
1690 int row = *((int*)bytes); bytes += sizeof(int);
1691 int col = *((int*)bytes); bytes += sizeof(int);
1693 gui_mouse_moved(col, row);
1694 } else if (AddInputMsgID == msgid) {
1695 NSString *string = [[NSString alloc] initWithData:data
1696 encoding:NSUTF8StringEncoding];
1697 if (string) {
1698 [self addInput:string];
1699 [string release];
1700 }
1701 } else if (SelectTabMsgID == msgid) {
1702 if (!data) return;
1703 const void *bytes = [data bytes];
1704 int idx = *((int*)bytes) + 1;
1705 //NSLog(@"Selecting tab %d", idx);
1706 send_tabline_event(idx);
1707 } else if (CloseTabMsgID == msgid) {
1708 if (!data) return;
1709 const void *bytes = [data bytes];
1710 int idx = *((int*)bytes) + 1;
1711 //NSLog(@"Closing tab %d", idx);
1712 send_tabline_menu_event(idx, TABLINE_MENU_CLOSE);
1713 } else if (AddNewTabMsgID == msgid) {
1714 //NSLog(@"Adding new tab");
1715 send_tabline_menu_event(0, TABLINE_MENU_NEW);
1716 } else if (DraggedTabMsgID == msgid) {
1717 if (!data) return;
1718 const void *bytes = [data bytes];
1719 // NOTE! The destination index is 0 based, so do not add 1 to make it 1
1720 // based.
1721 int idx = *((int*)bytes);
1723 tabpage_move(idx);
1724 } else if (SetTextDimensionsMsgID == msgid || LiveResizeMsgID == msgid
1725 || SetTextRowsMsgID == msgid || SetTextColumnsMsgID == msgid) {
1726 if (!data) return;
1727 const void *bytes = [data bytes];
1728 int rows = Rows;
1729 if (SetTextColumnsMsgID != msgid) {
1730 rows = *((int*)bytes); bytes += sizeof(int);
1731 }
1732 int cols = Columns;
1733 if (SetTextRowsMsgID != msgid) {
1734 cols = *((int*)bytes); bytes += sizeof(int);
1735 }
1737 NSData *d = data;
1738 if (SetTextRowsMsgID == msgid || SetTextColumnsMsgID == msgid) {
1739 int dim[2] = { rows, cols };
1740 d = [NSData dataWithBytes:dim length:2*sizeof(int)];
1741 msgid = SetTextDimensionsReplyMsgID;
1742 }
1744 if (SetTextDimensionsMsgID == msgid)
1745 msgid = SetTextDimensionsReplyMsgID;
1747 // NOTE! Vim doesn't call gui_mch_set_shellsize() after
1748 // gui_resize_shell(), so we have to manually set the rows and columns
1749 // here since MacVim doesn't change the rows and columns to avoid
1750 // inconsistent states between Vim and MacVim. The message sent back
1751 // indicates that it is a reply to a message that originated in MacVim
1752 // since we need to be able to determine where a message originated.
1753 [self queueMessage:msgid data:d];
1755 //NSLog(@"[VimTask] Resizing shell to %dx%d.", cols, rows);
1756 gui_resize_shell(cols, rows);
1757 } else if (ExecuteMenuMsgID == msgid) {
1758 NSDictionary *attrs = [NSDictionary dictionaryWithData:data];
1759 if (attrs) {
1760 NSArray *desc = [attrs objectForKey:@"descriptor"];
1761 vimmenu_T *menu = menu_for_descriptor(desc);
1762 if (menu)
1763 gui_menu_cb(menu);
1764 }
1765 } else if (ToggleToolbarMsgID == msgid) {
1766 [self handleToggleToolbar];
1767 } else if (ScrollbarEventMsgID == msgid) {
1768 [self handleScrollbarEvent:data];
1769 } else if (SetFontMsgID == msgid) {
1770 [self handleSetFont:data];
1771 } else if (VimShouldCloseMsgID == msgid) {
1772 gui_shell_closed();
1773 } else if (DropFilesMsgID == msgid) {
1774 [self handleDropFiles:data];
1775 } else if (DropStringMsgID == msgid) {
1776 [self handleDropString:data];
1777 } else if (GotFocusMsgID == msgid) {
1778 if (!gui.in_focus)
1779 [self focusChange:YES];
1780 } else if (LostFocusMsgID == msgid) {
1781 if (gui.in_focus)
1782 [self focusChange:NO];
1783 } else if (SetMouseShapeMsgID == msgid) {
1784 const void *bytes = [data bytes];
1785 int shape = *((int*)bytes); bytes += sizeof(int);
1786 update_mouseshape(shape);
1787 } else if (XcodeModMsgID == msgid) {
1788 [self handleXcodeMod:data];
1789 } else if (OpenWithArgumentsMsgID == msgid) {
1790 [self handleOpenWithArguments:[NSDictionary dictionaryWithData:data]];
1791 } else if (FindReplaceMsgID == msgid) {
1792 [self handleFindReplace:[NSDictionary dictionaryWithData:data]];
1793 } else {
1794 NSLog(@"WARNING: Unknown message received (msgid=%d)", msgid);
1795 }
1796 }
1798 + (NSDictionary *)specialKeys
1799 {
1800 static NSDictionary *specialKeys = nil;
1802 if (!specialKeys) {
1803 NSBundle *mainBundle = [NSBundle mainBundle];
1804 NSString *path = [mainBundle pathForResource:@"SpecialKeys"
1805 ofType:@"plist"];
1806 specialKeys = [[NSDictionary alloc] initWithContentsOfFile:path];
1807 }
1809 return specialKeys;
1810 }
1812 - (void)handleInsertText:(NSString *)text
1813 {
1814 if (!text) return;
1816 char_u *str = (char_u*)[text UTF8String];
1817 int i, len = [text lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
1819 #ifdef FEAT_MBYTE
1820 char_u *conv_str = NULL;
1821 if (input_conv.vc_type != CONV_NONE) {
1822 conv_str = string_convert(&input_conv, str, &len);
1823 if (conv_str)
1824 str = conv_str;
1825 }
1826 #endif
1828 for (i = 0; i < len; ++i) {
1829 add_to_input_buf(str+i, 1);
1830 if (CSI == str[i]) {
1831 // NOTE: If the converted string contains the byte CSI, then it
1832 // must be followed by the bytes KS_EXTRA, KE_CSI or things
1833 // won't work.
1834 static char_u extra[2] = { KS_EXTRA, KE_CSI };
1835 add_to_input_buf(extra, 2);
1836 }
1837 }
1839 #ifdef FEAT_MBYTE
1840 if (conv_str)
1841 vim_free(conv_str);
1842 #endif
1843 }
1845 - (void)handleKeyDown:(NSString *)key modifiers:(int)mods
1846 {
1847 // TODO: This code is a horrible mess -- clean up!
1848 char_u special[3];
1849 char_u modChars[3];
1850 char_u *chars = (char_u*)[key UTF8String];
1851 #ifdef FEAT_MBYTE
1852 char_u *conv_str = NULL;
1853 #endif
1854 int length = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
1856 // Special keys (arrow keys, function keys, etc.) are stored in a plist so
1857 // that new keys can easily be added.
1858 NSString *specialString = [[MMBackend specialKeys]
1859 objectForKey:key];
1860 if (specialString && [specialString length] > 1) {
1861 //NSLog(@"special key: %@", specialString);
1862 int ikey = TO_SPECIAL([specialString characterAtIndex:0],
1863 [specialString characterAtIndex:1]);
1865 ikey = simplify_key(ikey, &mods);
1866 if (ikey == CSI)
1867 ikey = K_CSI;
1869 special[0] = CSI;
1870 special[1] = K_SECOND(ikey);
1871 special[2] = K_THIRD(ikey);
1873 chars = special;
1874 length = 3;
1875 } else if (1 == length && TAB == chars[0]) {
1876 // Tab is a trouble child:
1877 // - <Tab> is added to the input buffer as is
1878 // - <S-Tab> is translated to, {CSI,'k','B'} (i.e. 'Back-tab')
1879 // - <M-Tab> should be 0x80|TAB but this is not valid utf-8 so it needs
1880 // to be converted to utf-8
1881 // - <S-M-Tab> is translated to <S-Tab> with ALT modifier
1882 // - <C-Tab> is reserved by Mac OS X
1883 // - <D-Tab> is reserved by Mac OS X
1884 chars = special;
1885 special[0] = TAB;
1886 length = 1;
1888 if (mods & MOD_MASK_SHIFT) {
1889 mods &= ~MOD_MASK_SHIFT;
1890 special[0] = CSI;
1891 special[1] = K_SECOND(K_S_TAB);
1892 special[2] = K_THIRD(K_S_TAB);
1893 length = 3;
1894 } else if (mods & MOD_MASK_ALT) {
1895 int mtab = 0x80 | TAB;
1896 #ifdef FEAT_MBYTE
1897 if (enc_utf8) {
1898 // Convert to utf-8
1899 special[0] = (mtab >> 6) + 0xc0;
1900 special[1] = mtab & 0xbf;
1901 length = 2;
1902 } else
1903 #endif
1904 {
1905 special[0] = mtab;
1906 length = 1;
1907 }
1908 mods &= ~MOD_MASK_ALT;
1909 }
1910 } else if (1 == length && chars[0] < 0x80 && (mods & MOD_MASK_ALT)) {
1911 // META key is treated separately. This code was taken from gui_w48.c
1912 // and gui_gtk_x11.c.
1913 char_u string[7];
1914 int ch = simplify_key(chars[0], &mods);
1916 // Remove the SHIFT modifier for keys where it's already included,
1917 // e.g., '(' and '*'
1918 if (ch < 0x100 && !isalpha(ch) && isprint(ch))
1919 mods &= ~MOD_MASK_SHIFT;
1921 // Interpret the ALT key as making the key META, include SHIFT, etc.
1922 ch = extract_modifiers(ch, &mods);
1923 if (ch == CSI)
1924 ch = K_CSI;
1926 int len = 0;
1927 if (mods) {
1928 string[len++] = CSI;
1929 string[len++] = KS_MODIFIER;
1930 string[len++] = mods;
1931 }
1933 if (IS_SPECIAL(ch)) {
1934 string[len++] = CSI;
1935 string[len++] = K_SECOND(ch);
1936 string[len++] = K_THIRD(ch);
1937 } else {
1938 string[len++] = ch;
1939 #ifdef FEAT_MBYTE
1940 // TODO: What if 'enc' is not "utf-8"?
1941 if (enc_utf8 && (ch & 0x80)) { // convert to utf-8
1942 string[len++] = ch & 0xbf;
1943 string[len-2] = ((unsigned)ch >> 6) + 0xc0;
1944 if (string[len-1] == CSI) {
1945 string[len++] = KS_EXTRA;
1946 string[len++] = (int)KE_CSI;
1947 }
1948 }
1949 #endif
1950 }
1952 add_to_input_buf(string, len);
1953 return;
1954 } else if (length > 0) {
1955 unichar c = [key characterAtIndex:0];
1956 //NSLog(@"non-special: %@ (hex=%x, mods=%d)", key,
1957 // [key characterAtIndex:0], mods);
1959 // HACK! In most circumstances the Ctrl and Shift modifiers should be
1960 // cleared since they are already added to the key by the AppKit.
1961 // Unfortunately, the only way to deal with when to clear the modifiers
1962 // or not seems to be to have hard-wired rules like this.
1963 if ( !((' ' == c) || (0xa0 == c) || (mods & MOD_MASK_CMD)
1964 || 0x9 == c || 0xd == c || ESC == c) ) {
1965 mods &= ~MOD_MASK_SHIFT;
1966 mods &= ~MOD_MASK_CTRL;
1967 //NSLog(@"clear shift ctrl");
1968 }
1970 #ifdef FEAT_MBYTE
1971 if (input_conv.vc_type != CONV_NONE) {
1972 conv_str = string_convert(&input_conv, chars, &length);
1973 if (conv_str)
1974 chars = conv_str;
1975 }
1976 #endif
1977 }
1979 if (chars && length > 0) {
1980 if (mods) {
1981 //NSLog(@"adding mods: %d", mods);
1982 modChars[0] = CSI;
1983 modChars[1] = KS_MODIFIER;
1984 modChars[2] = mods;
1985 add_to_input_buf(modChars, 3);
1986 }
1988 //NSLog(@"add to input buf: 0x%x", chars[0]);
1989 // TODO: Check for CSI bytes?
1990 add_to_input_buf(chars, length);
1991 }
1993 #ifdef FEAT_MBYTE
1994 if (conv_str)
1995 vim_free(conv_str);
1996 #endif
1997 }
1999 - (void)queueMessage:(int)msgid data:(NSData *)data
2000 {
2001 //if (msgid != EnableMenuItemMsgID)
2002 // NSLog(@"queueMessage:%s", MessageStrings[msgid]);
2004 [outputQueue addObject:[NSData dataWithBytes:&msgid length:sizeof(int)]];
2005 if (data)
2006 [outputQueue addObject:data];
2007 else
2008 [outputQueue addObject:[NSData data]];
2009 }
2011 - (void)connectionDidDie:(NSNotification *)notification
2012 {
2013 // If the main connection to MacVim is lost this means that either MacVim
2014 // has crashed or this process did not receive its termination message
2015 // properly (e.g. if the TerminateNowMsgID was dropped).
2016 //
2017 // NOTE: This is not called if a Vim controller invalidates its connection.
2019 NSLog(@"WARNING[%s]: Main connection was lost before process had a chance "
2020 "to terminate; preserving swap files.", _cmd);
2021 getout_preserve_modified(1);
2022 }
2024 - (void)blinkTimerFired:(NSTimer *)timer
2025 {
2026 NSTimeInterval timeInterval = 0;
2028 [blinkTimer release];
2029 blinkTimer = nil;
2031 if (MMBlinkStateOn == blinkState) {
2032 gui_undraw_cursor();
2033 blinkState = MMBlinkStateOff;
2034 timeInterval = blinkOffInterval;
2035 } else if (MMBlinkStateOff == blinkState) {
2036 gui_update_cursor(TRUE, FALSE);
2037 blinkState = MMBlinkStateOn;
2038 timeInterval = blinkOnInterval;
2039 }
2041 if (timeInterval > 0) {
2042 blinkTimer =
2043 [[NSTimer scheduledTimerWithTimeInterval:timeInterval target:self
2044 selector:@selector(blinkTimerFired:)
2045 userInfo:nil repeats:NO] retain];
2046 [self flushQueue:YES];
2047 }
2048 }
2050 - (void)focusChange:(BOOL)on
2051 {
2052 gui_focus_change(on);
2053 }
2055 - (void)handleToggleToolbar
2056 {
2057 // If 'go' contains 'T', then remove it, else add it.
2059 char_u go[sizeof(GO_ALL)+2];
2060 char_u *p;
2061 int len;
2063 STRCPY(go, p_go);
2064 p = vim_strchr(go, GO_TOOLBAR);
2065 len = STRLEN(go);
2067 if (p != NULL) {
2068 char_u *end = go + len;
2069 while (p < end) {
2070 p[0] = p[1];
2071 ++p;
2072 }
2073 } else {
2074 go[len] = GO_TOOLBAR;
2075 go[len+1] = NUL;
2076 }
2078 set_option_value((char_u*)"guioptions", 0, go, 0);
2080 [self redrawScreen];
2081 }
2083 - (void)handleScrollbarEvent:(NSData *)data
2084 {
2085 if (!data) return;
2087 const void *bytes = [data bytes];
2088 long ident = *((long*)bytes); bytes += sizeof(long);
2089 int hitPart = *((int*)bytes); bytes += sizeof(int);
2090 float fval = *((float*)bytes); bytes += sizeof(float);
2091 scrollbar_T *sb = gui_find_scrollbar(ident);
2093 if (sb) {
2094 scrollbar_T *sb_info = sb->wp ? &sb->wp->w_scrollbars[0] : sb;
2095 long value = sb_info->value;
2096 long size = sb_info->size;
2097 long max = sb_info->max;
2098 BOOL isStillDragging = NO;
2099 BOOL updateKnob = YES;
2101 switch (hitPart) {
2102 case NSScrollerDecrementPage:
2103 value -= (size > 2 ? size - 2 : 1);
2104 break;
2105 case NSScrollerIncrementPage:
2106 value += (size > 2 ? size - 2 : 1);
2107 break;
2108 case NSScrollerDecrementLine:
2109 --value;
2110 break;
2111 case NSScrollerIncrementLine:
2112 ++value;
2113 break;
2114 case NSScrollerKnob:
2115 isStillDragging = YES;
2116 // fall through ...
2117 case NSScrollerKnobSlot:
2118 value = (long)(fval * (max - size + 1));
2119 // fall through ...
2120 default:
2121 updateKnob = NO;
2122 break;
2123 }
2125 //NSLog(@"value %d -> %d", sb_info->value, value);
2126 gui_drag_scrollbar(sb, value, isStillDragging);
2128 if (updateKnob) {
2129 // Dragging the knob or option+clicking automatically updates
2130 // the knob position (on the actual NSScroller), so we only
2131 // need to set the knob position in the other cases.
2132 if (sb->wp) {
2133 // Update both the left&right vertical scrollbars.
2134 long identLeft = sb->wp->w_scrollbars[SBAR_LEFT].ident;
2135 long identRight = sb->wp->w_scrollbars[SBAR_RIGHT].ident;
2136 [self setScrollbarThumbValue:value size:size max:max
2137 identifier:identLeft];
2138 [self setScrollbarThumbValue:value size:size max:max
2139 identifier:identRight];
2140 } else {
2141 // Update the horizontal scrollbar.
2142 [self setScrollbarThumbValue:value size:size max:max
2143 identifier:ident];
2144 }
2145 }
2146 }
2147 }
2149 - (void)handleSetFont:(NSData *)data
2150 {
2151 if (!data) return;
2153 const void *bytes = [data bytes];
2154 float pointSize = *((float*)bytes); bytes += sizeof(float);
2155 //unsigned len = *((unsigned*)bytes); bytes += sizeof(unsigned);
2156 bytes += sizeof(unsigned); // len not used
2158 NSMutableString *name = [NSMutableString stringWithUTF8String:bytes];
2159 [name appendString:[NSString stringWithFormat:@":h%d", (int)pointSize]];
2160 char_u *s = (char_u*)[name UTF8String];
2162 #ifdef FEAT_MBYTE
2163 s = CONVERT_FROM_UTF8(s);
2164 #endif
2166 set_option_value((char_u*)"guifont", 0, s, 0);
2168 #ifdef FEAT_MBYTE
2169 CONVERT_FROM_UTF8_FREE(s);
2170 #endif
2172 [self redrawScreen];
2173 }
2175 - (void)handleDropFiles:(NSData *)data
2176 {
2177 // TODO: Get rid of this method; instead use Vim script directly. At the
2178 // moment I know how to do this to open files in tabs, but I'm not sure how
2179 // to add the filenames to the command line when in command line mode.
2181 if (!data) return;
2183 NSMutableDictionary *args = [NSMutableDictionary dictionaryWithData:data];
2184 if (!args) return;
2186 id obj = [args objectForKey:@"forceOpen"];
2187 BOOL forceOpen = YES;
2188 if (obj)
2189 forceOpen = [obj boolValue];
2191 NSArray *filenames = [args objectForKey:@"filenames"];
2192 if (!(filenames && [filenames count] > 0)) return;
2194 #ifdef FEAT_DND
2195 if (!forceOpen && (State & CMDLINE)) {
2196 // HACK! If Vim is in command line mode then the files names
2197 // should be added to the command line, instead of opening the
2198 // files in tabs (unless forceOpen is set). This is taken care of by
2199 // gui_handle_drop().
2200 int n = [filenames count];
2201 char_u **fnames = (char_u **)alloc(n * sizeof(char_u *));
2202 if (fnames) {
2203 int i = 0;
2204 for (i = 0; i < n; ++i)
2205 fnames[i] = [[filenames objectAtIndex:i] vimStringSave];
2207 // NOTE! This function will free 'fnames'.
2208 // HACK! It is assumed that the 'x' and 'y' arguments are
2209 // unused when in command line mode.
2210 gui_handle_drop(0, 0, 0, fnames, n);
2211 }
2212 } else
2213 #endif // FEAT_DND
2214 {
2215 [self handleOpenWithArguments:args];
2216 }
2217 }
2219 - (void)handleDropString:(NSData *)data
2220 {
2221 if (!data) return;
2223 #ifdef FEAT_DND
2224 char_u dropkey[3] = { CSI, KS_EXTRA, (char_u)KE_DROP };
2225 const void *bytes = [data bytes];
2226 int len = *((int*)bytes); bytes += sizeof(int);
2227 NSMutableString *string = [NSMutableString stringWithUTF8String:bytes];
2229 // Replace unrecognized end-of-line sequences with \x0a (line feed).
2230 NSRange range = { 0, [string length] };
2231 unsigned n = [string replaceOccurrencesOfString:@"\x0d\x0a"
2232 withString:@"\x0a" options:0
2233 range:range];
2234 if (0 == n) {
2235 n = [string replaceOccurrencesOfString:@"\x0d" withString:@"\x0a"
2236 options:0 range:range];
2237 }
2239 len = [string lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
2240 char_u *s = (char_u*)[string UTF8String];
2241 #ifdef FEAT_MBYTE
2242 if (input_conv.vc_type != CONV_NONE)
2243 s = string_convert(&input_conv, s, &len);
2244 #endif
2245 dnd_yank_drag_data(s, len);
2246 #ifdef FEAT_MBYTE
2247 if (input_conv.vc_type != CONV_NONE)
2248 vim_free(s);
2249 #endif
2250 add_to_input_buf(dropkey, sizeof(dropkey));
2251 #endif // FEAT_DND
2252 }
2254 - (void)startOdbEditWithArguments:(NSDictionary *)args
2255 {
2256 #ifdef FEAT_ODB_EDITOR
2257 id obj = [args objectForKey:@"remoteID"];
2258 if (!obj) return;
2260 OSType serverID = [obj unsignedIntValue];
2261 NSString *remotePath = [args objectForKey:@"remotePath"];
2263 NSAppleEventDescriptor *token = nil;
2264 NSData *tokenData = [args objectForKey:@"remoteTokenData"];
2265 obj = [args objectForKey:@"remoteTokenDescType"];
2266 if (tokenData && obj) {
2267 DescType tokenType = [obj unsignedLongValue];
2268 token = [NSAppleEventDescriptor descriptorWithDescriptorType:tokenType
2269 data:tokenData];
2270 }
2272 NSArray *filenames = [args objectForKey:@"filenames"];
2273 unsigned i, numFiles = [filenames count];
2274 for (i = 0; i < numFiles; ++i) {
2275 NSString *filename = [filenames objectAtIndex:i];
2276 char_u *s = [filename vimStringSave];
2277 buf_T *buf = buflist_findname(s);
2278 vim_free(s);
2280 if (buf) {
2281 if (buf->b_odb_token) {
2282 [(NSAppleEventDescriptor*)(buf->b_odb_token) release];
2283 buf->b_odb_token = NULL;
2284 }
2286 if (buf->b_odb_fname) {
2287 vim_free(buf->b_odb_fname);
2288 buf->b_odb_fname = NULL;
2289 }
2291 buf->b_odb_server_id = serverID;
2293 if (token)
2294 buf->b_odb_token = [token retain];
2295 if (remotePath)
2296 buf->b_odb_fname = [remotePath vimStringSave];
2297 } else {
2298 NSLog(@"WARNING: Could not find buffer '%@' for ODB editing.",
2299 filename);
2300 }
2301 }
2302 #endif // FEAT_ODB_EDITOR
2303 }
2305 - (void)handleXcodeMod:(NSData *)data
2306 {
2307 #if 0
2308 const void *bytes = [data bytes];
2309 DescType type = *((DescType*)bytes); bytes += sizeof(DescType);
2310 unsigned len = *((unsigned*)bytes); bytes += sizeof(unsigned);
2311 if (0 == len)
2312 return;
2314 NSAppleEventDescriptor *replyEvent = [NSAppleEventDescriptor
2315 descriptorWithDescriptorType:type
2316 bytes:bytes
2317 length:len];
2318 #endif
2319 }
2321 - (void)handleOpenWithArguments:(NSDictionary *)args
2322 {
2323 // ARGUMENT: DESCRIPTION:
2324 // -------------------------------------------------------------
2325 // filenames list of filenames
2326 // dontOpen don't open files specified in above argument
2327 // layout which layout to use to open files
2328 // selectionRange range of lines to select
2329 // searchText string to search for
2330 // cursorLine line to position the cursor on
2331 // cursorColumn column to position the cursor on
2332 // (only valid when "cursorLine" is set)
2333 // remoteID ODB parameter
2334 // remotePath ODB parameter
2335 // remoteTokenDescType ODB parameter
2336 // remoteTokenData ODB parameter
2338 //NSLog(@"%s%@ (starting=%d)", _cmd, args, starting);
2340 NSArray *filenames = [args objectForKey:@"filenames"];
2341 int i, numFiles = filenames ? [filenames count] : 0;
2342 BOOL openFiles = ![[args objectForKey:@"dontOpen"] boolValue];
2343 int layout = [[args objectForKey:@"layout"] intValue];
2345 // Change to directory of first file to open if this is an "unused" editor
2346 // (but do not do this if editing remotely).
2347 if (openFiles && numFiles > 0 && ![args objectForKey:@"remoteID"]
2348 && (starting || [self unusedEditor]) ) {
2349 char_u *s = [[filenames objectAtIndex:0] vimStringSave];
2350 vim_chdirfile(s);
2351 vim_free(s);
2352 }
2354 if (starting > 0) {
2355 // When Vim is starting we simply add the files to be opened to the
2356 // global arglist and Vim will take care of opening them for us.
2357 if (openFiles && numFiles > 0) {
2358 for (i = 0; i < numFiles; i++) {
2359 NSString *fname = [filenames objectAtIndex:i];
2360 char_u *p = NULL;
2362 if (ga_grow(&global_alist.al_ga, 1) == FAIL
2363 || (p = [fname vimStringSave]) == NULL)
2364 exit(2); // See comment in -[MMBackend exit]
2365 else
2366 alist_add(&global_alist, p, 2);
2367 }
2369 // Vim will take care of arranging the files added to the arglist
2370 // in windows or tabs; all we must do is to specify which layout to
2371 // use.
2372 initialWindowLayout = layout;
2373 }
2374 } else {
2375 // When Vim is already open we resort to some trickery to open the
2376 // files with the specified layout.
2377 //
2378 // TODO: Figure out a better way to handle this?
2379 if (openFiles && numFiles > 0) {
2380 BOOL oneWindowInTab = topframe ? YES
2381 : (topframe->fr_layout == FR_LEAF);
2382 BOOL bufChanged = NO;
2383 BOOL bufHasFilename = NO;
2384 if (curbuf) {
2385 bufChanged = curbufIsChanged();
2386 bufHasFilename = curbuf->b_ffname != NULL;
2387 }
2389 // Temporarily disable flushing since the following code may
2390 // potentially cause multiple redraws.
2391 flushDisabled = YES;
2393 BOOL onlyOneTab = (first_tabpage->tp_next == NULL);
2394 if (WIN_TABS == layout && !onlyOneTab) {
2395 // By going to the last tabpage we ensure that the new tabs
2396 // will appear last (if this call is left out, the taborder
2397 // becomes messy).
2398 goto_tabpage(9999);
2399 }
2401 // Make sure we're in normal mode first.
2402 [self addInput:@"<C-\\><C-N>"];
2404 if (numFiles > 1) {
2405 // With "split layout" we open a new tab before opening
2406 // multiple files if the current tab has more than one window
2407 // or if there is exactly one window but whose buffer has a
2408 // filename. (The :drop command ensures modified buffers get
2409 // their own window.)
2410 if ((WIN_HOR == layout || WIN_VER == layout) &&
2411 (!oneWindowInTab || bufHasFilename))
2412 [self addInput:@":tabnew<CR>"];
2414 // The files are opened by constructing a ":drop ..." command
2415 // and executing it.
2416 NSMutableString *cmd = (WIN_TABS == layout)
2417 ? [NSMutableString stringWithString:@":tab drop"]
2418 : [NSMutableString stringWithString:@":drop"];
2420 for (i = 0; i < numFiles; ++i) {
2421 NSString *file = [filenames objectAtIndex:i];
2422 file = [file stringByEscapingSpecialFilenameCharacters];
2423 [cmd appendString:@" "];
2424 [cmd appendString:file];
2425 }
2427 // Temporarily clear 'suffixes' so that the files are opened in
2428 // the same order as they appear in the "filenames" array.
2429 [self addInput:@":let mvim_oldsu=&su|set su=<CR>"];
2431 [self addInput:cmd];
2433 // Split the view into multiple windows if requested.
2434 if (WIN_HOR == layout)
2435 [self addInput:@"|sall"];
2436 else if (WIN_VER == layout)
2437 [self addInput:@"|vert sall"];
2439 // Restore the old value of 'suffixes'.
2440 [self addInput:@"|let &su=mvim_oldsu|unlet mvim_oldsu<CR>"];
2441 } else {
2442 // When opening one file we try to reuse the current window,
2443 // but not if its buffer is modified or has a filename.
2444 // However, the 'arglist' layout always opens the file in the
2445 // current window.
2446 NSString *file = [[filenames lastObject]
2447 stringByEscapingSpecialFilenameCharacters];
2448 NSString *cmd;
2449 if (WIN_HOR == layout) {
2450 if (!(bufHasFilename || bufChanged))
2451 cmd = [NSString stringWithFormat:@":e %@", file];
2452 else
2453 cmd = [NSString stringWithFormat:@":sp %@", file];
2454 } else if (WIN_VER == layout) {
2455 if (!(bufHasFilename || bufChanged))
2456 cmd = [NSString stringWithFormat:@":e %@", file];
2457 else
2458 cmd = [NSString stringWithFormat:@":vsp %@", file];
2459 } else if (WIN_TABS == layout) {
2460 if (oneWindowInTab && !(bufHasFilename || bufChanged))
2461 cmd = [NSString stringWithFormat:@":e %@", file];
2462 else
2463 cmd = [NSString stringWithFormat:@":tabe %@", file];
2464 } else {
2465 // (The :drop command will split if there is a modified
2466 // buffer.)
2467 cmd = [NSString stringWithFormat:@":drop %@", file];
2468 }
2470 [self addInput:cmd];
2471 [self addInput:@"<CR>"];
2472 }
2474 // Force screen redraw (does it have to be this complicated?).
2475 // (This code was taken from the end of gui_handle_drop().)
2476 update_screen(NOT_VALID);
2477 setcursor();
2478 out_flush();
2479 gui_update_cursor(FALSE, FALSE);
2480 maketitle();
2482 flushDisabled = NO;
2483 }
2484 }
2486 if ([args objectForKey:@"remoteID"]) {
2487 // NOTE: We have to delay processing any ODB related arguments since
2488 // the file(s) may not be opened until the input buffer is processed.
2489 [self performSelectorOnMainThread:@selector(startOdbEditWithArguments:)
2490 withObject:args
2491 waitUntilDone:NO];
2492 }
2494 NSString *lineString = [args objectForKey:@"cursorLine"];
2495 if (lineString && [lineString intValue] > 0) {
2496 NSString *columnString = [args objectForKey:@"cursorColumn"];
2497 if (!(columnString && [columnString intValue] > 0))
2498 columnString = @"1";
2500 NSString *cmd = [NSString stringWithFormat:@"<C-\\><C-N>:cal "
2501 "cursor(%@,%@)|norm! zz<CR>:f<CR>", lineString, columnString];
2502 [self addInput:cmd];
2503 }
2505 NSString *rangeString = [args objectForKey:@"selectionRange"];
2506 if (rangeString) {
2507 // Build a command line string that will select the given range of
2508 // lines. If range.length == 0, then position the cursor on the given
2509 // line but do not select.
2510 NSRange range = NSRangeFromString(rangeString);
2511 NSString *cmd;
2512 if (range.length > 0) {
2513 cmd = [NSString stringWithFormat:@"<C-\\><C-N>%dGV%dGz.0",
2514 NSMaxRange(range), range.location];
2515 } else {
2516 cmd = [NSString stringWithFormat:@"<C-\\><C-N>%dGz.0",
2517 range.location];
2518 }
2520 [self addInput:cmd];
2521 }
2523 NSString *searchText = [args objectForKey:@"searchText"];
2524 if (searchText) {
2525 // TODO: Searching is an exclusive motion, so if the pattern would
2526 // match on row 0 column 0 then this pattern will miss that match.
2527 [self addInput:[NSString stringWithFormat:@"<C-\\><C-N>gg/\\c%@<CR>",
2528 searchText]];
2529 }
2530 }
2532 - (BOOL)checkForModifiedBuffers
2533 {
2534 buf_T *buf;
2535 for (buf = firstbuf; buf != NULL; buf = buf->b_next) {
2536 if (bufIsChanged(buf)) {
2537 return YES;
2538 }
2539 }
2541 return NO;
2542 }
2544 - (void)addInput:(NSString *)input
2545 {
2546 // NOTE: This code is essentially identical to server_to_input_buf(),
2547 // except the 'silent' flag is TRUE in the call to ins_typebuf() below.
2548 char_u *string = [input vimStringSave];
2549 if (!string) return;
2551 /* Set 'cpoptions' the way we want it.
2552 * B set - backslashes are *not* treated specially
2553 * k set - keycodes are *not* reverse-engineered
2554 * < unset - <Key> sequences *are* interpreted
2555 * The last but one parameter of replace_termcodes() is TRUE so that the
2556 * <lt> sequence is recognised - needed for a real backslash.
2557 */
2558 char_u *ptr = NULL;
2559 char_u *cpo_save = p_cpo;
2560 p_cpo = (char_u *)"Bk";
2561 char_u *str = replace_termcodes((char_u *)string, &ptr, FALSE, TRUE, FALSE);
2562 p_cpo = cpo_save;
2564 if (*ptr != NUL) /* trailing CTRL-V results in nothing */
2565 {
2566 /*
2567 * Add the string to the input stream.
2568 * Can't use add_to_input_buf() here, we now have K_SPECIAL bytes.
2569 *
2570 * First clear typed characters from the typeahead buffer, there could
2571 * be half a mapping there. Then append to the existing string, so
2572 * that multiple commands from a client are concatenated.
2573 */
2574 if (typebuf.tb_maplen < typebuf.tb_len)
2575 del_typebuf(typebuf.tb_len - typebuf.tb_maplen, typebuf.tb_maplen);
2576 (void)ins_typebuf(str, REMAP_NONE, typebuf.tb_len, TRUE, TRUE);
2578 /* Let input_available() know we inserted text in the typeahead
2579 * buffer. */
2580 typebuf_was_filled = TRUE;
2581 }
2582 vim_free(ptr);
2583 vim_free(string);
2584 }
2586 - (BOOL)unusedEditor
2587 {
2588 BOOL oneWindowInTab = topframe ? YES
2589 : (topframe->fr_layout == FR_LEAF);
2590 BOOL bufChanged = NO;
2591 BOOL bufHasFilename = NO;
2592 if (curbuf) {
2593 bufChanged = curbufIsChanged();
2594 bufHasFilename = curbuf->b_ffname != NULL;
2595 }
2597 BOOL onlyOneTab = (first_tabpage->tp_next == NULL);
2599 return onlyOneTab && oneWindowInTab && !bufChanged && !bufHasFilename;
2600 }
2602 - (void)redrawScreen
2603 {
2604 // Force screen redraw (does it have to be this complicated?).
2605 redraw_all_later(CLEAR);
2606 update_screen(NOT_VALID);
2607 setcursor();
2608 out_flush();
2609 gui_update_cursor(FALSE, FALSE);
2611 // HACK! The cursor is not put back at the command line by the above
2612 // "redraw commands". The following test seems to do the trick though.
2613 if (State & CMDLINE)
2614 redrawcmdline();
2615 }
2617 - (void)handleFindReplace:(NSDictionary *)args
2618 {
2619 if (!args) return;
2621 NSString *findString = [args objectForKey:@"find"];
2622 if (!findString) return;
2624 char_u *find = [findString vimStringSave];
2625 char_u *replace = [[args objectForKey:@"replace"] vimStringSave];
2626 int flags = [[args objectForKey:@"flags"] intValue];
2628 // NOTE: The flag 0x100 is used to indicate a backward search.
2629 gui_do_findrepl(flags, find, replace, (flags & 0x100) == 0);
2631 vim_free(find);
2632 vim_free(replace);
2633 }
2635 @end // MMBackend (Private)
2640 @implementation MMBackend (ClientServer)
2642 - (NSString *)connectionNameFromServerName:(NSString *)name
2643 {
2644 NSString *bundlePath = [[NSBundle mainBundle] bundlePath];
2646 return [[NSString stringWithFormat:@"%@.%@", bundlePath, name]
2647 lowercaseString];
2648 }
2650 - (NSConnection *)connectionForServerName:(NSString *)name
2651 {
2652 // TODO: Try 'name%d' if 'name' fails.
2653 NSString *connName = [self connectionNameFromServerName:name];
2654 NSConnection *svrConn = [connectionNameDict objectForKey:connName];
2656 if (!svrConn) {
2657 svrConn = [NSConnection connectionWithRegisteredName:connName
2658 host:nil];
2659 // Try alternate server...
2660 if (!svrConn && alternateServerName) {
2661 //NSLog(@" trying to connect to alternate server: %@",
2662 // alternateServerName);
2663 connName = [self connectionNameFromServerName:alternateServerName];
2664 svrConn = [NSConnection connectionWithRegisteredName:connName
2665 host:nil];
2666 }
2668 // Try looking for alternate servers...
2669 if (!svrConn) {
2670 //NSLog(@" looking for alternate servers...");
2671 NSString *alt = [self alternateServerNameForName:name];
2672 if (alt != alternateServerName) {
2673 //NSLog(@" found alternate server: %@", string);
2674 [alternateServerName release];
2675 alternateServerName = [alt copy];
2676 }
2677 }
2679 // Try alternate server again...
2680 if (!svrConn && alternateServerName) {
2681 //NSLog(@" trying to connect to alternate server: %@",
2682 // alternateServerName);
2683 connName = [self connectionNameFromServerName:alternateServerName];
2684 svrConn = [NSConnection connectionWithRegisteredName:connName
2685 host:nil];
2686 }
2688 if (svrConn) {
2689 [connectionNameDict setObject:svrConn forKey:connName];
2691 //NSLog(@"Adding %@ as connection observer for %@", self, svrConn);
2692 [[NSNotificationCenter defaultCenter] addObserver:self
2693 selector:@selector(serverConnectionDidDie:)
2694 name:NSConnectionDidDieNotification object:svrConn];
2695 }
2696 }
2698 return svrConn;
2699 }
2701 - (NSConnection *)connectionForServerPort:(int)port
2702 {
2703 NSConnection *conn;
2704 NSEnumerator *e = [connectionNameDict objectEnumerator];
2706 while ((conn = [e nextObject])) {
2707 // HACK! Assume connection uses mach ports.
2708 if (port == [(NSMachPort*)[conn sendPort] machPort])
2709 return conn;
2710 }
2712 return nil;
2713 }
2715 - (void)serverConnectionDidDie:(NSNotification *)notification
2716 {
2717 //NSLog(@"%s%@", _cmd, notification);
2719 NSConnection *svrConn = [notification object];
2721 //NSLog(@"Removing %@ as connection observer from %@", self, svrConn);
2722 [[NSNotificationCenter defaultCenter]
2723 removeObserver:self
2724 name:NSConnectionDidDieNotification
2725 object:svrConn];
2727 [connectionNameDict removeObjectsForKeys:
2728 [connectionNameDict allKeysForObject:svrConn]];
2730 // HACK! Assume connection uses mach ports.
2731 int port = [(NSMachPort*)[svrConn sendPort] machPort];
2732 NSNumber *key = [NSNumber numberWithInt:port];
2734 [clientProxyDict removeObjectForKey:key];
2735 [serverReplyDict removeObjectForKey:key];
2736 }
2738 - (void)addClient:(NSDistantObject *)client
2739 {
2740 NSConnection *conn = [client connectionForProxy];
2741 // HACK! Assume connection uses mach ports.
2742 int port = [(NSMachPort*)[conn sendPort] machPort];
2743 NSNumber *key = [NSNumber numberWithInt:port];
2745 if (![clientProxyDict objectForKey:key]) {
2746 [client setProtocolForProxy:@protocol(MMVimClientProtocol)];
2747 [clientProxyDict setObject:client forKey:key];
2748 }
2750 // NOTE: 'clientWindow' is a global variable which is used by <client>
2751 clientWindow = port;
2752 }
2754 - (NSString *)alternateServerNameForName:(NSString *)name
2755 {
2756 if (!(name && [name length] > 0))
2757 return nil;
2759 // Only look for alternates if 'name' doesn't end in a digit.
2760 unichar lastChar = [name characterAtIndex:[name length]-1];
2761 if (lastChar >= '0' && lastChar <= '9')
2762 return nil;
2764 // Look for alternates among all current servers.
2765 NSArray *list = [self serverList];
2766 if (!(list && [list count] > 0))
2767 return nil;
2769 // Filter out servers starting with 'name' and ending with a number. The
2770 // (?i) pattern ensures that the match is case insensitive.
2771 NSString *pat = [NSString stringWithFormat:@"(?i)%@[0-9]+\\z", name];
2772 NSPredicate *pred = [NSPredicate predicateWithFormat:
2773 @"SELF MATCHES %@", pat];
2774 list = [list filteredArrayUsingPredicate:pred];
2775 if ([list count] > 0) {
2776 list = [list sortedArrayUsingSelector:@selector(serverNameCompare:)];
2777 return [list objectAtIndex:0];
2778 }
2780 return nil;
2781 }
2783 @end // MMBackend (ClientServer)
2788 @implementation NSString (MMServerNameCompare)
2789 - (NSComparisonResult)serverNameCompare:(NSString *)string
2790 {
2791 return [self compare:string
2792 options:NSCaseInsensitiveSearch|NSNumericSearch];
2793 }
2794 @end
2799 static int eventModifierFlagsToVimModMask(int modifierFlags)
2800 {
2801 int modMask = 0;
2803 if (modifierFlags & NSShiftKeyMask)
2804 modMask |= MOD_MASK_SHIFT;
2805 if (modifierFlags & NSControlKeyMask)
2806 modMask |= MOD_MASK_CTRL;
2807 if (modifierFlags & NSAlternateKeyMask)
2808 modMask |= MOD_MASK_ALT;
2809 if (modifierFlags & NSCommandKeyMask)
2810 modMask |= MOD_MASK_CMD;
2812 return modMask;
2813 }
2815 static int eventModifierFlagsToVimMouseModMask(int modifierFlags)
2816 {
2817 int modMask = 0;
2819 if (modifierFlags & NSShiftKeyMask)
2820 modMask |= MOUSE_SHIFT;
2821 if (modifierFlags & NSControlKeyMask)
2822 modMask |= MOUSE_CTRL;
2823 if (modifierFlags & NSAlternateKeyMask)
2824 modMask |= MOUSE_ALT;
2826 return modMask;
2827 }
2829 static int eventButtonNumberToVimMouseButton(int buttonNumber)
2830 {
2831 static int mouseButton[] = { MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE };
2833 return (buttonNumber >= 0 && buttonNumber < 3)
2834 ? mouseButton[buttonNumber] : -1;
2835 }
2839 // This function is modeled after the VimToPython function found in if_python.c
2840 // NB This does a deep copy by value, it does not lookup references like the
2841 // VimToPython function does. This is because I didn't want to deal with the
2842 // retain cycles that this would create, and we can cover 99% of the use cases
2843 // by ignoring it. If we ever switch to using GC in MacVim then this
2844 // functionality can be implemented easily.
2845 static id vimToCocoa(typval_T * tv, int depth)
2846 {
2847 id result = nil;
2848 id newObj = nil;
2851 // Avoid infinite recursion
2852 if (depth > 100) {
2853 return nil;
2854 }
2856 if (tv->v_type == VAR_STRING) {
2857 char_u * val = tv->vval.v_string;
2858 // val can be NULL if the string is empty
2859 if (!val) {
2860 result = [NSString string];
2861 } else {
2862 #ifdef FEAT_MBYTE
2863 val = CONVERT_TO_UTF8(val);
2864 #endif
2865 result = [NSString stringWithUTF8String:(char*)val];
2866 #ifdef FEAT_MBYTE
2867 CONVERT_TO_UTF8_FREE(val);
2868 #endif
2869 }
2870 } else if (tv->v_type == VAR_NUMBER) {
2871 // looks like sizeof(varnumber_T) is always <= sizeof(long)
2872 result = [NSNumber numberWithLong:(long)tv->vval.v_number];
2873 } else if (tv->v_type == VAR_LIST) {
2874 list_T * list = tv->vval.v_list;
2875 listitem_T * curr;
2877 NSMutableArray * arr = result = [NSMutableArray array];
2879 if (list != NULL) {
2880 for (curr = list->lv_first; curr != NULL; curr = curr->li_next) {
2881 newObj = vimToCocoa(&curr->li_tv, depth + 1);
2882 [arr addObject:newObj];
2883 }
2884 }
2885 } else if (tv->v_type == VAR_DICT) {
2886 NSMutableDictionary * dict = result = [NSMutableDictionary dictionary];
2888 if (tv->vval.v_dict != NULL) {
2889 hashtab_T * ht = &tv->vval.v_dict->dv_hashtab;
2890 int todo = ht->ht_used;
2891 hashitem_T * hi;
2892 dictitem_T * di;
2894 for (hi = ht->ht_array; todo > 0; ++hi) {
2895 if (!HASHITEM_EMPTY(hi)) {
2896 --todo;
2898 di = dict_lookup(hi);
2899 newObj = vimToCocoa(&di->di_tv, depth + 1);
2901 char_u * keyval = hi->hi_key;
2902 #ifdef FEAT_MBYTE
2903 keyval = CONVERT_TO_UTF8(keyval);
2904 #endif
2905 NSString * key = [NSString stringWithUTF8String:(char*)keyval];
2906 #ifdef FEAT_MBYTE
2907 CONVERT_TO_UTF8_FREE(keyval);
2908 #endif
2909 [dict setObject:newObj forKey:key];
2910 }
2911 }
2912 }
2913 } else { // only func refs should fall into this category?
2914 result = nil;
2915 }
2917 return result;
2918 }
2921 // This function is modeled after eval_client_expr_to_string found in main.c
2922 // Returns nil if there was an error evaluating the expression, and writes a
2923 // message to errorStr.
2924 // TODO Get the error that occurred while evaluating the expression in vim
2925 // somehow.
2926 static id evalExprCocoa(NSString * expr, NSString ** errstr)
2927 {
2929 char_u *s = (char_u*)[expr UTF8String];
2931 #ifdef FEAT_MBYTE
2932 s = CONVERT_FROM_UTF8(s);
2933 #endif
2935 int save_dbl = debug_break_level;
2936 int save_ro = redir_off;
2938 debug_break_level = -1;
2939 redir_off = 0;
2940 ++emsg_skip;
2942 typval_T * tvres = eval_expr(s, NULL);
2944 debug_break_level = save_dbl;
2945 redir_off = save_ro;
2946 --emsg_skip;
2948 setcursor();
2949 out_flush();
2951 #ifdef FEAT_MBYTE
2952 CONVERT_FROM_UTF8_FREE(s);
2953 #endif
2955 #ifdef FEAT_GUI
2956 if (gui.in_use)
2957 gui_update_cursor(FALSE, FALSE);
2958 #endif
2960 if (tvres == NULL) {
2961 free_tv(tvres);
2962 *errstr = @"Expression evaluation failed.";
2963 }
2965 id res = vimToCocoa(tvres, 1);
2967 free_tv(tvres);
2969 if (res == nil) {
2970 *errstr = @"Conversion to cocoa values failed.";
2971 }
2973 return res;
2974 }
2978 @implementation NSString (VimStrings)
2980 + (id)stringWithVimString:(char_u *)s
2981 {
2982 // This method ensures a non-nil string is returned. If 's' cannot be
2983 // converted to a utf-8 string it is assumed to be latin-1. If conversion
2984 // still fails an empty NSString is returned.
2985 NSString *string = nil;
2986 if (s) {
2987 #ifdef FEAT_MBYTE
2988 s = CONVERT_TO_UTF8(s);
2989 #endif
2990 string = [NSString stringWithUTF8String:(char*)s];
2991 if (!string) {
2992 // HACK! Apparently 's' is not a valid utf-8 string, maybe it is
2993 // latin-1?
2994 string = [NSString stringWithCString:(char*)s
2995 encoding:NSISOLatin1StringEncoding];
2996 }
2997 #ifdef FEAT_MBYTE
2998 CONVERT_TO_UTF8_FREE(s);
2999 #endif
3000 }
3002 return string != nil ? string : [NSString string];
3003 }
3005 - (char_u *)vimStringSave
3006 {
3007 char_u *s = (char_u*)[self UTF8String], *ret = NULL;
3009 #ifdef FEAT_MBYTE
3010 s = CONVERT_FROM_UTF8(s);
3011 #endif
3012 ret = vim_strsave(s);
3013 #ifdef FEAT_MBYTE
3014 CONVERT_FROM_UTF8_FREE(s);
3015 #endif
3017 return ret;
3018 }
3020 @end // NSString (VimStrings)