1 /* vi:set ts=8 sts=4 sw=4 ft=objc:
3 * VIM - Vi IMproved by Bram Moolenaar
4 * MacVim GUI port by Bjorn Winckler
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.
15 // This constant controls how often the command queue may be flushed. If it is
16 // too small the app might feel unresponsive; if it is too large there might be
17 // long periods without the screen updating (e.g. when sourcing a large session
18 // file). (The unit is seconds.)
19 static float MMFlushTimeoutInterval = 0.1f;
21 static unsigned MMServerMax = 1000;
23 // NOTE: The default font is bundled with the application.
24 static NSString *MMDefaultFontName = @"DejaVu Sans Mono";
25 static float MMDefaultFontSize = 12.0f;
27 // TODO: Move to separate file.
28 static int eventModifierFlagsToVimModMask(int modifierFlags);
29 static int vimModMaskToEventModifierFlags(int mods);
30 static int eventModifierFlagsToVimMouseModMask(int modifierFlags);
31 static int eventButtonNumberToVimMouseButton(int buttonNumber);
32 static int specialKeyToNSKey(int key);
42 @interface NSString (MMServerNameCompare)
43 - (NSComparisonResult)serverNameCompare:(NSString *)string;
48 @interface MMBackend (Private)
49 - (void)handleMessage:(int)msgid data:(NSData *)data;
50 + (NSDictionary *)specialKeys;
51 - (void)handleKeyDown:(NSString *)key modifiers:(int)mods;
52 - (void)queueMessage:(int)msgid data:(NSData *)data;
53 - (void)connectionDidDie:(NSNotification *)notification;
54 - (void)blinkTimerFired:(NSTimer *)timer;
55 - (void)focusChange:(BOOL)on;
56 - (void)processInputBegin;
57 - (void)processInputEnd;
58 - (NSString *)connectionNameFromServerName:(NSString *)name;
59 - (NSConnection *)connectionForServerName:(NSString *)name;
60 - (NSConnection *)connectionForServerPort:(int)port;
61 - (void)serverConnectionDidDie:(NSNotification *)notification;
62 - (void)addClient:(NSDistantObject *)client;
63 - (NSString *)alternateServerNameForName:(NSString *)name;
68 @implementation MMBackend
70 + (MMBackend *)sharedInstance
72 static MMBackend *singleton = nil;
73 return singleton ? singleton : (singleton = [MMBackend new]);
78 if ((self = [super init])) {
79 fontContainerRef = loadFonts();
81 queue = [[NSMutableArray alloc] init];
82 #if MM_USE_INPUT_QUEUE
83 inputQueue = [[NSMutableArray alloc] init];
85 drawData = [[NSMutableData alloc] initWithCapacity:1024];
86 connectionNameDict = [[NSMutableDictionary alloc] init];
87 clientProxyDict = [[NSMutableDictionary alloc] init];
88 serverReplyDict = [[NSMutableDictionary alloc] init];
90 NSString *path = [[NSBundle mainBundle] pathForResource:@"Colors"
93 colorDict = [[NSDictionary dictionaryWithContentsOfFile:path]
96 NSLog(@"WARNING: Could not locate Colors.plist.");
99 path = [[NSBundle mainBundle] pathForResource:@"SystemColors"
102 sysColorDict = [[NSDictionary dictionaryWithContentsOfFile:path]
105 NSLog(@"WARNING: Could not locate SystemColors.plist.");
114 //NSLog(@"%@ %s", [self className], _cmd);
116 [[NSNotificationCenter defaultCenter] removeObserver:self];
118 [blinkTimer release]; blinkTimer = nil;
119 #if MM_USE_INPUT_QUEUE
120 [inputQueue release]; inputQueue = nil;
122 [alternateServerName release]; alternateServerName = nil;
123 [serverReplyDict release]; serverReplyDict = nil;
124 [clientProxyDict release]; clientProxyDict = nil;
125 [connectionNameDict release]; connectionNameDict = nil;
126 [queue release]; queue = nil;
127 [drawData release]; drawData = nil;
128 [frontendProxy release]; frontendProxy = nil;
129 [connection release]; connection = nil;
130 [sysColorDict release]; sysColorDict = nil;
131 [colorDict release]; colorDict = nil;
136 - (void)setBackgroundColor:(int)color
138 backgroundColor = color;
141 - (void)setForegroundColor:(int)color
143 foregroundColor = color;
146 - (void)setSpecialColor:(int)color
148 specialColor = color;
151 - (void)setDefaultColorsBackground:(int)bg foreground:(int)fg
153 defaultBackgroundColor = bg;
154 defaultForegroundColor = fg;
156 NSMutableData *data = [NSMutableData data];
158 [data appendBytes:&bg length:sizeof(int)];
159 [data appendBytes:&fg length:sizeof(int)];
161 [self queueMessage:SetDefaultColorsMsgID data:data];
164 - (NSConnection *)connection
167 // NOTE! If the name of the connection changes here it must also be
168 // updated in MMAppController.m.
169 NSString *name = [NSString stringWithFormat:@"%@-connection",
170 [[NSBundle mainBundle] bundleIdentifier]];
172 connection = [NSConnection connectionWithRegisteredName:name host:nil];
176 // NOTE: 'connection' may be nil here.
182 if (![self connection]) {
183 NSBundle *mainBundle = [NSBundle mainBundle];
185 NSString *path = [mainBundle bundlePath];
186 if (![[NSWorkspace sharedWorkspace] launchApplication:path]) {
187 NSLog(@"WARNING: Failed to launch GUI with path %@", path);
191 // HACK! It would be preferable to launch the GUI using NSWorkspace,
192 // however I have not managed to figure out how to pass arguments using
195 // NOTE! Using NSTask to launch the GUI has the negative side-effect
196 // that the GUI won't be activated (or raised) so there is a hack in
197 // MMWindowController which always raises the app when a new window is
199 NSMutableArray *args = [NSMutableArray arrayWithObjects:
200 [NSString stringWithFormat:@"-%@", MMNoWindowKey], @"yes", nil];
201 NSString *exeName = [[mainBundle infoDictionary]
202 objectForKey:@"CFBundleExecutable"];
203 NSString *path = [mainBundle pathForAuxiliaryExecutable:exeName];
205 NSLog(@"ERROR: Could not find MacVim executable in bundle");
209 [NSTask launchedTaskWithLaunchPath:path arguments:args];
212 // HACK! The NSWorkspaceDidLaunchApplicationNotification does not work
213 // for tasks like this, so poll the mach bootstrap server until it
214 // returns a valid connection. Also set a time-out date so that we
215 // don't get stuck doing this forever.
216 NSDate *timeOutDate = [NSDate dateWithTimeIntervalSinceNow:15];
217 while (!connection &&
218 NSOrderedDescending == [timeOutDate compare:[NSDate date]])
220 [[NSRunLoop currentRunLoop]
221 runMode:NSDefaultRunLoopMode
222 beforeDate:[NSDate dateWithTimeIntervalSinceNow:1]];
224 // NOTE: This call will set 'connection' as a side-effect.
229 NSLog(@"WARNING: Timed-out waiting for GUI to launch.");
234 id proxy = [connection rootProxy];
235 [proxy setProtocolForProxy:@protocol(MMAppProtocol)];
237 [[NSNotificationCenter defaultCenter] addObserver:self
238 selector:@selector(connectionDidDie:)
239 name:NSConnectionDidDieNotification object:connection];
241 int pid = [[NSProcessInfo processInfo] processIdentifier];
244 frontendProxy = [proxy connectBackend:self pid:pid];
246 @catch (NSException *e) {
247 NSLog(@"Exception caught when trying to connect backend: \"%@\"", e);
251 [frontendProxy retain];
252 [frontendProxy setProtocolForProxy:@protocol(MMAppProtocol)];
255 return connection && frontendProxy;
258 - (BOOL)openVimWindow
260 [self queueMessage:OpenVimWindowMsgID data:nil];
266 int type = ClearAllDrawType;
268 // Any draw commands in queue are effectively obsolete since this clearAll
269 // will negate any effect they have, therefore we may as well clear the
271 [drawData setLength:0];
273 [drawData appendBytes:&type length:sizeof(int)];
275 [drawData appendBytes:&defaultBackgroundColor length:sizeof(int)];
278 - (void)clearBlockFromRow:(int)row1 column:(int)col1
279 toRow:(int)row2 column:(int)col2
281 int type = ClearBlockDrawType;
283 [drawData appendBytes:&type length:sizeof(int)];
285 [drawData appendBytes:&defaultBackgroundColor length:sizeof(int)];
286 [drawData appendBytes:&row1 length:sizeof(int)];
287 [drawData appendBytes:&col1 length:sizeof(int)];
288 [drawData appendBytes:&row2 length:sizeof(int)];
289 [drawData appendBytes:&col2 length:sizeof(int)];
292 - (void)deleteLinesFromRow:(int)row count:(int)count
293 scrollBottom:(int)bottom left:(int)left right:(int)right
295 int type = DeleteLinesDrawType;
297 [drawData appendBytes:&type length:sizeof(int)];
299 [drawData appendBytes:&defaultBackgroundColor length:sizeof(int)];
300 [drawData appendBytes:&row length:sizeof(int)];
301 [drawData appendBytes:&count length:sizeof(int)];
302 [drawData appendBytes:&bottom length:sizeof(int)];
303 [drawData appendBytes:&left length:sizeof(int)];
304 [drawData appendBytes:&right length:sizeof(int)];
307 - (void)replaceString:(char*)s length:(int)len row:(int)row column:(int)col
310 if (len <= 0) return;
312 int type = ReplaceStringDrawType;
314 [drawData appendBytes:&type length:sizeof(int)];
316 [drawData appendBytes:&backgroundColor length:sizeof(int)];
317 [drawData appendBytes:&foregroundColor length:sizeof(int)];
318 [drawData appendBytes:&specialColor length:sizeof(int)];
319 [drawData appendBytes:&row length:sizeof(int)];
320 [drawData appendBytes:&col length:sizeof(int)];
321 [drawData appendBytes:&flags length:sizeof(int)];
322 [drawData appendBytes:&len length:sizeof(int)];
323 [drawData appendBytes:s length:len];
326 - (void)insertLinesFromRow:(int)row count:(int)count
327 scrollBottom:(int)bottom left:(int)left right:(int)right
329 int type = InsertLinesDrawType;
331 [drawData appendBytes:&type length:sizeof(int)];
333 [drawData appendBytes:&defaultBackgroundColor length:sizeof(int)];
334 [drawData appendBytes:&row length:sizeof(int)];
335 [drawData appendBytes:&count length:sizeof(int)];
336 [drawData appendBytes:&bottom length:sizeof(int)];
337 [drawData appendBytes:&left length:sizeof(int)];
338 [drawData appendBytes:&right length:sizeof(int)];
341 - (void)drawCursorAtRow:(int)row column:(int)col shape:(int)shape
342 fraction:(int)percent color:(int)color
344 int type = DrawCursorDrawType;
346 [drawData appendBytes:&type length:sizeof(int)];
348 [drawData appendBytes:&color length:sizeof(int)];
349 [drawData appendBytes:&row length:sizeof(int)];
350 [drawData appendBytes:&col length:sizeof(int)];
351 [drawData appendBytes:&shape length:sizeof(int)];
352 [drawData appendBytes:&percent length:sizeof(int)];
355 - (void)flushQueue:(BOOL)force
357 // NOTE! This method gets called a lot; if we were to flush every time it
358 // was called MacVim would feel unresponsive. So there is a time out which
359 // ensures that the queue isn't flushed too often.
360 if (!force && lastFlushDate && -[lastFlushDate timeIntervalSinceNow]
361 < MMFlushTimeoutInterval)
364 if ([drawData length] > 0) {
365 [self queueMessage:BatchDrawMsgID data:[drawData copy]];
366 [drawData setLength:0];
369 if ([queue count] > 0) {
371 [frontendProxy processCommandQueue:queue];
373 @catch (NSException *e) {
374 NSLog(@"Exception caught when processing command queue: \"%@\"", e);
377 [queue removeAllObjects];
379 [lastFlushDate release];
380 lastFlushDate = [[NSDate date] retain];
384 - (BOOL)waitForInput:(int)milliseconds
386 NSDate *date = milliseconds > 0 ?
387 [NSDate dateWithTimeIntervalSinceNow:.001*milliseconds] :
388 [NSDate distantFuture];
390 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:date];
392 // I know of no way to figure out if the run loop exited because input was
393 // found or because of a time out, so I need to manually indicate when
394 // input was received in processInput:data: and then reset it every time
396 BOOL yn = inputReceived;
404 #ifdef MAC_CLIENTSERVER
405 // The default connection is used for the client/server code.
406 [[NSConnection defaultConnection] setRootObject:nil];
407 [[NSConnection defaultConnection] invalidate];
410 // By invalidating the NSConnection the MMWindowController immediately
411 // finds out that the connection is down and as a result
412 // [MMWindowController connectionDidDie:] is invoked.
413 //NSLog(@"%@ %s", [self className], _cmd);
414 [[NSNotificationCenter defaultCenter] removeObserver:self];
415 [connection invalidate];
417 if (fontContainerRef) {
418 ATSFontDeactivate(fontContainerRef, NULL, kATSOptionFlagsDefault);
419 fontContainerRef = 0;
424 - (void)selectTab:(int)index
426 //NSLog(@"%s%d", _cmd, index);
429 NSData *data = [NSData dataWithBytes:&index length:sizeof(int)];
430 [self queueMessage:SelectTabMsgID data:data];
435 //NSLog(@"%s", _cmd);
437 NSMutableData *data = [NSMutableData data];
439 int idx = tabpage_index(curtab) - 1;
440 [data appendBytes:&idx length:sizeof(int)];
443 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next) {
444 // This function puts the label of the tab in the global 'NameBuff'.
445 get_tabline_label(tp, FALSE);
446 char_u *s = NameBuff;
448 if (len <= 0) continue;
451 s = CONVERT_TO_UTF8(s);
454 // Count the number of windows in the tabpage.
455 //win_T *wp = tp->tp_firstwin;
457 //for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount);
459 //[data appendBytes:&wincount length:sizeof(int)];
460 [data appendBytes:&len length:sizeof(int)];
461 [data appendBytes:s length:len];
464 CONVERT_TO_UTF8_FREE(s);
468 [self queueMessage:UpdateTabBarMsgID data:data];
471 - (BOOL)tabBarVisible
473 return tabBarVisible;
476 - (void)showTabBar:(BOOL)enable
478 tabBarVisible = enable;
480 int msgid = enable ? ShowTabBarMsgID : HideTabBarMsgID;
481 [self queueMessage:msgid data:nil];
484 - (void)setRows:(int)rows columns:(int)cols
486 //NSLog(@"[VimTask] setRows:%d columns:%d", rows, cols);
488 int dim[] = { rows, cols };
489 NSData *data = [NSData dataWithBytes:&dim length:2*sizeof(int)];
491 [self queueMessage:SetTextDimensionsMsgID data:data];
494 - (void)setWindowTitle:(char *)title
496 NSMutableData *data = [NSMutableData data];
497 int len = strlen(title);
498 if (len <= 0) return;
500 [data appendBytes:&len length:sizeof(int)];
501 [data appendBytes:title length:len];
503 [self queueMessage:SetWindowTitleMsgID data:data];
506 - (char *)browseForFileInDirectory:(char *)dir title:(char *)title
509 //NSLog(@"browseForFileInDirectory:%s title:%s saving:%d", dir, title,
513 NSString *ds = dir ? [NSString stringWithUTF8String:dir] : nil;
514 NSString *ts = title ? [NSString stringWithUTF8String:title] : nil;
516 [frontendProxy showSavePanelForDirectory:ds title:ts saving:saving];
518 // Wait until a reply is sent from MMVimController.
519 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
520 beforeDate:[NSDate distantFuture]];
522 if (dialogReturn && [dialogReturn isKindOfClass:[NSString class]]) {
523 char_u *ret = (char_u*)[dialogReturn UTF8String];
525 ret = CONVERT_FROM_UTF8(ret);
527 s = vim_strsave(ret);
529 CONVERT_FROM_UTF8_FREE(ret);
533 [dialogReturn release]; dialogReturn = nil;
535 @catch (NSException *e) {
536 NSLog(@"Exception caught when showing save panel: \"%@\"", e);
542 - (oneway void)setDialogReturn:(in bycopy id)obj
544 // NOTE: This is called by
545 // - [MMVimController panelDidEnd:::], and
546 // - [MMVimController alertDidEnd:::],
547 // to indicate that a save/open panel or alert has finished.
549 if (obj != dialogReturn) {
550 [dialogReturn release];
551 dialogReturn = [obj retain];
555 - (int)presentDialogWithType:(int)type title:(char *)title message:(char *)msg
556 buttons:(char *)btns textField:(char *)txtfield
559 NSString *message = nil, *text = nil, *textFieldString = nil;
560 NSArray *buttons = nil;
561 int style = NSInformationalAlertStyle;
563 if (VIM_WARNING == type) style = NSWarningAlertStyle;
564 else if (VIM_ERROR == type) style = NSCriticalAlertStyle;
567 NSString *btnString = [NSString stringWithUTF8String:btns];
568 buttons = [btnString componentsSeparatedByString:@"\n"];
571 message = [NSString stringWithUTF8String:title];
573 text = [NSString stringWithUTF8String:msg];
575 // HACK! If there is a '\n\n' or '\n' sequence in the message, then
576 // make the part up to there into the title. We only do this
577 // because Vim has lots of dialogs without a title and they look
579 // TODO: Fix the actual dialog texts.
580 NSRange eolRange = [text rangeOfString:@"\n\n"];
581 if (NSNotFound == eolRange.location)
582 eolRange = [text rangeOfString:@"\n"];
583 if (NSNotFound != eolRange.location) {
584 message = [text substringToIndex:eolRange.location];
585 text = [text substringFromIndex:NSMaxRange(eolRange)];
590 textFieldString = [NSString stringWithUTF8String:txtfield];
593 [frontendProxy presentDialogWithStyle:style message:message
594 informativeText:text buttonTitles:buttons
595 textFieldString:textFieldString];
597 // Wait until a reply is sent from MMVimController.
598 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
599 beforeDate:[NSDate distantFuture]];
601 if (dialogReturn && [dialogReturn isKindOfClass:[NSArray class]]
602 && [dialogReturn count]) {
603 retval = [[dialogReturn objectAtIndex:0] intValue];
604 if (txtfield && [dialogReturn count] > 1) {
605 NSString *retString = [dialogReturn objectAtIndex:1];
606 char_u *ret = (char_u*)[retString UTF8String];
608 ret = CONVERT_FROM_UTF8(ret);
610 vim_strncpy((char_u*)txtfield, ret, IOSIZE - 1);
612 CONVERT_FROM_UTF8_FREE(ret);
617 [dialogReturn release]; dialogReturn = nil;
619 @catch (NSException *e) {
620 NSLog(@"Exception caught while showing alert dialog: \"%@\"", e);
626 - (void)addMenuWithTag:(int)tag parent:(int)parentTag name:(char *)name
629 //NSLog(@"addMenuWithTag:%d parent:%d name:%s atIndex:%d", tag, parentTag,
632 int namelen = name ? strlen(name) : 0;
633 NSMutableData *data = [NSMutableData data];
635 [data appendBytes:&tag length:sizeof(int)];
636 [data appendBytes:&parentTag length:sizeof(int)];
637 [data appendBytes:&namelen length:sizeof(int)];
638 if (namelen > 0) [data appendBytes:name length:namelen];
639 [data appendBytes:&index length:sizeof(int)];
641 [self queueMessage:AddMenuMsgID data:data];
644 - (void)addMenuItemWithTag:(int)tag parent:(int)parentTag name:(char *)name
645 tip:(char *)tip icon:(char *)icon
646 keyEquivalent:(int)key modifiers:(int)mods
647 action:(NSString *)action atIndex:(int)index
649 //NSLog(@"addMenuItemWithTag:%d parent:%d name:%s tip:%s atIndex:%d", tag,
650 // parentTag, name, tip, index);
652 int namelen = name ? strlen(name) : 0;
653 int tiplen = tip ? strlen(tip) : 0;
654 int iconlen = icon ? strlen(icon) : 0;
655 int eventFlags = vimModMaskToEventModifierFlags(mods);
656 int actionlen = [action lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
657 NSMutableData *data = [NSMutableData data];
659 key = specialKeyToNSKey(key);
661 [data appendBytes:&tag length:sizeof(int)];
662 [data appendBytes:&parentTag length:sizeof(int)];
663 [data appendBytes:&namelen length:sizeof(int)];
664 if (namelen > 0) [data appendBytes:name length:namelen];
665 [data appendBytes:&tiplen length:sizeof(int)];
666 if (tiplen > 0) [data appendBytes:tip length:tiplen];
667 [data appendBytes:&iconlen length:sizeof(int)];
668 if (iconlen > 0) [data appendBytes:icon length:iconlen];
669 [data appendBytes:&actionlen length:sizeof(int)];
670 if (actionlen > 0) [data appendBytes:[action UTF8String] length:actionlen];
671 [data appendBytes:&index length:sizeof(int)];
672 [data appendBytes:&key length:sizeof(int)];
673 [data appendBytes:&eventFlags length:sizeof(int)];
675 [self queueMessage:AddMenuItemMsgID data:data];
678 - (void)removeMenuItemWithTag:(int)tag
680 NSMutableData *data = [NSMutableData data];
681 [data appendBytes:&tag length:sizeof(int)];
683 [self queueMessage:RemoveMenuItemMsgID data:data];
686 - (void)enableMenuItemWithTag:(int)tag state:(int)enabled
688 NSMutableData *data = [NSMutableData data];
690 [data appendBytes:&tag length:sizeof(int)];
691 [data appendBytes:&enabled length:sizeof(int)];
693 [self queueMessage:EnableMenuItemMsgID data:data];
696 - (void)showPopupMenuWithName:(char *)name atMouseLocation:(BOOL)mouse
698 int len = strlen(name);
699 int row = -1, col = -1;
701 if (len <= 0) return;
703 if (!mouse && curwin) {
704 row = curwin->w_wrow;
705 col = curwin->w_wcol;
708 NSMutableData *data = [NSMutableData data];
710 [data appendBytes:&row length:sizeof(int)];
711 [data appendBytes:&col length:sizeof(int)];
712 [data appendBytes:&len length:sizeof(int)];
713 [data appendBytes:name length:len];
715 [self queueMessage:ShowPopupMenuMsgID data:data];
718 - (void)showToolbar:(int)enable flags:(int)flags
720 NSMutableData *data = [NSMutableData data];
722 [data appendBytes:&enable length:sizeof(int)];
723 [data appendBytes:&flags length:sizeof(int)];
725 [self queueMessage:ShowToolbarMsgID data:data];
728 - (void)createScrollbarWithIdentifier:(long)ident type:(int)type
730 NSMutableData *data = [NSMutableData data];
732 [data appendBytes:&ident length:sizeof(long)];
733 [data appendBytes:&type length:sizeof(int)];
735 [self queueMessage:CreateScrollbarMsgID data:data];
738 - (void)destroyScrollbarWithIdentifier:(long)ident
740 NSMutableData *data = [NSMutableData data];
741 [data appendBytes:&ident length:sizeof(long)];
743 [self queueMessage:DestroyScrollbarMsgID data:data];
746 - (void)showScrollbarWithIdentifier:(long)ident state:(int)visible
748 NSMutableData *data = [NSMutableData data];
750 [data appendBytes:&ident length:sizeof(long)];
751 [data appendBytes:&visible length:sizeof(int)];
753 [self queueMessage:ShowScrollbarMsgID data:data];
756 - (void)setScrollbarPosition:(int)pos length:(int)len identifier:(long)ident
758 NSMutableData *data = [NSMutableData data];
760 [data appendBytes:&ident length:sizeof(long)];
761 [data appendBytes:&pos length:sizeof(int)];
762 [data appendBytes:&len length:sizeof(int)];
764 [self queueMessage:SetScrollbarPositionMsgID data:data];
767 - (void)setScrollbarThumbValue:(long)val size:(long)size max:(long)max
768 identifier:(long)ident
770 float fval = max-size+1 > 0 ? (float)val/(max-size+1) : 0;
771 float prop = (float)size/(max+1);
772 if (fval < 0) fval = 0;
773 else if (fval > 1.0f) fval = 1.0f;
774 if (prop < 0) prop = 0;
775 else if (prop > 1.0f) prop = 1.0f;
777 NSMutableData *data = [NSMutableData data];
779 [data appendBytes:&ident length:sizeof(long)];
780 [data appendBytes:&fval length:sizeof(float)];
781 [data appendBytes:&prop length:sizeof(float)];
783 [self queueMessage:SetScrollbarThumbMsgID data:data];
786 - (BOOL)setFontWithName:(char *)name
788 NSString *fontName = MMDefaultFontName;
789 float size = MMDefaultFontSize;
790 BOOL parseFailed = NO;
793 fontName = [NSString stringWithUTF8String:name];
795 if ([fontName isEqual:@"*"]) {
796 // :set gfn=* shows the font panel.
797 do_cmdline_cmd((char_u*)":action orderFrontFontPanel:");
801 NSArray *components = [fontName componentsSeparatedByString:@":"];
802 if ([components count] == 2) {
803 NSString *sizeString = [components lastObject];
804 if ([sizeString length] > 0
805 && [sizeString characterAtIndex:0] == 'h') {
806 sizeString = [sizeString substringFromIndex:1];
807 if ([sizeString length] > 0) {
808 size = [sizeString floatValue];
809 fontName = [components objectAtIndex:0];
814 } else if ([components count] > 2) {
819 if (!parseFailed && [fontName length] > 0) {
820 if (size < 6 || size > 100) {
821 // Font size 0.0 tells NSFont to use the 'user default size'.
825 NSFont *font = [NSFont fontWithName:fontName size:size];
827 if (!font && MMDefaultFontName == fontName) {
828 // If for some reason the MacVim default font is not in the app
829 // bundle, then fall back on the system default font.
831 font = [NSFont userFixedPitchFontOfSize:size];
832 fontName = [font displayName];
836 //NSLog(@"Setting font '%@' of size %.2f", fontName, size);
838 lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
840 NSMutableData *data = [NSMutableData data];
842 [data appendBytes:&size length:sizeof(float)];
843 [data appendBytes:&len length:sizeof(int)];
844 [data appendBytes:[fontName UTF8String] length:len];
846 [self queueMessage:SetFontMsgID data:data];
852 //NSLog(@"WARNING: Cannot set font with name '%@' of size %.2f",
857 - (void)executeActionWithName:(NSString *)name
859 int len = [name lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
862 NSMutableData *data = [NSMutableData data];
864 [data appendBytes:&len length:sizeof(int)];
865 [data appendBytes:[name UTF8String] length:len];
867 [self queueMessage:ExecuteActionMsgID data:data];
871 - (void)setMouseShape:(int)shape
873 NSMutableData *data = [NSMutableData data];
874 [data appendBytes:&shape length:sizeof(int)];
875 [self queueMessage:SetMouseShapeMsgID data:data];
878 - (void)setBlinkWait:(int)wait on:(int)on off:(int)off
880 // Vim specifies times in milliseconds, whereas Cocoa wants them in
882 blinkWaitInterval = .001f*wait;
883 blinkOnInterval = .001f*on;
884 blinkOffInterval = .001f*off;
890 [blinkTimer invalidate];
891 [blinkTimer release];
895 if (blinkWaitInterval > 0 && blinkOnInterval > 0 && blinkOffInterval > 0
897 blinkState = MMBlinkStateOn;
899 [[NSTimer scheduledTimerWithTimeInterval:blinkWaitInterval
901 selector:@selector(blinkTimerFired:)
902 userInfo:nil repeats:NO] retain];
903 gui_update_cursor(TRUE, FALSE);
904 [self flushQueue:YES];
910 if (MMBlinkStateOff == blinkState) {
911 gui_update_cursor(TRUE, FALSE);
912 [self flushQueue:YES];
915 blinkState = MMBlinkStateNone;
918 - (void)adjustLinespace:(int)linespace
920 NSMutableData *data = [NSMutableData data];
921 [data appendBytes:&linespace length:sizeof(int)];
922 [self queueMessage:AdjustLinespaceMsgID data:data];
927 [self queueMessage:ActivateMsgID data:nil];
930 - (int)lookupColorWithKey:(NSString *)key
932 if (!(key && [key length] > 0))
935 NSString *stripKey = [[[[key lowercaseString]
936 stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]
937 componentsSeparatedByString:@" "]
938 componentsJoinedByString:@""];
940 if (stripKey && [stripKey length] > 0) {
941 // First of all try to lookup key in the color dictionary; note that
942 // all keys in this dictionary are lowercase with no whitespace.
943 id obj = [colorDict objectForKey:stripKey];
944 if (obj) return [obj intValue];
946 // The key was not in the dictionary; is it perhaps of the form
948 if ([stripKey length] > 1 && [stripKey characterAtIndex:0] == '#') {
949 NSScanner *scanner = [NSScanner scannerWithString:stripKey];
950 [scanner setScanLocation:1];
952 if ([scanner scanHexInt:&hex]) {
957 // As a last resort, check if it is one of the system defined colors.
958 // The keys in this dictionary are also lowercase with no whitespace.
959 obj = [sysColorDict objectForKey:stripKey];
961 NSColor *col = [NSColor performSelector:NSSelectorFromString(obj)];
964 col = [col colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
965 [col getRed:&r green:&g blue:&b alpha:&a];
966 return (((int)(r*255+.5f) & 0xff) << 16)
967 + (((int)(g*255+.5f) & 0xff) << 8)
968 + ((int)(b*255+.5f) & 0xff);
973 NSLog(@"WARNING: No color with key %@ found.", stripKey);
977 - (BOOL)hasSpecialKeyWithValue:(NSString *)value
979 NSEnumerator *e = [[MMBackend specialKeys] objectEnumerator];
982 while ((obj = [e nextObject])) {
983 if ([value isEqual:obj])
990 - (oneway void)processInput:(int)msgid data:(in NSData *)data
992 // NOTE: This method might get called whenever the run loop is tended to.
993 // Thus it might get called whilst input is being processed. Normally this
994 // is not a problem, but if it gets called often then it might become
995 // dangerous. E.g. say a message causes the screen to be redrawn and then
996 // another message is received causing another simultaneous screen redraw;
997 // this is not good. To deal with this problem at the moment, we simply
998 // drop messages that are received while other input is being processed.
999 if (inProcessInput) {
1000 #if MM_USE_INPUT_QUEUE
1001 [inputQueue addObject:[NSNumber numberWithInt:msgid]];
1002 [inputQueue addObject:data];
1004 // Just drop the input
1005 //NSLog(@"WARNING: Dropping input in %s", _cmd);
1008 [self processInputBegin];
1009 [self handleMessage:msgid data:data];
1010 [self processInputEnd];
1014 - (oneway void)processInputAndData:(in NSArray *)messages
1016 // NOTE: See comment in processInput:data:.
1017 unsigned i, count = [messages count];
1019 NSLog(@"WARNING: [messages count] is odd in %s", _cmd);
1023 if (inProcessInput) {
1024 #if MM_USE_INPUT_QUEUE
1025 [inputQueue addObjectsFromArray:messages];
1027 // Just drop the input
1028 //NSLog(@"WARNING: Dropping input in %s", _cmd);
1031 [self processInputBegin];
1033 for (i = 0; i < count; i += 2) {
1034 int msgid = [[messages objectAtIndex:i] intValue];
1035 id data = [messages objectAtIndex:i+1];
1036 if ([data isEqual:[NSNull null]])
1039 [self handleMessage:msgid data:data];
1042 [self processInputEnd];
1046 - (BOOL)checkForModifiedBuffers
1049 for (buf = firstbuf; buf != NULL; buf = buf->b_next) {
1050 if (bufIsChanged(buf)) {
1058 - (BOOL)starRegisterToPasteboard:(byref NSPasteboard *)pboard
1060 if (VIsual_active && (State & NORMAL) && clip_star.available) {
1061 // If there is no pasteboard, return YES to indicate that there is text
1066 clip_copy_selection();
1068 // Get the text to put on the pasteboard.
1069 long_u llen = 0; char_u *str = 0;
1070 int type = clip_convert_selection(&str, &llen, &clip_star);
1074 // TODO: Avoid overflow.
1075 int len = (int)llen;
1077 if (output_conv.vc_type != CONV_NONE) {
1078 char_u *conv_str = string_convert(&output_conv, str, &len);
1086 NSString *string = [[NSString alloc]
1087 initWithBytes:str length:len encoding:NSUTF8StringEncoding];
1089 NSArray *types = [NSArray arrayWithObject:NSStringPboardType];
1090 [pboard declareTypes:types owner:nil];
1091 BOOL ok = [pboard setString:string forType:NSStringPboardType];
1102 - (oneway void)addReply:(in bycopy NSString *)reply
1103 server:(in byref id <MMVimServerProtocol>)server
1105 //NSLog(@"addReply:%@ server:%@", reply, (id)server);
1107 // Replies might come at any time and in any order so we keep them in an
1108 // array inside a dictionary with the send port used as key.
1110 NSConnection *conn = [(NSDistantObject*)server connectionForProxy];
1111 // HACK! Assume connection uses mach ports.
1112 int port = [(NSMachPort*)[conn sendPort] machPort];
1113 NSNumber *key = [NSNumber numberWithInt:port];
1115 NSMutableArray *replies = [serverReplyDict objectForKey:key];
1117 replies = [NSMutableArray array];
1118 [serverReplyDict setObject:replies forKey:key];
1121 [replies addObject:reply];
1124 - (void)addInput:(in bycopy NSString *)input
1125 client:(in byref id <MMVimClientProtocol>)client
1127 //NSLog(@"addInput:%@ client:%@", input, (id)client);
1129 char_u *s = (char_u*)[input UTF8String];
1132 s = CONVERT_FROM_UTF8(s);
1135 server_to_input_buf(s);
1138 CONVERT_FROM_UTF8_FREE(s);
1141 [self addClient:(id)client];
1143 inputReceived = YES;
1146 - (NSString *)evaluateExpression:(in bycopy NSString *)expr
1147 client:(in byref id <MMVimClientProtocol>)client
1149 //NSLog(@"evaluateExpression:%@ client:%@", expr, (id)client);
1151 NSString *eval = nil;
1152 char_u *s = (char_u*)[expr UTF8String];
1155 s = CONVERT_FROM_UTF8(s);
1158 char_u *res = eval_client_expr_to_string(s);
1161 CONVERT_FROM_UTF8_FREE(s);
1167 s = CONVERT_TO_UTF8(s);
1169 eval = [NSString stringWithUTF8String:(char*)s];
1171 CONVERT_TO_UTF8_FREE(s);
1176 [self addClient:(id)client];
1181 - (void)registerServerWithName:(NSString *)name
1183 NSString *svrName = name;
1184 NSConnection *svrConn = [NSConnection defaultConnection];
1187 for (i = 0; i < MMServerMax; ++i) {
1188 NSString *connName = [self connectionNameFromServerName:svrName];
1190 if ([svrConn registerName:connName]) {
1191 //NSLog(@"Registered server with name: %@", svrName);
1193 // TODO: Set request/reply time-outs to something else?
1195 // Don't wait for requests (time-out means that the message is
1197 [svrConn setRequestTimeout:0];
1198 //[svrConn setReplyTimeout:MMReplyTimeout];
1199 [svrConn setRootObject:self];
1201 char_u *s = (char_u*)[svrName UTF8String];
1203 s = CONVERT_FROM_UTF8(s);
1205 // NOTE: 'serverName' is a global variable
1206 serverName = vim_strsave(s);
1208 CONVERT_FROM_UTF8_FREE(s);
1211 set_vim_var_string(VV_SEND_SERVER, serverName, -1);
1214 need_maketitle = TRUE;
1216 [self queueMessage:SetServerNameMsgID data:
1217 [svrName dataUsingEncoding:NSUTF8StringEncoding]];
1221 svrName = [NSString stringWithFormat:@"%@%d", name, i+1];
1225 - (BOOL)sendToServer:(NSString *)name string:(NSString *)string
1226 reply:(char_u **)reply port:(int *)port expression:(BOOL)expr
1229 // NOTE: If 'name' equals 'serverName' then the request is local (client
1230 // and server are the same). This case is not handled separately, so a
1231 // connection will be set up anyway (this simplifies the code).
1233 NSConnection *conn = [self connectionForServerName:name];
1236 char_u *s = (char_u*)[name UTF8String];
1238 s = CONVERT_FROM_UTF8(s);
1240 EMSG2(_(e_noserver), s);
1242 CONVERT_FROM_UTF8_FREE(s);
1249 // HACK! Assume connection uses mach ports.
1250 *port = [(NSMachPort*)[conn sendPort] machPort];
1253 id proxy = [conn rootProxy];
1254 [proxy setProtocolForProxy:@protocol(MMVimServerProtocol)];
1258 NSString *eval = [proxy evaluateExpression:string client:self];
1261 char_u *r = (char_u*)[eval UTF8String];
1263 r = CONVERT_FROM_UTF8(r);
1265 *reply = vim_strsave(r);
1267 CONVERT_FROM_UTF8_FREE(r);
1270 *reply = vim_strsave((char_u*)_(e_invexprmsg));
1277 [proxy addInput:string client:self];
1280 @catch (NSException *e) {
1281 NSLog(@"WARNING: Caught exception in %s: \"%@\"", _cmd, e);
1288 - (NSArray *)serverList
1290 NSArray *list = nil;
1292 if ([self connection]) {
1293 id proxy = [connection rootProxy];
1294 [proxy setProtocolForProxy:@protocol(MMAppProtocol)];
1297 list = [proxy serverList];
1299 @catch (NSException *e) {
1300 NSLog(@"Exception caught when listing servers: \"%@\"", e);
1303 EMSG(_("E???: No connection to MacVim, server listing not possible."));
1309 - (NSString *)peekForReplyOnPort:(int)port
1311 //NSLog(@"%s%d", _cmd, port);
1313 NSNumber *key = [NSNumber numberWithInt:port];
1314 NSMutableArray *replies = [serverReplyDict objectForKey:key];
1315 if (replies && [replies count]) {
1316 //NSLog(@" %d replies, topmost is: %@", [replies count],
1317 // [replies objectAtIndex:0]);
1318 return [replies objectAtIndex:0];
1321 //NSLog(@" No replies");
1325 - (NSString *)waitForReplyOnPort:(int)port
1327 //NSLog(@"%s%d", _cmd, port);
1329 NSConnection *conn = [self connectionForServerPort:port];
1333 NSNumber *key = [NSNumber numberWithInt:port];
1334 NSMutableArray *replies = nil;
1335 NSString *reply = nil;
1337 // Wait for reply as long as the connection to the server is valid (unless
1338 // user interrupts wait with Ctrl-C).
1339 while (!got_int && [conn isValid] &&
1340 !(replies = [serverReplyDict objectForKey:key])) {
1341 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
1342 beforeDate:[NSDate distantFuture]];
1346 if ([replies count] > 0) {
1347 reply = [[replies objectAtIndex:0] retain];
1348 //NSLog(@" Got reply: %@", reply);
1349 [replies removeObjectAtIndex:0];
1350 [reply autorelease];
1353 if ([replies count] == 0)
1354 [serverReplyDict removeObjectForKey:key];
1360 - (BOOL)sendReply:(NSString *)reply toPort:(int)port
1362 id client = [clientProxyDict objectForKey:[NSNumber numberWithInt:port]];
1365 //NSLog(@"sendReply:%@ toPort:%d", reply, port);
1366 [client addReply:reply server:self];
1369 @catch (NSException *e) {
1370 NSLog(@"WARNING: Exception caught in %s: \"%@\"", _cmd, e);
1373 EMSG2(_("E???: server2client failed; no client with id 0x%x"), port);
1383 @implementation MMBackend (Private)
1385 - (void)handleMessage:(int)msgid data:(NSData *)data
1387 if (InsertTextMsgID == msgid) {
1389 NSString *key = [[NSString alloc] initWithData:data
1390 encoding:NSUTF8StringEncoding];
1391 char_u *str = (char_u*)[key UTF8String];
1392 int i, len = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
1395 char_u *conv_str = NULL;
1396 if (input_conv.vc_type != CONV_NONE) {
1397 conv_str = string_convert(&input_conv, str, &len);
1403 for (i = 0; i < len; ++i) {
1404 add_to_input_buf(str+i, 1);
1405 if (CSI == str[i]) {
1406 // NOTE: If the converted string contains the byte CSI, then it
1407 // must be followed by the bytes KS_EXTRA, KE_CSI or things
1409 static char_u extra[2] = { KS_EXTRA, KE_CSI };
1410 add_to_input_buf(extra, 2);
1419 } else if (KeyDownMsgID == msgid || CmdKeyMsgID == msgid) {
1421 const void *bytes = [data bytes];
1422 int mods = *((int*)bytes); bytes += sizeof(int);
1423 int len = *((int*)bytes); bytes += sizeof(int);
1424 NSString *key = [[NSString alloc] initWithBytes:bytes length:len
1425 encoding:NSUTF8StringEncoding];
1426 mods = eventModifierFlagsToVimModMask(mods);
1428 [self handleKeyDown:key modifiers:mods];
1431 } else if (SelectTabMsgID == msgid) {
1433 const void *bytes = [data bytes];
1434 int idx = *((int*)bytes) + 1;
1435 //NSLog(@"Selecting tab %d", idx);
1436 send_tabline_event(idx);
1437 } else if (CloseTabMsgID == msgid) {
1439 const void *bytes = [data bytes];
1440 int idx = *((int*)bytes) + 1;
1441 //NSLog(@"Closing tab %d", idx);
1442 send_tabline_menu_event(idx, TABLINE_MENU_CLOSE);
1443 } else if (AddNewTabMsgID == msgid) {
1444 //NSLog(@"Adding new tab");
1445 send_tabline_menu_event(0, TABLINE_MENU_NEW);
1446 } else if (DraggedTabMsgID == msgid) {
1448 const void *bytes = [data bytes];
1449 // NOTE! The destination index is 0 based, so do not add 1 to make it 1
1451 int idx = *((int*)bytes);
1454 } else if (ScrollWheelMsgID == msgid) {
1456 const void *bytes = [data bytes];
1458 int row = *((int*)bytes); bytes += sizeof(int);
1459 int col = *((int*)bytes); bytes += sizeof(int);
1460 int flags = *((int*)bytes); bytes += sizeof(int);
1461 float dy = *((float*)bytes); bytes += sizeof(float);
1463 int button = MOUSE_5;
1464 if (dy > 0) button = MOUSE_4;
1466 flags = eventModifierFlagsToVimMouseModMask(flags);
1468 gui_send_mouse_event(button, col, row, NO, flags);
1469 } else if (MouseDownMsgID == msgid) {
1471 const void *bytes = [data bytes];
1473 int row = *((int*)bytes); bytes += sizeof(int);
1474 int col = *((int*)bytes); bytes += sizeof(int);
1475 int button = *((int*)bytes); bytes += sizeof(int);
1476 int flags = *((int*)bytes); bytes += sizeof(int);
1477 int count = *((int*)bytes); bytes += sizeof(int);
1479 button = eventButtonNumberToVimMouseButton(button);
1480 flags = eventModifierFlagsToVimMouseModMask(flags);
1482 gui_send_mouse_event(button, col, row, count>1, flags);
1483 } else if (MouseUpMsgID == msgid) {
1485 const void *bytes = [data bytes];
1487 int row = *((int*)bytes); bytes += sizeof(int);
1488 int col = *((int*)bytes); bytes += sizeof(int);
1489 int flags = *((int*)bytes); bytes += sizeof(int);
1491 flags = eventModifierFlagsToVimMouseModMask(flags);
1493 gui_send_mouse_event(MOUSE_RELEASE, col, row, NO, flags);
1494 } else if (MouseDraggedMsgID == msgid) {
1496 const void *bytes = [data bytes];
1498 int row = *((int*)bytes); bytes += sizeof(int);
1499 int col = *((int*)bytes); bytes += sizeof(int);
1500 int flags = *((int*)bytes); bytes += sizeof(int);
1502 flags = eventModifierFlagsToVimMouseModMask(flags);
1504 gui_send_mouse_event(MOUSE_DRAG, col, row, NO, flags);
1505 } else if (SetTextDimensionsMsgID == msgid) {
1507 const void *bytes = [data bytes];
1508 int rows = *((int*)bytes); bytes += sizeof(int);
1509 int cols = *((int*)bytes); bytes += sizeof(int);
1511 // NOTE! Vim doesn't call gui_mch_set_shellsize() after
1512 // gui_resize_shell(), so we have to manually set the rows and columns
1513 // here. (MacVim doesn't change the rows and columns to avoid
1514 // inconsistent states between Vim and MacVim.)
1515 [self setRows:rows columns:cols];
1517 //NSLog(@"[VimTask] Resizing shell to %dx%d.", cols, rows);
1518 gui_resize_shell(cols, rows);
1519 } else if (ExecuteMenuMsgID == msgid) {
1521 const void *bytes = [data bytes];
1522 int tag = *((int*)bytes); bytes += sizeof(int);
1524 vimmenu_T *menu = (vimmenu_T*)tag;
1525 // TODO! Make sure 'menu' is a valid menu pointer!
1529 } else if (ToggleToolbarMsgID == msgid) {
1530 char_u go[sizeof(GO_ALL)+2];
1535 p = vim_strchr(go, GO_TOOLBAR);
1539 char_u *end = go + len;
1545 go[len] = GO_TOOLBAR;
1549 set_option_value((char_u*)"guioptions", 0, go, 0);
1551 // Force screen redraw (does it have to be this complicated?).
1552 redraw_all_later(CLEAR);
1553 update_screen(NOT_VALID);
1556 gui_update_cursor(FALSE, FALSE);
1558 } else if (ScrollbarEventMsgID == msgid) {
1560 const void *bytes = [data bytes];
1561 long ident = *((long*)bytes); bytes += sizeof(long);
1562 int hitPart = *((int*)bytes); bytes += sizeof(int);
1563 float fval = *((float*)bytes); bytes += sizeof(float);
1564 scrollbar_T *sb = gui_find_scrollbar(ident);
1567 scrollbar_T *sb_info = sb->wp ? &sb->wp->w_scrollbars[0] : sb;
1568 long value = sb_info->value;
1569 long size = sb_info->size;
1570 long max = sb_info->max;
1571 BOOL isStillDragging = NO;
1572 BOOL updateKnob = YES;
1575 case NSScrollerDecrementPage:
1576 value -= (size > 2 ? size - 2 : 1);
1578 case NSScrollerIncrementPage:
1579 value += (size > 2 ? size - 2 : 1);
1581 case NSScrollerDecrementLine:
1584 case NSScrollerIncrementLine:
1587 case NSScrollerKnob:
1588 isStillDragging = YES;
1590 case NSScrollerKnobSlot:
1591 value = (long)(fval * (max - size + 1));
1598 //NSLog(@"value %d -> %d", sb_info->value, value);
1599 gui_drag_scrollbar(sb, value, isStillDragging);
1602 // Dragging the knob or option+clicking automatically updates
1603 // the knob position (on the actual NSScroller), so we only
1604 // need to set the knob position in the other cases.
1606 // Update both the left&right vertical scrollbars.
1607 long identLeft = sb->wp->w_scrollbars[SBAR_LEFT].ident;
1608 long identRight = sb->wp->w_scrollbars[SBAR_RIGHT].ident;
1609 [self setScrollbarThumbValue:value size:size max:max
1610 identifier:identLeft];
1611 [self setScrollbarThumbValue:value size:size max:max
1612 identifier:identRight];
1614 // Update the horizontal scrollbar.
1615 [self setScrollbarThumbValue:value size:size max:max
1620 } else if (SetFontMsgID == msgid) {
1622 const void *bytes = [data bytes];
1623 float pointSize = *((float*)bytes); bytes += sizeof(float);
1624 //unsigned len = *((unsigned*)bytes); bytes += sizeof(unsigned);
1625 bytes += sizeof(unsigned); // len not used
1627 NSMutableString *name = [NSMutableString stringWithUTF8String:bytes];
1628 [name appendString:[NSString stringWithFormat:@":h%.2f", pointSize]];
1629 char_u *s = (char_u*)[name UTF8String];
1632 s = CONVERT_FROM_UTF8(s);
1635 set_option_value((char_u*)"guifont", 0, s, 0);
1638 CONVERT_FROM_UTF8_FREE(s);
1641 // Force screen redraw (does it have to be this complicated?).
1642 redraw_all_later(CLEAR);
1643 update_screen(NOT_VALID);
1646 gui_update_cursor(FALSE, FALSE);
1648 } else if (VimShouldCloseMsgID == msgid) {
1650 } else if (DropFilesMsgID == msgid) {
1652 const void *bytes = [data bytes];
1653 const void *end = [data bytes] + [data length];
1654 int n = *((int*)bytes); bytes += sizeof(int);
1656 if (State & CMDLINE) {
1657 // HACK! If Vim is in command line mode then the files names
1658 // should be added to the command line, instead of opening the
1659 // files in tabs. This is taken care of by gui_handle_drop().
1660 char_u **fnames = (char_u **)alloc(n * sizeof(char_u *));
1663 while (bytes < end && i < n) {
1664 int len = *((int*)bytes); bytes += sizeof(int);
1665 char_u *s = (char_u*)bytes;
1667 s = CONVERT_FROM_UTF8(s);
1669 fnames[i++] = vim_strsave(s);
1671 CONVERT_FROM_UTF8_FREE(s);
1676 // NOTE! This function will free 'fnames'.
1677 // HACK! It is assumed that the 'x' and 'y' arguments are
1678 // unused when in command line mode.
1679 gui_handle_drop(0, 0, 0, fnames, i < n ? i : n);
1682 // HACK! I'm not sure how to get Vim to open a list of files in
1683 // tabs, so instead I create a ':tab drop' command with all the
1684 // files to open and execute it.
1685 NSMutableString *cmd = (n > 1)
1686 ? [NSMutableString stringWithString:@":tab drop"]
1687 : [NSMutableString stringWithString:@":drop"];
1690 for (i = 0; i < n && bytes < end; ++i) {
1691 int len = *((int*)bytes); bytes += sizeof(int);
1692 NSMutableString *file =
1693 [NSMutableString stringWithUTF8String:bytes];
1694 [file replaceOccurrencesOfString:@" "
1697 range:NSMakeRange(0,[file length])];
1700 [cmd appendString:@" "];
1701 [cmd appendString:file];
1704 // By going to the last tabpage we ensure that the new tabs will
1705 // appear last (if this call is left out, the taborder becomes
1709 char_u *s = (char_u*)[cmd UTF8String];
1711 s = CONVERT_FROM_UTF8(s);
1715 CONVERT_FROM_UTF8_FREE(s);
1718 // Force screen redraw (does it have to be this complicated?).
1719 // (This code was taken from the end of gui_handle_drop().)
1720 update_screen(NOT_VALID);
1723 gui_update_cursor(FALSE, FALSE);
1727 } else if (DropStringMsgID == msgid) {
1729 char_u dropkey[3] = { CSI, KS_EXTRA, (char_u)KE_DROP };
1730 const void *bytes = [data bytes];
1731 int len = *((int*)bytes); bytes += sizeof(int);
1732 NSMutableString *string = [NSMutableString stringWithUTF8String:bytes];
1734 // Replace unrecognized end-of-line sequences with \x0a (line feed).
1735 NSRange range = { 0, [string length] };
1736 unsigned n = [string replaceOccurrencesOfString:@"\x0d\x0a"
1737 withString:@"\x0a" options:0
1740 n = [string replaceOccurrencesOfString:@"\x0d" withString:@"\x0a"
1741 options:0 range:range];
1744 len = [string lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
1745 char_u *s = (char_u*)[string UTF8String];
1747 if (input_conv.vc_type != CONV_NONE)
1748 s = string_convert(&input_conv, s, &len);
1750 dnd_yank_drag_data(s, len);
1752 if (input_conv.vc_type != CONV_NONE)
1755 add_to_input_buf(dropkey, sizeof(dropkey));
1757 } else if (GotFocusMsgID == msgid) {
1759 [self focusChange:YES];
1760 } else if (LostFocusMsgID == msgid) {
1762 [self focusChange:NO];
1763 } else if (MouseMovedMsgID == msgid) {
1764 const void *bytes = [data bytes];
1765 int row = *((int*)bytes); bytes += sizeof(int);
1766 int col = *((int*)bytes); bytes += sizeof(int);
1768 gui_mouse_moved(col, row);
1769 } else if (SetMouseShapeMsgID == msgid) {
1770 const void *bytes = [data bytes];
1771 int shape = *((int*)bytes); bytes += sizeof(int);
1772 update_mouseshape(shape);
1774 NSLog(@"WARNING: Unknown message received (msgid=%d)", msgid);
1778 + (NSDictionary *)specialKeys
1780 static NSDictionary *specialKeys = nil;
1783 NSBundle *mainBundle = [NSBundle mainBundle];
1784 NSString *path = [mainBundle pathForResource:@"SpecialKeys"
1786 specialKeys = [[NSDictionary alloc] initWithContentsOfFile:path];
1792 - (void)handleKeyDown:(NSString *)key modifiers:(int)mods
1796 char_u *chars = (char_u*)[key UTF8String];
1798 char_u *conv_str = NULL;
1800 int length = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
1802 // Special keys (arrow keys, function keys, etc.) are stored in a plist so
1803 // that new keys can easily be added.
1804 NSString *specialString = [[MMBackend specialKeys]
1806 if (specialString && [specialString length] > 1) {
1807 //NSLog(@"special key: %@", specialString);
1808 int ikey = TO_SPECIAL([specialString characterAtIndex:0],
1809 [specialString characterAtIndex:1]);
1811 ikey = simplify_key(ikey, &mods);
1816 special[1] = K_SECOND(ikey);
1817 special[2] = K_THIRD(ikey);
1821 } else if (1 == length && TAB == chars[0]) {
1822 // Tab is a trouble child:
1823 // - <Tab> is added to the input buffer as is
1824 // - <S-Tab> is translated to, {CSI,'k','B'} (i.e. 'Back-tab')
1825 // - <M-Tab> should be 0x80|TAB but this is not valid utf-8 so it needs
1826 // to be converted to utf-8
1827 // - <S-M-Tab> is translated to <S-Tab> with ALT modifier
1828 // - <C-Tab> is reserved by Mac OS X
1829 // - <D-Tab> is reserved by Mac OS X
1834 if (mods & MOD_MASK_SHIFT) {
1835 mods &= ~MOD_MASK_SHIFT;
1837 special[1] = K_SECOND(K_S_TAB);
1838 special[2] = K_THIRD(K_S_TAB);
1840 } else if (mods & MOD_MASK_ALT) {
1841 int mtab = 0x80 | TAB;
1844 special[0] = (mtab >> 6) + 0xc0;
1845 special[1] = mtab & 0xbf;
1851 mods &= ~MOD_MASK_ALT;
1853 } else if (length > 0) {
1854 unichar c = [key characterAtIndex:0];
1856 //NSLog(@"non-special: %@ (hex=%x, mods=%d)", key,
1857 // [key characterAtIndex:0], mods);
1859 if (length == 1 && ((c == Ctrl_C && ctrl_c_interrupts)
1860 || (c == intr_char && intr_char != Ctrl_C))) {
1865 // HACK! In most circumstances the Ctrl and Shift modifiers should be
1866 // cleared since they are already added to the key by the AppKit.
1867 // Unfortunately, the only way to deal with when to clear the modifiers
1868 // or not seems to be to have hard-wired rules like this.
1869 if ( !((' ' == c) || (0xa0 == c) || (mods & MOD_MASK_CMD)
1871 mods &= ~MOD_MASK_SHIFT;
1872 mods &= ~MOD_MASK_CTRL;
1873 //NSLog(@"clear shift ctrl");
1876 // HACK! All Option+key presses go via 'insert text' messages, except
1877 // for <M-Space>. If the Alt flag is not cleared for <M-Space> it does
1878 // not work to map to it.
1879 if (0xa0 == c && !(mods & MOD_MASK_CMD)) {
1880 //NSLog(@"clear alt");
1881 mods &= ~MOD_MASK_ALT;
1885 if (input_conv.vc_type != CONV_NONE) {
1886 conv_str = string_convert(&input_conv, chars, &length);
1893 if (chars && length > 0) {
1895 //NSLog(@"adding mods: %d", mods);
1897 modChars[1] = KS_MODIFIER;
1899 add_to_input_buf(modChars, 3);
1902 //NSLog(@"add to input buf: 0x%x", chars[0]);
1903 // TODO: Check for CSI bytes?
1904 add_to_input_buf(chars, length);
1913 - (void)queueMessage:(int)msgid data:(NSData *)data
1915 [queue addObject:[NSData dataWithBytes:&msgid length:sizeof(int)]];
1917 [queue addObject:data];
1919 [queue addObject:[NSData data]];
1922 - (void)connectionDidDie:(NSNotification *)notification
1924 // If the main connection to MacVim is lost this means that MacVim was
1925 // either quit (by the user chosing Quit on the MacVim menu), or it has
1926 // crashed. In either case our only option is to quit now.
1927 // TODO: Write backup file?
1929 //NSLog(@"A Vim process lots its connection to MacVim; quitting.");
1933 - (void)blinkTimerFired:(NSTimer *)timer
1935 NSTimeInterval timeInterval = 0;
1937 [blinkTimer release];
1940 if (MMBlinkStateOn == blinkState) {
1941 gui_undraw_cursor();
1942 blinkState = MMBlinkStateOff;
1943 timeInterval = blinkOffInterval;
1944 } else if (MMBlinkStateOff == blinkState) {
1945 gui_update_cursor(TRUE, FALSE);
1946 blinkState = MMBlinkStateOn;
1947 timeInterval = blinkOnInterval;
1950 if (timeInterval > 0) {
1952 [[NSTimer scheduledTimerWithTimeInterval:timeInterval target:self
1953 selector:@selector(blinkTimerFired:)
1954 userInfo:nil repeats:NO] retain];
1955 [self flushQueue:YES];
1959 - (void)focusChange:(BOOL)on
1961 gui_focus_change(on);
1964 - (void)processInputBegin
1966 inProcessInput = YES;
1968 // Don't flush too soon or update speed will suffer.
1969 [lastFlushDate release];
1970 lastFlushDate = [[NSDate date] retain];
1973 - (void)processInputEnd
1975 #if MM_USE_INPUT_QUEUE
1976 int count = [inputQueue count];
1978 // TODO: This is troubling, but it is not hard to get Vim to end up
1979 // here. Why does this happen?
1980 NSLog(@"WARNING: inputQueue has odd number of objects (%d)", count);
1981 [inputQueue removeAllObjects];
1982 } else if (count > 0) {
1983 // TODO: Dispatch these messages? Maybe not; usually when the
1984 // 'inputQueue' is non-empty it means that a LOT of messages has been
1985 // sent simultaneously. The only way this happens is when Vim is being
1986 // tormented, e.g. if the user holds down <D-`> to rapidly switch
1989 for (i = 0; i < count; i+=2) {
1990 int msgid = [[inputQueue objectAtIndex:i] intValue];
1991 NSLog(@"%s: Dropping message %s", _cmd, MessageStrings[msgid]);
1994 [inputQueue removeAllObjects];
1998 inputReceived = YES;
1999 inProcessInput = NO;
2002 - (NSString *)connectionNameFromServerName:(NSString *)name
2004 NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
2006 return [[NSString stringWithFormat:@"%@.%@", bundleIdentifier, name]
2010 - (NSConnection *)connectionForServerName:(NSString *)name
2012 // TODO: Try 'name%d' if 'name' fails.
2013 NSString *connName = [self connectionNameFromServerName:name];
2014 NSConnection *svrConn = [connectionNameDict objectForKey:connName];
2017 svrConn = [NSConnection connectionWithRegisteredName:connName
2019 // Try alternate server...
2020 if (!svrConn && alternateServerName) {
2021 //NSLog(@" trying to connect to alternate server: %@",
2022 // alternateServerName);
2023 connName = [self connectionNameFromServerName:alternateServerName];
2024 svrConn = [NSConnection connectionWithRegisteredName:connName
2028 // Try looking for alternate servers...
2030 //NSLog(@" looking for alternate servers...");
2031 NSString *alt = [self alternateServerNameForName:name];
2032 if (alt != alternateServerName) {
2033 //NSLog(@" found alternate server: %@", string);
2034 [alternateServerName release];
2035 alternateServerName = [alt copy];
2039 // Try alternate server again...
2040 if (!svrConn && alternateServerName) {
2041 //NSLog(@" trying to connect to alternate server: %@",
2042 // alternateServerName);
2043 connName = [self connectionNameFromServerName:alternateServerName];
2044 svrConn = [NSConnection connectionWithRegisteredName:connName
2049 [connectionNameDict setObject:svrConn forKey:connName];
2051 //NSLog(@"Adding %@ as connection observer for %@", self, svrConn);
2052 [[NSNotificationCenter defaultCenter] addObserver:self
2053 selector:@selector(serverConnectionDidDie:)
2054 name:NSConnectionDidDieNotification object:svrConn];
2061 - (NSConnection *)connectionForServerPort:(int)port
2064 NSEnumerator *e = [connectionNameDict objectEnumerator];
2066 while ((conn = [e nextObject])) {
2067 // HACK! Assume connection uses mach ports.
2068 if (port == [(NSMachPort*)[conn sendPort] machPort])
2075 - (void)serverConnectionDidDie:(NSNotification *)notification
2077 //NSLog(@"%s%@", _cmd, notification);
2079 NSConnection *svrConn = [notification object];
2081 //NSLog(@"Removing %@ as connection observer from %@", self, svrConn);
2082 [[NSNotificationCenter defaultCenter]
2084 name:NSConnectionDidDieNotification
2087 [connectionNameDict removeObjectsForKeys:
2088 [connectionNameDict allKeysForObject:svrConn]];
2090 // HACK! Assume connection uses mach ports.
2091 int port = [(NSMachPort*)[svrConn sendPort] machPort];
2092 NSNumber *key = [NSNumber numberWithInt:port];
2094 [clientProxyDict removeObjectForKey:key];
2095 [serverReplyDict removeObjectForKey:key];
2098 - (void)addClient:(NSDistantObject *)client
2100 NSConnection *conn = [client connectionForProxy];
2101 // HACK! Assume connection uses mach ports.
2102 int port = [(NSMachPort*)[conn sendPort] machPort];
2103 NSNumber *key = [NSNumber numberWithInt:port];
2105 if (![clientProxyDict objectForKey:key]) {
2106 [client setProtocolForProxy:@protocol(MMVimClientProtocol)];
2107 [clientProxyDict setObject:client forKey:key];
2110 // NOTE: 'clientWindow' is a global variable which is used by <client>
2111 clientWindow = port;
2114 - (NSString *)alternateServerNameForName:(NSString *)name
2116 if (!(name && [name length] > 0))
2119 // Only look for alternates if 'name' doesn't end in a digit.
2120 unichar lastChar = [name characterAtIndex:[name length]-1];
2121 if (lastChar >= '0' && lastChar <= '9')
2124 // Look for alternates among all current servers.
2125 NSArray *list = [self serverList];
2126 if (!(list && [list count] > 0))
2129 // Filter out servers starting with 'name' and ending with a number. The
2130 // (?i) pattern ensures that the match is case insensitive.
2131 NSString *pat = [NSString stringWithFormat:@"(?i)%@[0-9]+\\z", name];
2132 NSPredicate *pred = [NSPredicate predicateWithFormat:
2133 @"SELF MATCHES %@", pat];
2134 list = [list filteredArrayUsingPredicate:pred];
2135 if ([list count] > 0) {
2136 list = [list sortedArrayUsingSelector:@selector(serverNameCompare:)];
2137 return [list objectAtIndex:0];
2143 @end // MMBackend (Private)
2148 @implementation NSString (MMServerNameCompare)
2149 - (NSComparisonResult)serverNameCompare:(NSString *)string
2151 return [self compare:string
2152 options:NSCaseInsensitiveSearch|NSNumericSearch];
2159 static int eventModifierFlagsToVimModMask(int modifierFlags)
2163 if (modifierFlags & NSShiftKeyMask)
2164 modMask |= MOD_MASK_SHIFT;
2165 if (modifierFlags & NSControlKeyMask)
2166 modMask |= MOD_MASK_CTRL;
2167 if (modifierFlags & NSAlternateKeyMask)
2168 modMask |= MOD_MASK_ALT;
2169 if (modifierFlags & NSCommandKeyMask)
2170 modMask |= MOD_MASK_CMD;
2175 static int vimModMaskToEventModifierFlags(int mods)
2179 if (mods & MOD_MASK_SHIFT)
2180 flags |= NSShiftKeyMask;
2181 if (mods & MOD_MASK_CTRL)
2182 flags |= NSControlKeyMask;
2183 if (mods & MOD_MASK_ALT)
2184 flags |= NSAlternateKeyMask;
2185 if (mods & MOD_MASK_CMD)
2186 flags |= NSCommandKeyMask;
2191 static int eventModifierFlagsToVimMouseModMask(int modifierFlags)
2195 if (modifierFlags & NSShiftKeyMask)
2196 modMask |= MOUSE_SHIFT;
2197 if (modifierFlags & NSControlKeyMask)
2198 modMask |= MOUSE_CTRL;
2199 if (modifierFlags & NSAlternateKeyMask)
2200 modMask |= MOUSE_ALT;
2205 static int eventButtonNumberToVimMouseButton(int buttonNumber)
2207 static int mouseButton[] = { MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE,
2208 MOUSE_X1, MOUSE_X2 };
2210 return mouseButton[buttonNumber < 5 ? buttonNumber : 0];
2213 static int specialKeyToNSKey(int key)
2215 if (!IS_SPECIAL(key))
2222 { K_UP, NSUpArrowFunctionKey },
2223 { K_DOWN, NSDownArrowFunctionKey },
2224 { K_LEFT, NSLeftArrowFunctionKey },
2225 { K_RIGHT, NSRightArrowFunctionKey },
2226 { K_F1, NSF1FunctionKey },
2227 { K_F2, NSF2FunctionKey },
2228 { K_F3, NSF3FunctionKey },
2229 { K_F4, NSF4FunctionKey },
2230 { K_F5, NSF5FunctionKey },
2231 { K_F6, NSF6FunctionKey },
2232 { K_F7, NSF7FunctionKey },
2233 { K_F8, NSF8FunctionKey },
2234 { K_F9, NSF9FunctionKey },
2235 { K_F10, NSF10FunctionKey },
2236 { K_F11, NSF11FunctionKey },
2237 { K_F12, NSF12FunctionKey },
2238 { K_F13, NSF13FunctionKey },
2239 { K_F14, NSF14FunctionKey },
2240 { K_F15, NSF15FunctionKey },
2241 { K_F16, NSF16FunctionKey },
2242 { K_F17, NSF17FunctionKey },
2243 { K_F18, NSF18FunctionKey },
2244 { K_F19, NSF19FunctionKey },
2245 { K_F20, NSF20FunctionKey },
2246 { K_F21, NSF21FunctionKey },
2247 { K_F22, NSF22FunctionKey },
2248 { K_F23, NSF23FunctionKey },
2249 { K_F24, NSF24FunctionKey },
2250 { K_F25, NSF25FunctionKey },
2251 { K_F26, NSF26FunctionKey },
2252 { K_F27, NSF27FunctionKey },
2253 { K_F28, NSF28FunctionKey },
2254 { K_F29, NSF29FunctionKey },
2255 { K_F30, NSF30FunctionKey },
2256 { K_F31, NSF31FunctionKey },
2257 { K_F32, NSF32FunctionKey },
2258 { K_F33, NSF33FunctionKey },
2259 { K_F34, NSF34FunctionKey },
2260 { K_F35, NSF35FunctionKey },
2261 { K_DEL, NSBackspaceCharacter },
2262 { K_BS, NSDeleteCharacter },
2263 { K_HOME, NSHomeFunctionKey },
2264 { K_END, NSEndFunctionKey },
2265 { K_PAGEUP, NSPageUpFunctionKey },
2266 { K_PAGEDOWN, NSPageDownFunctionKey }
2270 for (i = 0; i < sizeof(sp2ns)/sizeof(sp2ns[0]); ++i) {
2271 if (sp2ns[i].special == key)
2272 return sp2ns[i].nskey;