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.
11 #import "MMTextView.h"
12 #import "MMTextStorage.h"
13 #import "MMWindowController.h"
14 #import "MMVimController.h"
19 // The max/min drag timer interval in seconds
20 static NSTimeInterval MMDragTimerMaxInterval = .3f;
21 static NSTimeInterval MMDragTimerMinInterval = .01f;
23 // The number of pixels in which the drag timer interval changes
24 static float MMDragAreaSize = 73.0f;
29 @interface MMTextView (Private)
30 - (BOOL)convertPoint:(NSPoint)point toRow:(int *)row column:(int *)column;
31 - (BOOL)convertRow:(int)row column:(int)column toPoint:(NSPoint *)point;
32 - (NSRect)trackingRect;
33 - (void)dispatchKeyEvent:(NSEvent *)event;
34 - (MMVimController *)vimController;
35 - (void)startDragTimerWithInterval:(NSTimeInterval)t;
36 - (void)dragTimerFired:(NSTimer *)timer;
37 - (void)sendKeyDown:(const char *)chars length:(int)len modifiers:(int)flags;
42 @implementation MMTextView
46 if (markedTextField) {
47 [[markedTextField window] autorelease];
48 [markedTextField release];
49 markedTextField = nil;
52 [lastMouseDownEvent release];
56 - (NSEvent *)lastMouseDownEvent
58 return lastMouseDownEvent;
61 - (BOOL)shouldDrawInsertionPoint
63 // NOTE: The insertion point is drawn manually in drawRect:. It would be
64 // nice to be able to use the insertion point related methods of
65 // NSTextView, but it seems impossible to get them to work properly (search
66 // the cocoabuilder archives).
70 - (void)setShouldDrawInsertionPoint:(BOOL)on
72 shouldDrawInsertionPoint = on;
75 - (void)drawInsertionPointAtRow:(int)row column:(int)col shape:(int)shape
76 fraction:(int)percent color:(NSColor *)color
78 //NSLog(@"drawInsertionPointAtRow:%d column:%d shape:%d color:%@",
79 // row, col, shape, color);
81 // This only stores where to draw the insertion point, the actual drawing
82 // is done in drawRect:.
83 shouldDrawInsertionPoint = YES;
84 insertionPointRow = row;
85 insertionPointColumn = col;
86 insertionPointShape = shape;
87 insertionPointFraction = percent;
89 [self setInsertionPointColor:color];
92 - (void)hideMarkedTextField
94 if (markedTextField) {
95 NSWindow *win = [markedTextField window];
97 [markedTextField setStringValue:@""];
101 - (void)drawRect:(NSRect)rect
103 [super drawRect:rect];
105 if (shouldDrawInsertionPoint) {
106 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
107 NSLayoutManager *lm = [self layoutManager];
108 NSTextContainer *tc = [self textContainer];
110 // Given (row,column), calculate the bounds of the glyph at that spot.
111 // We use the layout manager because this gives us exactly the size and
112 // location of the glyph so that we can match the insertion point to
114 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
115 column:insertionPointColumn];
117 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
118 actualCharacterRange:NULL];
119 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
121 ipRect.origin.x += [self textContainerOrigin].x;
122 ipRect.origin.y += [self textContainerOrigin].y;
124 if (MMInsertionPointHorizontal == insertionPointShape) {
125 int frac = ([ts cellSize].height * insertionPointFraction + 99)/100;
126 ipRect.origin.y += ipRect.size.height - frac;
127 ipRect.size.height = frac;
128 } else if (MMInsertionPointVertical == insertionPointShape) {
129 int frac = ([ts cellSize].width* insertionPointFraction + 99)/100;
130 ipRect.size.width = frac;
133 [[self insertionPointColor] set];
134 if (MMInsertionPointHollow == insertionPointShape) {
140 // NOTE: We only draw the cursor once and rely on Vim to say when it
141 // should be drawn again.
142 shouldDrawInsertionPoint = NO;
144 //NSLog(@"%s draw insertion point %@ shape=%d color=%@", _cmd,
145 // NSStringFromRect(ipRect), insertionPointShape,
146 // [self insertionPointColor]);
150 - (void)keyDown:(NSEvent *)event
152 //NSLog(@"%s %@", _cmd, event);
153 // HACK! If a modifier is held, don't pass the event along to
154 // interpretKeyEvents: since some keys are bound to multiple commands which
155 // means doCommandBySelector: is called several times.
157 // TODO: Figure out a way to disable Cocoa key bindings entirely, without
158 // affecting input management.
160 if ([event modifierFlags] & NSControlKeyMask)
161 [self dispatchKeyEvent:event];
163 [super keyDown:event];
166 - (void)insertText:(id)string
168 //NSLog(@"%s %@", _cmd, string);
169 // NOTE! This method is called for normal key presses but also for
170 // Option-key presses --- even when Ctrl is held as well as Option. When
171 // Ctrl is held, the AppKit translates the character to a Ctrl+key stroke,
172 // so 'string' need not be a printable character! In this case it still
173 // works to pass 'string' on to Vim as a printable character (since
174 // modifiers are already included and should not be added to the input
175 // buffer using CSI, K_MODIFIER).
177 [self hideMarkedTextField];
179 NSEvent *event = [NSApp currentEvent];
181 // HACK! In order to be able to bind to <S-Space> etc. we have to watch
182 // for when space was pressed.
183 if ([event type] == NSKeyDown
184 && [[event charactersIgnoringModifiers] length] > 0
185 && [[event charactersIgnoringModifiers] characterAtIndex:0] == ' '
186 && [event modifierFlags]
187 & (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask))
189 [self dispatchKeyEvent:event];
193 // TODO: Support 'mousehide' (check p_mh)
194 [NSCursor setHiddenUntilMouseMoves:YES];
196 // NOTE: 'string' is either an NSString or an NSAttributedString. Since we
197 // do not support attributes, simply pass the corresponding NSString in the
199 if ([string isKindOfClass:[NSAttributedString class]])
200 string = [string string];
202 [[self vimController] sendMessage:InsertTextMsgID
203 data:[string dataUsingEncoding:NSUTF8StringEncoding]
208 - (void)doCommandBySelector:(SEL)selector
210 //NSLog(@"%s %@", _cmd, NSStringFromSelector(selector));
211 // By ignoring the selector we effectively disable the key binding
212 // mechanism of Cocoa. Hopefully this is what the user will expect
213 // (pressing Ctrl+P would otherwise result in moveUp: instead of previous
216 // We usually end up here if the user pressed Ctrl+key (but not
219 NSEvent *event = [NSApp currentEvent];
221 if (selector == @selector(cancelOperation:)
222 || selector == @selector(insertNewline:)) {
223 // HACK! If there was marked text which got abandoned as a result of
224 // hitting escape or enter, then 'insertText:' is called with the
225 // abandoned text but '[event characters]' includes the abandoned text
226 // as well. Since 'dispatchKeyEvent:' looks at '[event characters]' we
227 // must intercept these keys here or the abandonded text gets inserted
229 NSString *key = [event charactersIgnoringModifiers];
230 const char *chars = [key UTF8String];
231 int len = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
233 if (0x3 == chars[0]) {
234 // HACK! AppKit turns enter (not return) into Ctrl-C, so we need to
235 // handle it separately (else Ctrl-C doesn't work).
236 static char keypadEnter[2] = { 'K', 'A' };
237 len = 2; chars = keypadEnter;
240 [self sendKeyDown:chars length:len modifiers:[event modifierFlags]];
242 [self dispatchKeyEvent:event];
247 // Confused note to self: Why did I implement this in the first place? Will
248 // something break if I don't? Input methods that use arrow keys do not work
249 // properly with this implementation, so it is disabled for now.
250 - (BOOL)performKeyEquivalent:(NSEvent *)event
252 NSLog(@"%s %@", _cmd, event);
253 // Called for Cmd+key keystrokes, function keys, arrow keys, page
254 // up/down, home, end.
256 if ([event type] != NSKeyDown)
259 // HACK! Let the main menu try to handle any key down event, before
260 // passing it on to vim, otherwise key equivalents for menus will
261 // effectively be disabled.
262 if ([[NSApp mainMenu] performKeyEquivalent:event])
265 // HACK! KeyCode 50 represent the key which switches between windows
266 // within an application (like Cmd+Tab is used to switch between
267 // applications). Return NO here, else the window switching does not work.
269 // Will this hack work for all languages / keyboard layouts?
270 if ([event keyCode] == 50)
273 //NSLog(@"%s%@", _cmd, event);
275 NSString *string = [event charactersIgnoringModifiers];
276 int flags = [event modifierFlags];
277 int len = [string lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
278 NSMutableData *data = [NSMutableData data];
280 [data appendBytes:&flags length:sizeof(int)];
281 [data appendBytes:&len length:sizeof(int)];
282 [data appendBytes:[string UTF8String] length:len];
284 [[self vimController] sendMessage:CmdKeyMsgID data:data wait:NO];
290 - (BOOL)hasMarkedText
292 //NSLog(@"%s", _cmd);
293 return markedTextField && [[markedTextField stringValue] length] > 0;
296 - (NSRange)markedRange
298 //NSLog(@"%s", _cmd);
299 // HACK! If a valid range is returned, then NSTextView changes the
300 // background color of the returned range. Since marked text is displayed
301 // in a separate popup window this behaviour is not wanted. By setting the
302 // location of the returned range to NSNotFound NSTextView does nothing.
303 // This hack is continued in 'firstRectForCharacterRange:'.
304 return NSMakeRange(NSNotFound, 0);
307 - (void)setMarkedText:(id)text selectedRange:(NSRange)range
309 //NSLog(@"setMarkedText:'%@' selectedRange:%@", text,
310 // NSStringFromRange(range));
312 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
315 if (!markedTextField) {
316 // Create a text field and put it inside a floating panel. This field
317 // is used to display marked text.
318 NSSize cellSize = [ts cellSize];
319 NSRect cellRect = { 0, 0, cellSize.width, cellSize.height };
321 markedTextField = [[NSTextField alloc] initWithFrame:cellRect];
322 [markedTextField setEditable:NO];
323 [markedTextField setSelectable:NO];
324 [markedTextField setBezeled:NO];
325 [markedTextField setBordered:YES];
327 NSPanel *panel = [[NSPanel alloc]
328 initWithContentRect:cellRect
329 styleMask:NSBorderlessWindowMask|NSUtilityWindowMask
330 backing:NSBackingStoreBuffered
333 //[panel setHidesOnDeactivate:NO];
334 [panel setFloatingPanel:YES];
335 [panel setBecomesKeyOnlyIfNeeded:YES];
336 [panel setContentView:markedTextField];
339 if (text && [text length] > 0) {
340 [markedTextField setFont:[ts font]];
341 if ([text isKindOfClass:[NSAttributedString class]])
342 [markedTextField setAttributedStringValue:text];
344 [markedTextField setStringValue:text];
346 [markedTextField sizeToFit];
347 NSSize size = [markedTextField frame].size;
349 // Convert coordinates (row,col) -> view -> window base -> screen
351 if (![self convertRow:insertionPointRow+1 column:insertionPointColumn
354 origin = [self convertPoint:origin toView:nil];
355 origin = [[self window] convertBaseToScreen:origin];
357 NSWindow *win = [markedTextField window];
358 [win setContentSize:size];
359 [win setFrameOrigin:origin];
360 [win orderFront:nil];
362 [self hideMarkedTextField];
368 //NSLog(@"%s", _cmd);
369 [self hideMarkedTextField];
372 - (NSRect)firstRectForCharacterRange:(NSRange)range
374 //NSLog(@"%s%@", _cmd, NSStringFromRange(range));
376 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
377 NSLayoutManager *lm = [self layoutManager];
378 NSTextContainer *tc = [self textContainer];
380 // HACK! Since we always return marked text to have location NSNotFound,
381 // this method will be called with 'range.location == NSNotFound' whenever
382 // the input manager tries to position a popup window near the insertion
383 // point. For this reason we compute where the insertion point is and
384 // return a rect which contains it.
385 if (!(ts && lm && tc) || NSNotFound != range.location)
386 return [super firstRectForCharacterRange:range];
388 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
389 column:insertionPointColumn];
391 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
392 actualCharacterRange:NULL];
393 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
395 ipRect.origin.x += [self textContainerOrigin].x;
396 ipRect.origin.y += [self textContainerOrigin].y + [ts cellSize].height;
398 ipRect.origin = [self convertPoint:ipRect.origin toView:nil];
399 ipRect.origin = [[self window] convertBaseToScreen:ipRect.origin];
404 - (void)scrollWheel:(NSEvent *)event
406 if ([event deltaY] == 0)
410 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
411 if (![self convertPoint:pt toRow:&row column:&col])
414 int flags = [event modifierFlags];
415 float dy = [event deltaY];
416 NSMutableData *data = [NSMutableData data];
418 [data appendBytes:&row length:sizeof(int)];
419 [data appendBytes:&col length:sizeof(int)];
420 [data appendBytes:&flags length:sizeof(int)];
421 [data appendBytes:&dy length:sizeof(float)];
423 [[self vimController] sendMessage:ScrollWheelMsgID data:data wait:NO];
426 - (void)mouseDown:(NSEvent *)event
429 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
430 if (![self convertPoint:pt toRow:&row column:&col])
433 lastMouseDownEvent = [event copy];
435 int button = [event buttonNumber];
436 int flags = [event modifierFlags];
437 int count = [event clickCount];
438 NSMutableData *data = [NSMutableData data];
440 // If desired, intepret Ctrl-Click as a right mouse click.
441 if ([[NSUserDefaults standardUserDefaults]
442 boolForKey:MMTranslateCtrlClickKey]
443 && button == 0 && flags & NSControlKeyMask) {
445 flags &= ~NSControlKeyMask;
448 [data appendBytes:&row length:sizeof(int)];
449 [data appendBytes:&col length:sizeof(int)];
450 [data appendBytes:&button length:sizeof(int)];
451 [data appendBytes:&flags length:sizeof(int)];
452 [data appendBytes:&count length:sizeof(int)];
454 [[self vimController] sendMessage:MouseDownMsgID data:data wait:NO];
457 - (void)rightMouseDown:(NSEvent *)event
459 [self mouseDown:event];
462 - (void)otherMouseDown:(NSEvent *)event
464 [self mouseDown:event];
467 - (void)mouseUp:(NSEvent *)event
470 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
471 if (![self convertPoint:pt toRow:&row column:&col])
474 int flags = [event modifierFlags];
475 NSMutableData *data = [NSMutableData data];
477 [data appendBytes:&row length:sizeof(int)];
478 [data appendBytes:&col length:sizeof(int)];
479 [data appendBytes:&flags length:sizeof(int)];
481 [[self vimController] sendMessage:MouseUpMsgID data:data wait:NO];
486 - (void)rightMouseUp:(NSEvent *)event
488 [self mouseUp:event];
491 - (void)otherMouseUp:(NSEvent *)event
493 [self mouseUp:event];
496 - (void)mouseDragged:(NSEvent *)event
498 int flags = [event modifierFlags];
500 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
501 if (![self convertPoint:pt toRow:&row column:&col])
504 // Autoscrolling is done in dragTimerFired:
505 if (!isAutoscrolling) {
506 NSMutableData *data = [NSMutableData data];
508 [data appendBytes:&row length:sizeof(int)];
509 [data appendBytes:&col length:sizeof(int)];
510 [data appendBytes:&flags length:sizeof(int)];
512 [[self vimController] sendMessage:MouseDraggedMsgID data:data wait:NO];
516 dragRow = row; dragColumn = col; dragFlags = flags;
518 [self startDragTimerWithInterval:.5];
523 - (void)rightMouseDragged:(NSEvent *)event
525 [self mouseDragged:event];
528 - (void)otherMouseDragged:(NSEvent *)event
530 [self mouseDragged:event];
533 - (void)mouseMoved:(NSEvent *)event
535 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
538 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
540 if (![self convertPoint:pt toRow:&row column:&col])
543 // HACK! It seems impossible to get the tracking rects set up before the
544 // view is visible, which means that the first mouseEntered: or
545 // mouseExited: events are never received. This forces us to check if the
546 // mouseMoved: event really happened over the text.
548 [ts getMaxRows:&rows columns:&cols];
549 if (row >= 0 && row < rows && col >= 0 && col < cols) {
550 NSMutableData *data = [NSMutableData data];
552 [data appendBytes:&row length:sizeof(int)];
553 [data appendBytes:&col length:sizeof(int)];
555 [[self vimController] sendMessage:MouseMovedMsgID data:data wait:NO];
559 - (void)mouseEntered:(NSEvent *)event
561 //NSLog(@"%s", _cmd);
563 // NOTE: This event is received even when the window is not key; thus we
564 // have to take care not to enable mouse moved events unless our window is
566 if ([[self window] isKeyWindow])
567 [[self window] setAcceptsMouseMovedEvents:YES];
570 - (void)mouseExited:(NSEvent *)event
572 //NSLog(@"%s", _cmd);
574 [[self window] setAcceptsMouseMovedEvents:NO];
576 // NOTE: This event is received even when the window is not key; if the
577 // mouse shape is set when our window is not key, the hollow (unfocused)
578 // cursor will become a block (focused) cursor.
579 if ([[self window] isKeyWindow]) {
581 NSMutableData *data = [NSMutableData data];
582 [data appendBytes:&shape length:sizeof(int)];
583 [[self vimController] sendMessage:SetMouseShapeMsgID data:data wait:NO];
587 - (void)setFrame:(NSRect)frame
589 //NSLog(@"%s", _cmd);
591 // When the frame changes we also need to update the tracking rect.
592 [super setFrame:frame];
593 [self removeTrackingRect:trackingRectTag];
594 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
595 userData:NULL assumeInside:YES];
598 - (void)viewDidMoveToWindow
600 //NSLog(@"%s (window=%@)", _cmd, [self window]);
602 // Set a tracking rect which covers the text.
603 // NOTE: While the mouse cursor is in this rect the view will receive
604 // 'mouseMoved:' events so that Vim can take care of updating the mouse
607 [[self window] setAcceptsMouseMovedEvents:YES];
608 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
609 userData:NULL assumeInside:YES];
613 - (void)viewWillMoveToWindow:(NSWindow *)newWindow
615 //NSLog(@"%s%@", _cmd, newWindow);
617 // Remove tracking rect if view moves or is removed.
618 if ([self window] && trackingRectTag) {
619 [self removeTrackingRect:trackingRectTag];
624 - (NSMenu*)menuForEvent:(NSEvent *)event
626 // HACK! Return nil to disable NSTextView's popup menus (Vim provides its
627 // own). Called when user Ctrl-clicks in the view (this is already handled
628 // in rightMouseDown:).
632 - (NSArray *)acceptableDragTypes
634 return [NSArray arrayWithObjects:NSFilenamesPboardType,
635 NSStringPboardType, nil];
638 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
640 NSPasteboard *pboard = [sender draggingPasteboard];
642 if ([[pboard types] containsObject:NSStringPboardType]) {
643 NSString *string = [pboard stringForType:NSStringPboardType];
644 [[self vimController] dropString:string];
646 } else if ([[pboard types] containsObject:NSFilenamesPboardType]) {
647 NSArray *files = [pboard propertyListForType:NSFilenamesPboardType];
648 [[self vimController] dropFiles:files];
655 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
657 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
658 NSPasteboard *pboard = [sender draggingPasteboard];
660 if ( [[pboard types] containsObject:NSFilenamesPboardType]
661 && (sourceDragMask & NSDragOperationCopy) )
662 return NSDragOperationCopy;
663 if ( [[pboard types] containsObject:NSStringPboardType]
664 && (sourceDragMask & NSDragOperationCopy) )
665 return NSDragOperationCopy;
667 return NSDragOperationNone;
670 - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
672 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
673 NSPasteboard *pboard = [sender draggingPasteboard];
675 if ( [[pboard types] containsObject:NSFilenamesPboardType]
676 && (sourceDragMask & NSDragOperationCopy) )
677 return NSDragOperationCopy;
678 if ( [[pboard types] containsObject:NSStringPboardType]
679 && (sourceDragMask & NSDragOperationCopy) )
680 return NSDragOperationCopy;
682 return NSDragOperationNone;
685 - (void)changeFont:(id)sender
687 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
690 NSFont *oldFont = [ts font];
691 NSFont *newFont = [sender convertFont:oldFont];
694 NSString *name = [newFont displayName];
695 unsigned len = [name lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
697 NSMutableData *data = [NSMutableData data];
698 float pointSize = [newFont pointSize];
700 [data appendBytes:&pointSize length:sizeof(float)];
702 ++len; // include NUL byte
703 [data appendBytes:&len length:sizeof(unsigned)];
704 [data appendBytes:[name UTF8String] length:len];
706 [[self vimController] sendMessage:SetFontMsgID data:data wait:NO];
711 - (void)resetCursorRects
713 // No need to set up cursor rects since Vim handles cursor changes.
716 - (void)updateFontPanel
718 // The font panel is updated whenever the font is set.
726 @implementation MMTextView (Private)
728 - (BOOL)convertPoint:(NSPoint)point toRow:(int *)row column:(int *)column
731 NSLayoutManager *lm = [self layoutManager];
732 NSTextContainer *tc = [self textContainer];
733 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
735 if (!(lm && tc && ts))
738 unsigned glyphIdx = [lm glyphIndexForPoint:point inTextContainer:tc];
739 unsigned charIdx = [lm characterIndexForGlyphAtIndex:glyphIdx];
741 int mod = [ts maxColumns] + 1;
743 if (row) *row = (int)(charIdx / mod);
744 if (column) *column = (int)(charIdx % mod);
746 NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
751 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
752 NSSize cellSize = [ts cellSize];
753 if (!(cellSize.width > 0 && cellSize.height > 0))
755 NSPoint origin = [self textContainerOrigin];
757 if (row) *row = floor((point.y-origin.y-1) / cellSize.height);
758 if (column) *column = floor((point.x-origin.x-1) / cellSize.width);
760 //NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
767 - (BOOL)convertRow:(int)row column:(int)column toPoint:(NSPoint *)point
769 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
770 NSSize cellSize = [ts cellSize];
771 if (!(point && cellSize.width > 0 && cellSize.height > 0))
774 *point = [self textContainerOrigin];
775 point->x += column * cellSize.width;
776 point->y += row * cellSize.height;
781 - (NSRect)trackingRect
783 NSRect rect = [self frame];
784 NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
785 int left = [ud integerForKey:MMTextInsetLeftKey];
786 int top = [ud integerForKey:MMTextInsetTopKey];
787 int right = [ud integerForKey:MMTextInsetRightKey];
788 int bot = [ud integerForKey:MMTextInsetBottomKey];
790 rect.origin.x = left;
792 rect.size.width -= left + right - 1;
793 rect.size.height -= top + bot - 1;
798 - (void)dispatchKeyEvent:(NSEvent *)event
800 // Only handle the command if it came from a keyDown event
801 if ([event type] != NSKeyDown)
804 NSString *chars = [event characters];
805 NSString *unmodchars = [event charactersIgnoringModifiers];
806 unichar c = [chars characterAtIndex:0];
807 unichar imc = [unmodchars characterAtIndex:0];
809 const char *bytes = 0;
811 //NSLog(@"%s chars[0]=0x%x unmodchars[0]=0x%x (chars=%@ unmodchars=%@)",
812 // _cmd, c, imc, chars, unmodchars);
814 if (' ' == imc && 0xa0 != c) {
815 // HACK! The AppKit turns <C-Space> into <C-@> which is not standard
816 // Vim behaviour, so bypass this problem. (0xa0 is <M-Space>, which
817 // should be passed on as is.)
818 len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
819 bytes = [unmodchars UTF8String];
820 } else if (imc == c && '2' == c) {
821 // HACK! Translate Ctrl+2 to <C-@>.
822 static char ctrl_at = 0;
823 len = 1; bytes = &ctrl_at;
824 } else if (imc == c && '6' == c) {
825 // HACK! Translate Ctrl+6 to <C-^>.
826 static char ctrl_hat = 0x1e;
827 len = 1; bytes = &ctrl_hat;
828 } else if (c == 0x19 && imc == 0x19) {
829 // HACK! AppKit turns back tab into Ctrl-Y, so we need to handle it
830 // separately (else Ctrl-Y doesn't work).
831 static char back_tab[2] = { 'k', 'B' };
832 len = 2; bytes = back_tab;
834 len = [chars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
835 bytes = [chars UTF8String];
838 [self sendKeyDown:bytes length:len modifiers:[event modifierFlags]];
841 - (MMVimController *)vimController
843 id windowController = [[self window] windowController];
845 // TODO: Make sure 'windowController' is a MMWindowController before type
847 return [(MMWindowController*)windowController vimController];
850 - (void)startDragTimerWithInterval:(NSTimeInterval)t
852 [NSTimer scheduledTimerWithTimeInterval:t target:self
853 selector:@selector(dragTimerFired:)
854 userInfo:nil repeats:NO];
857 - (void)dragTimerFired:(NSTimer *)timer
859 // TODO: Autoscroll in horizontal direction?
860 static unsigned tick = 1;
861 MMTextStorage *ts = (MMTextStorage *)[self textStorage];
863 isAutoscrolling = NO;
865 if (isDragging && ts && (dragRow < 0 || dragRow >= [ts maxRows])) {
866 // HACK! If the mouse cursor is outside the text area, then send a
867 // dragged event. However, if row&col hasn't changed since the last
868 // dragged event, Vim won't do anything (see gui_send_mouse_event()).
869 // Thus we fiddle with the column to make sure something happens.
870 int col = dragColumn + (dragRow < 0 ? -(tick % 2) : +(tick % 2));
871 NSMutableData *data = [NSMutableData data];
873 [data appendBytes:&dragRow length:sizeof(int)];
874 [data appendBytes:&col length:sizeof(int)];
875 [data appendBytes:&dragFlags length:sizeof(int)];
877 [[self vimController] sendMessage:MouseDraggedMsgID data:data wait:NO];
879 isAutoscrolling = YES;
883 // Compute timer interval depending on how far away the mouse cursor is
884 // from the text view.
885 NSRect rect = [self trackingRect];
887 if (dragPoint.y < rect.origin.y) dy = rect.origin.y - dragPoint.y;
888 else if (dragPoint.y > NSMaxY(rect)) dy = dragPoint.y - NSMaxY(rect);
889 if (dy > MMDragAreaSize) dy = MMDragAreaSize;
891 NSTimeInterval t = MMDragTimerMaxInterval -
892 dy*(MMDragTimerMaxInterval-MMDragTimerMinInterval)/MMDragAreaSize;
894 [self startDragTimerWithInterval:t];
900 - (void)sendKeyDown:(const char *)chars length:(int)len modifiers:(int)flags
902 if (chars && len > 0) {
903 NSMutableData *data = [NSMutableData data];
905 [data appendBytes:&flags length:sizeof(int)];
906 [data appendBytes:&len length:sizeof(int)];
907 [data appendBytes:chars length:len];
909 // TODO: Support 'mousehide' (check p_mh)
910 [NSCursor setHiddenUntilMouseMoves:YES];
912 //NSLog(@"%s len=%d chars=0x%x", _cmd, len, chars[0]);
913 [[self vimController] sendMessage:KeyDownMsgID data:data wait:NO];
917 @end // MMTextView (Private)