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;
26 static char MMKeypadEnter[2] = { 'K', 'A' };
27 static NSString *MMKeypadEnterString = @"KA";
31 @interface MMTextView (Private)
32 - (BOOL)convertPoint:(NSPoint)point toRow:(int *)row column:(int *)column;
33 - (BOOL)convertRow:(int)row column:(int)column toPoint:(NSPoint *)point;
34 - (NSRect)trackingRect;
35 - (void)dispatchKeyEvent:(NSEvent *)event;
36 - (MMVimController *)vimController;
37 - (void)startDragTimerWithInterval:(NSTimeInterval)t;
38 - (void)dragTimerFired:(NSTimer *)timer;
39 - (void)sendKeyDown:(const char *)chars length:(int)len modifiers:(int)flags;
44 @implementation MMTextView
48 if (markedTextField) {
49 [[markedTextField window] autorelease];
50 [markedTextField release];
51 markedTextField = nil;
54 [lastMouseDownEvent release];
58 - (NSEvent *)lastMouseDownEvent
60 return lastMouseDownEvent;
63 - (BOOL)shouldDrawInsertionPoint
65 // NOTE: The insertion point is drawn manually in drawRect:. It would be
66 // nice to be able to use the insertion point related methods of
67 // NSTextView, but it seems impossible to get them to work properly (search
68 // the cocoabuilder archives).
72 - (void)setShouldDrawInsertionPoint:(BOOL)on
74 shouldDrawInsertionPoint = on;
77 - (void)drawInsertionPointAtRow:(int)row column:(int)col shape:(int)shape
78 fraction:(int)percent color:(NSColor *)color
80 //NSLog(@"drawInsertionPointAtRow:%d column:%d shape:%d color:%@",
81 // row, col, shape, color);
83 // This only stores where to draw the insertion point, the actual drawing
84 // is done in drawRect:.
85 shouldDrawInsertionPoint = YES;
86 insertionPointRow = row;
87 insertionPointColumn = col;
88 insertionPointShape = shape;
89 insertionPointFraction = percent;
91 [self setInsertionPointColor:color];
94 - (void)hideMarkedTextField
96 if (markedTextField) {
97 NSWindow *win = [markedTextField window];
99 [markedTextField setStringValue:@""];
108 - (void)drawRect:(NSRect)rect
110 [super drawRect:rect];
112 if (shouldDrawInsertionPoint) {
113 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
114 NSLayoutManager *lm = [self layoutManager];
115 NSTextContainer *tc = [self textContainer];
117 // Given (row,column), calculate the bounds of the glyph at that spot.
118 // We use the layout manager because this gives us exactly the size and
119 // location of the glyph so that we can match the insertion point to
121 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
122 column:insertionPointColumn];
124 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
125 actualCharacterRange:NULL];
126 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
128 ipRect.origin.x += [self textContainerOrigin].x;
129 ipRect.origin.y += [self textContainerOrigin].y;
131 if (MMInsertionPointHorizontal == insertionPointShape) {
132 int frac = ([ts cellSize].height * insertionPointFraction + 99)/100;
133 ipRect.origin.y += ipRect.size.height - frac;
134 ipRect.size.height = frac;
135 } else if (MMInsertionPointVertical == insertionPointShape) {
136 int frac = ([ts cellSize].width* insertionPointFraction + 99)/100;
137 ipRect.size.width = frac;
140 [[self insertionPointColor] set];
141 if (MMInsertionPointHollow == insertionPointShape) {
147 // NOTE: We only draw the cursor once and rely on Vim to say when it
148 // should be drawn again.
149 shouldDrawInsertionPoint = NO;
151 //NSLog(@"%s draw insertion point %@ shape=%d color=%@", _cmd,
152 // NSStringFromRect(ipRect), insertionPointShape,
153 // [self insertionPointColor]);
156 // this code invalidates the shadow, so we don't
157 // get shifting ghost text on scroll and resize
158 // but makes speed unusable
159 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
160 if ([ts defaultBackgroundAlpha] < 1.0f) {
161 if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_1)
163 [[self window] setHasShadow:NO];
164 [[self window] setHasShadow:YES];
167 [[self window] invalidateShadow];
173 - (void)keyDown:(NSEvent *)event
175 //NSLog(@"%s %@", _cmd, event);
176 // HACK! If a modifier is held, don't pass the event along to
177 // interpretKeyEvents: since some keys are bound to multiple commands which
178 // means doCommandBySelector: is called several times.
180 // TODO: Figure out a way to disable Cocoa key bindings entirely, without
181 // affecting input management.
183 if ([event modifierFlags] & NSControlKeyMask)
184 [self dispatchKeyEvent:event];
186 [super keyDown:event];
189 - (void)insertText:(id)string
191 //NSLog(@"%s %@", _cmd, string);
192 // NOTE! This method is called for normal key presses but also for
193 // Option-key presses --- even when Ctrl is held as well as Option. When
194 // Ctrl is held, the AppKit translates the character to a Ctrl+key stroke,
195 // so 'string' need not be a printable character! In this case it still
196 // works to pass 'string' on to Vim as a printable character (since
197 // modifiers are already included and should not be added to the input
198 // buffer using CSI, K_MODIFIER).
200 [self hideMarkedTextField];
202 NSEvent *event = [NSApp currentEvent];
204 // HACK! In order to be able to bind to <S-Space>, <S-M-Tab>, etc. we have
205 // to watch for them here.
206 if ([event type] == NSKeyDown
207 && [[event charactersIgnoringModifiers] length] > 0
208 && [event modifierFlags]
209 & (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask)) {
210 unichar c = [[event charactersIgnoringModifiers] characterAtIndex:0];
212 // <S-M-Tab> translates to 0x19
213 if (' ' == c || 0x19 == c) {
214 [self dispatchKeyEvent:event];
219 // TODO: Support 'mousehide' (check p_mh)
220 [NSCursor setHiddenUntilMouseMoves:YES];
222 // NOTE: 'string' is either an NSString or an NSAttributedString. Since we
223 // do not support attributes, simply pass the corresponding NSString in the
225 if ([string isKindOfClass:[NSAttributedString class]])
226 string = [string string];
228 [[self vimController] sendMessage:InsertTextMsgID
229 data:[string dataUsingEncoding:NSUTF8StringEncoding]];
233 - (void)doCommandBySelector:(SEL)selector
235 //NSLog(@"%s %@", _cmd, NSStringFromSelector(selector));
236 // By ignoring the selector we effectively disable the key binding
237 // mechanism of Cocoa. Hopefully this is what the user will expect
238 // (pressing Ctrl+P would otherwise result in moveUp: instead of previous
241 // We usually end up here if the user pressed Ctrl+key (but not
244 NSEvent *event = [NSApp currentEvent];
246 if (selector == @selector(cancelOperation:)
247 || selector == @selector(insertNewline:)) {
248 // HACK! If there was marked text which got abandoned as a result of
249 // hitting escape or enter, then 'insertText:' is called with the
250 // abandoned text but '[event characters]' includes the abandoned text
251 // as well. Since 'dispatchKeyEvent:' looks at '[event characters]' we
252 // must intercept these keys here or the abandonded text gets inserted
254 NSString *key = [event charactersIgnoringModifiers];
255 const char *chars = [key UTF8String];
256 int len = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
258 if (0x3 == chars[0]) {
259 // HACK! AppKit turns enter (not return) into Ctrl-C, so we need to
260 // handle it separately (else Ctrl-C doesn't work).
261 len = sizeof(MMKeypadEnter)/sizeof(MMKeypadEnter[0]);
262 chars = MMKeypadEnter;
265 [self sendKeyDown:chars length:len modifiers:[event modifierFlags]];
267 [self dispatchKeyEvent:event];
271 - (BOOL)performKeyEquivalent:(NSEvent *)event
273 //NSLog(@"%s %@", _cmd, event);
274 // Called for Cmd+key keystrokes, function keys, arrow keys, page
275 // up/down, home, end.
277 // NOTE: This message cannot be ignored since Cmd+letter keys never are
278 // passed to keyDown:. It seems as if the main menu consumes Cmd-key
279 // strokes, unless the key is a function key.
281 // NOTE: If the event that triggered this method represents a function key
282 // down then we do nothing, otherwise the input method never gets the key
283 // stroke (some input methods use e.g. arrow keys). The function key down
284 // event will still reach Vim though (via keyDown:). The exceptions to
285 // this rule are: PageUp/PageDown (keycode 116/121).
286 int flags = [event modifierFlags];
287 if ([event type] != NSKeyDown || flags & NSFunctionKeyMask
288 && !(116 == [event keyCode] || 121 == [event keyCode]))
291 // HACK! Let the main menu try to handle any key down event, before
292 // passing it on to vim, otherwise key equivalents for menus will
293 // effectively be disabled.
294 if ([[NSApp mainMenu] performKeyEquivalent:event])
297 // HACK! KeyCode 50 represent the key which switches between windows
298 // within an application (like Cmd+Tab is used to switch between
299 // applications). Return NO here, else the window switching does not work.
301 // Will this hack work for all languages / keyboard layouts?
302 if ([event keyCode] == 50)
305 // HACK! On Leopard Ctrl-key events end up here instead of keyDown:.
306 if (flags & NSControlKeyMask) {
307 [self dispatchKeyEvent:event];
311 //NSLog(@"%s%@", _cmd, event);
313 NSString *chars = [event characters];
314 NSString *unmodchars = [event charactersIgnoringModifiers];
315 int len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
316 NSMutableData *data = [NSMutableData data];
321 // If 'chars' and 'unmodchars' differs when shift flag is present, then we
322 // can clear the shift flag as it is already included in 'unmodchars'.
323 // Failing to clear the shift flag means <D-Bar> turns into <S-D-Bar> (on
324 // an English keyboard).
325 if (flags & NSShiftKeyMask && ![chars isEqual:unmodchars])
326 flags &= ~NSShiftKeyMask;
328 if (0x3 == [unmodchars characterAtIndex:0]) {
329 // HACK! AppKit turns enter (not return) into Ctrl-C, so we need to
330 // handle it separately (else Cmd-enter turns into Ctrl-C).
331 unmodchars = MMKeypadEnterString;
332 len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
335 [data appendBytes:&flags length:sizeof(int)];
336 [data appendBytes:&len length:sizeof(int)];
337 [data appendBytes:[unmodchars UTF8String] length:len];
339 [[self vimController] sendMessage:CmdKeyMsgID data:data];
344 - (BOOL)hasMarkedText
346 //NSLog(@"%s", _cmd);
347 return markedTextField && [[markedTextField stringValue] length] > 0;
350 - (NSRange)markedRange
352 //NSLog(@"%s", _cmd);
353 // HACK! If a valid range is returned, then NSTextView changes the
354 // background color of the returned range. Since marked text is displayed
355 // in a separate popup window this behaviour is not wanted. By setting the
356 // location of the returned range to NSNotFound NSTextView does nothing.
357 // This hack is continued in 'firstRectForCharacterRange:'.
358 return NSMakeRange(NSNotFound, 0);
361 - (void)setMarkedText:(id)text selectedRange:(NSRange)range
363 //NSLog(@"setMarkedText:'%@' selectedRange:%@", text,
364 // NSStringFromRange(range));
366 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
369 if (!markedTextField) {
370 // Create a text field and put it inside a floating panel. This field
371 // is used to display marked text.
372 NSSize cellSize = [ts cellSize];
373 NSRect cellRect = { 0, 0, cellSize.width, cellSize.height };
375 markedTextField = [[NSTextField alloc] initWithFrame:cellRect];
376 [markedTextField setEditable:NO];
377 [markedTextField setSelectable:NO];
378 [markedTextField setBezeled:NO];
379 [markedTextField setBordered:YES];
381 NSPanel *panel = [[NSPanel alloc]
382 initWithContentRect:cellRect
383 styleMask:NSBorderlessWindowMask|NSUtilityWindowMask
384 backing:NSBackingStoreBuffered
387 //[panel setHidesOnDeactivate:NO];
388 [panel setFloatingPanel:YES];
389 [panel setBecomesKeyOnlyIfNeeded:YES];
390 [panel setContentView:markedTextField];
393 if (text && [text length] > 0) {
394 [markedTextField setFont:[ts font]];
395 if ([text isKindOfClass:[NSAttributedString class]])
396 [markedTextField setAttributedStringValue:text];
398 [markedTextField setStringValue:text];
400 [markedTextField sizeToFit];
401 NSSize size = [markedTextField frame].size;
403 // Convert coordinates (row,col) -> view -> window base -> screen
405 if (![self convertRow:insertionPointRow+1 column:insertionPointColumn
408 origin = [self convertPoint:origin toView:nil];
409 origin = [[self window] convertBaseToScreen:origin];
411 NSWindow *win = [markedTextField window];
412 [win setContentSize:size];
413 [win setFrameOrigin:origin];
414 [win orderFront:nil];
416 [self hideMarkedTextField];
422 //NSLog(@"%s", _cmd);
423 [self hideMarkedTextField];
426 - (NSRect)firstRectForCharacterRange:(NSRange)range
428 //NSLog(@"%s%@", _cmd, NSStringFromRange(range));
430 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
431 NSLayoutManager *lm = [self layoutManager];
432 NSTextContainer *tc = [self textContainer];
434 // HACK! Since we always return marked text to have location NSNotFound,
435 // this method will be called with 'range.location == NSNotFound' whenever
436 // the input manager tries to position a popup window near the insertion
437 // point. For this reason we compute where the insertion point is and
438 // return a rect which contains it.
439 if (!(ts && lm && tc) || NSNotFound != range.location)
440 return [super firstRectForCharacterRange:range];
442 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
443 column:insertionPointColumn];
445 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
446 actualCharacterRange:NULL];
447 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
449 ipRect.origin.x += [self textContainerOrigin].x;
450 ipRect.origin.y += [self textContainerOrigin].y + [ts cellSize].height;
452 ipRect.origin = [self convertPoint:ipRect.origin toView:nil];
453 ipRect.origin = [[self window] convertBaseToScreen:ipRect.origin];
458 - (void)scrollWheel:(NSEvent *)event
460 if ([event deltaY] == 0)
464 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
465 if (![self convertPoint:pt toRow:&row column:&col])
468 int flags = [event modifierFlags];
469 float dy = [event deltaY];
470 NSMutableData *data = [NSMutableData data];
472 [data appendBytes:&row length:sizeof(int)];
473 [data appendBytes:&col length:sizeof(int)];
474 [data appendBytes:&flags length:sizeof(int)];
475 [data appendBytes:&dy length:sizeof(float)];
477 [[self vimController] sendMessage:ScrollWheelMsgID data:data];
480 - (void)mouseDown:(NSEvent *)event
483 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
484 if (![self convertPoint:pt toRow:&row column:&col])
487 lastMouseDownEvent = [event copy];
489 int button = [event buttonNumber];
490 int flags = [event modifierFlags];
491 int count = [event clickCount];
492 NSMutableData *data = [NSMutableData data];
494 // If desired, intepret Ctrl-Click as a right mouse click.
495 if ([[NSUserDefaults standardUserDefaults]
496 boolForKey:MMTranslateCtrlClickKey]
497 && button == 0 && flags & NSControlKeyMask) {
499 flags &= ~NSControlKeyMask;
502 [data appendBytes:&row length:sizeof(int)];
503 [data appendBytes:&col length:sizeof(int)];
504 [data appendBytes:&button length:sizeof(int)];
505 [data appendBytes:&flags length:sizeof(int)];
506 [data appendBytes:&count length:sizeof(int)];
508 [[self vimController] sendMessage:MouseDownMsgID data:data];
511 - (void)rightMouseDown:(NSEvent *)event
513 [self mouseDown:event];
516 - (void)otherMouseDown:(NSEvent *)event
518 [self mouseDown:event];
521 - (void)mouseUp:(NSEvent *)event
524 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
525 if (![self convertPoint:pt toRow:&row column:&col])
528 int flags = [event modifierFlags];
529 NSMutableData *data = [NSMutableData data];
531 [data appendBytes:&row length:sizeof(int)];
532 [data appendBytes:&col length:sizeof(int)];
533 [data appendBytes:&flags length:sizeof(int)];
535 [[self vimController] sendMessage:MouseUpMsgID data:data];
540 - (void)rightMouseUp:(NSEvent *)event
542 [self mouseUp:event];
545 - (void)otherMouseUp:(NSEvent *)event
547 [self mouseUp:event];
550 - (void)mouseDragged:(NSEvent *)event
552 int flags = [event modifierFlags];
554 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
555 if (![self convertPoint:pt toRow:&row column:&col])
558 // Autoscrolling is done in dragTimerFired:
559 if (!isAutoscrolling) {
560 NSMutableData *data = [NSMutableData data];
562 [data appendBytes:&row length:sizeof(int)];
563 [data appendBytes:&col length:sizeof(int)];
564 [data appendBytes:&flags length:sizeof(int)];
566 [[self vimController] sendMessage:MouseDraggedMsgID data:data];
570 dragRow = row; dragColumn = col; dragFlags = flags;
572 [self startDragTimerWithInterval:.5];
577 - (void)rightMouseDragged:(NSEvent *)event
579 [self mouseDragged:event];
582 - (void)otherMouseDragged:(NSEvent *)event
584 [self mouseDragged:event];
587 - (void)mouseMoved:(NSEvent *)event
589 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
592 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
594 if (![self convertPoint:pt toRow:&row column:&col])
597 // HACK! It seems impossible to get the tracking rects set up before the
598 // view is visible, which means that the first mouseEntered: or
599 // mouseExited: events are never received. This forces us to check if the
600 // mouseMoved: event really happened over the text.
602 [ts getMaxRows:&rows columns:&cols];
603 if (row >= 0 && row < rows && col >= 0 && col < cols) {
604 NSMutableData *data = [NSMutableData data];
606 [data appendBytes:&row length:sizeof(int)];
607 [data appendBytes:&col length:sizeof(int)];
609 [[self vimController] sendMessage:MouseMovedMsgID data:data];
613 - (void)mouseEntered:(NSEvent *)event
615 //NSLog(@"%s", _cmd);
617 // NOTE: This event is received even when the window is not key; thus we
618 // have to take care not to enable mouse moved events unless our window is
620 if ([[self window] isKeyWindow])
621 [[self window] setAcceptsMouseMovedEvents:YES];
624 - (void)mouseExited:(NSEvent *)event
626 //NSLog(@"%s", _cmd);
628 [[self window] setAcceptsMouseMovedEvents:NO];
630 // NOTE: This event is received even when the window is not key; if the
631 // mouse shape is set when our window is not key, the hollow (unfocused)
632 // cursor will become a block (focused) cursor.
633 if ([[self window] isKeyWindow]) {
635 NSMutableData *data = [NSMutableData data];
636 [data appendBytes:&shape length:sizeof(int)];
637 [[self vimController] sendMessage:SetMouseShapeMsgID data:data];
641 - (void)setFrame:(NSRect)frame
643 //NSLog(@"%s", _cmd);
645 // When the frame changes we also need to update the tracking rect.
646 [super setFrame:frame];
647 [self removeTrackingRect:trackingRectTag];
648 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
649 userData:NULL assumeInside:YES];
652 - (void)viewDidMoveToWindow
654 //NSLog(@"%s (window=%@)", _cmd, [self window]);
656 // Set a tracking rect which covers the text.
657 // NOTE: While the mouse cursor is in this rect the view will receive
658 // 'mouseMoved:' events so that Vim can take care of updating the mouse
661 [[self window] setAcceptsMouseMovedEvents:YES];
662 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
663 userData:NULL assumeInside:YES];
667 - (void)viewWillMoveToWindow:(NSWindow *)newWindow
669 //NSLog(@"%s%@", _cmd, newWindow);
671 // Remove tracking rect if view moves or is removed.
672 if ([self window] && trackingRectTag) {
673 [self removeTrackingRect:trackingRectTag];
678 - (NSMenu*)menuForEvent:(NSEvent *)event
680 // HACK! Return nil to disable NSTextView's popup menus (Vim provides its
681 // own). Called when user Ctrl-clicks in the view (this is already handled
682 // in rightMouseDown:).
686 - (NSArray *)acceptableDragTypes
688 return [NSArray arrayWithObjects:NSFilenamesPboardType,
689 NSStringPboardType, nil];
692 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
694 NSPasteboard *pboard = [sender draggingPasteboard];
696 if ([[pboard types] containsObject:NSStringPboardType]) {
697 NSString *string = [pboard stringForType:NSStringPboardType];
698 [[self vimController] dropString:string];
700 } else if ([[pboard types] containsObject:NSFilenamesPboardType]) {
701 NSArray *files = [pboard propertyListForType:NSFilenamesPboardType];
702 [[self vimController] dropFiles:files];
709 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
711 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
712 NSPasteboard *pboard = [sender draggingPasteboard];
714 if ( [[pboard types] containsObject:NSFilenamesPboardType]
715 && (sourceDragMask & NSDragOperationCopy) )
716 return NSDragOperationCopy;
717 if ( [[pboard types] containsObject:NSStringPboardType]
718 && (sourceDragMask & NSDragOperationCopy) )
719 return NSDragOperationCopy;
721 return NSDragOperationNone;
724 - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
726 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
727 NSPasteboard *pboard = [sender draggingPasteboard];
729 if ( [[pboard types] containsObject:NSFilenamesPboardType]
730 && (sourceDragMask & NSDragOperationCopy) )
731 return NSDragOperationCopy;
732 if ( [[pboard types] containsObject:NSStringPboardType]
733 && (sourceDragMask & NSDragOperationCopy) )
734 return NSDragOperationCopy;
736 return NSDragOperationNone;
739 - (void)changeFont:(id)sender
741 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
744 NSFont *oldFont = [ts font];
745 NSFont *newFont = [sender convertFont:oldFont];
748 NSString *name = [newFont displayName];
749 unsigned len = [name lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
751 NSMutableData *data = [NSMutableData data];
752 float pointSize = [newFont pointSize];
754 [data appendBytes:&pointSize length:sizeof(float)];
756 ++len; // include NUL byte
757 [data appendBytes:&len length:sizeof(unsigned)];
758 [data appendBytes:[name UTF8String] length:len];
760 [[self vimController] sendMessage:SetFontMsgID data:data];
765 - (void)resetCursorRects
767 // No need to set up cursor rects since Vim handles cursor changes.
770 - (void)updateFontPanel
772 // The font panel is updated whenever the font is set.
775 - (void)viewWillStartLiveResize
777 id windowController = [[self window] windowController];
778 [windowController liveResizeWillStart];
780 [super viewWillStartLiveResize];
783 - (void)viewDidEndLiveResize
785 id windowController = [[self window] windowController];
786 [windowController liveResizeDidEnd];
788 [super viewDidEndLiveResize];
796 @implementation MMTextView (Private)
798 - (BOOL)convertPoint:(NSPoint)point toRow:(int *)row column:(int *)column
801 NSLayoutManager *lm = [self layoutManager];
802 NSTextContainer *tc = [self textContainer];
803 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
805 if (!(lm && tc && ts))
808 unsigned glyphIdx = [lm glyphIndexForPoint:point inTextContainer:tc];
809 unsigned charIdx = [lm characterIndexForGlyphAtIndex:glyphIdx];
811 int mod = [ts maxColumns] + 1;
813 if (row) *row = (int)(charIdx / mod);
814 if (column) *column = (int)(charIdx % mod);
816 NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
821 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
822 NSSize cellSize = [ts cellSize];
823 if (!(cellSize.width > 0 && cellSize.height > 0))
825 NSPoint origin = [self textContainerOrigin];
827 if (row) *row = floor((point.y-origin.y-1) / cellSize.height);
828 if (column) *column = floor((point.x-origin.x-1) / cellSize.width);
830 //NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
837 - (BOOL)convertRow:(int)row column:(int)column toPoint:(NSPoint *)point
839 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
840 NSSize cellSize = [ts cellSize];
841 if (!(point && cellSize.width > 0 && cellSize.height > 0))
844 *point = [self textContainerOrigin];
845 point->x += column * cellSize.width;
846 point->y += row * cellSize.height;
851 - (NSRect)trackingRect
853 NSRect rect = [self frame];
854 NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
855 int left = [ud integerForKey:MMTextInsetLeftKey];
856 int top = [ud integerForKey:MMTextInsetTopKey];
857 int right = [ud integerForKey:MMTextInsetRightKey];
858 int bot = [ud integerForKey:MMTextInsetBottomKey];
860 rect.origin.x = left;
862 rect.size.width -= left + right - 1;
863 rect.size.height -= top + bot - 1;
868 - (void)dispatchKeyEvent:(NSEvent *)event
870 // Only handle the command if it came from a keyDown event
871 if ([event type] != NSKeyDown)
874 NSString *chars = [event characters];
875 NSString *unmodchars = [event charactersIgnoringModifiers];
876 unichar c = [chars characterAtIndex:0];
877 unichar imc = [unmodchars characterAtIndex:0];
879 const char *bytes = 0;
880 int mods = [event modifierFlags];
882 //NSLog(@"%s chars[0]=0x%x unmodchars[0]=0x%x (chars=%@ unmodchars=%@)",
883 // _cmd, c, imc, chars, unmodchars);
885 if (' ' == imc && 0xa0 != c) {
886 // HACK! The AppKit turns <C-Space> into <C-@> which is not standard
887 // Vim behaviour, so bypass this problem. (0xa0 is <M-Space>, which
888 // should be passed on as is.)
889 len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
890 bytes = [unmodchars UTF8String];
891 } else if (imc == c && '2' == c) {
892 // HACK! Translate Ctrl+2 to <C-@>.
893 static char ctrl_at = 0;
894 len = 1; bytes = &ctrl_at;
895 } else if (imc == c && '6' == c) {
896 // HACK! Translate Ctrl+6 to <C-^>.
897 static char ctrl_hat = 0x1e;
898 len = 1; bytes = &ctrl_hat;
899 } else if (c == 0x19 && imc == 0x19) {
900 // HACK! AppKit turns back tab into Ctrl-Y, so we need to handle it
901 // separately (else Ctrl-Y doesn't work).
902 static char tab = 0x9;
903 len = 1; bytes = &tab; mods |= NSShiftKeyMask;
905 len = [chars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
906 bytes = [chars UTF8String];
909 [self sendKeyDown:bytes length:len modifiers:mods];
912 - (MMVimController *)vimController
914 id windowController = [[self window] windowController];
916 // TODO: Make sure 'windowController' is a MMWindowController before type
918 return [(MMWindowController*)windowController vimController];
921 - (void)startDragTimerWithInterval:(NSTimeInterval)t
923 [NSTimer scheduledTimerWithTimeInterval:t target:self
924 selector:@selector(dragTimerFired:)
925 userInfo:nil repeats:NO];
928 - (void)dragTimerFired:(NSTimer *)timer
930 // TODO: Autoscroll in horizontal direction?
931 static unsigned tick = 1;
932 MMTextStorage *ts = (MMTextStorage *)[self textStorage];
934 isAutoscrolling = NO;
936 if (isDragging && ts && (dragRow < 0 || dragRow >= [ts maxRows])) {
937 // HACK! If the mouse cursor is outside the text area, then send a
938 // dragged event. However, if row&col hasn't changed since the last
939 // dragged event, Vim won't do anything (see gui_send_mouse_event()).
940 // Thus we fiddle with the column to make sure something happens.
941 int col = dragColumn + (dragRow < 0 ? -(tick % 2) : +(tick % 2));
942 NSMutableData *data = [NSMutableData data];
944 [data appendBytes:&dragRow length:sizeof(int)];
945 [data appendBytes:&col length:sizeof(int)];
946 [data appendBytes:&dragFlags length:sizeof(int)];
948 [[self vimController] sendMessage:MouseDraggedMsgID data:data];
950 isAutoscrolling = YES;
954 // Compute timer interval depending on how far away the mouse cursor is
955 // from the text view.
956 NSRect rect = [self trackingRect];
958 if (dragPoint.y < rect.origin.y) dy = rect.origin.y - dragPoint.y;
959 else if (dragPoint.y > NSMaxY(rect)) dy = dragPoint.y - NSMaxY(rect);
960 if (dy > MMDragAreaSize) dy = MMDragAreaSize;
962 NSTimeInterval t = MMDragTimerMaxInterval -
963 dy*(MMDragTimerMaxInterval-MMDragTimerMinInterval)/MMDragAreaSize;
965 [self startDragTimerWithInterval:t];
971 - (void)sendKeyDown:(const char *)chars length:(int)len modifiers:(int)flags
973 if (chars && len > 0) {
974 NSMutableData *data = [NSMutableData data];
976 [data appendBytes:&flags length:sizeof(int)];
977 [data appendBytes:&len length:sizeof(int)];
978 [data appendBytes:chars length:len];
980 // TODO: Support 'mousehide' (check p_mh)
981 [NSCursor setHiddenUntilMouseMoves:YES];
983 //NSLog(@"%s len=%d chars=0x%x", _cmd, len, chars[0]);
984 [[self vimController] sendMessage:KeyDownMsgID data:data];
988 @end // MMTextView (Private)