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:@""];
103 - (void)drawRect:(NSRect)rect
105 [super drawRect:rect];
107 if (shouldDrawInsertionPoint) {
108 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
109 NSLayoutManager *lm = [self layoutManager];
110 NSTextContainer *tc = [self textContainer];
112 // Given (row,column), calculate the bounds of the glyph at that spot.
113 // We use the layout manager because this gives us exactly the size and
114 // location of the glyph so that we can match the insertion point to
116 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
117 column:insertionPointColumn];
119 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
120 actualCharacterRange:NULL];
121 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
123 ipRect.origin.x += [self textContainerOrigin].x;
124 ipRect.origin.y += [self textContainerOrigin].y;
126 if (MMInsertionPointHorizontal == insertionPointShape) {
127 int frac = ([ts cellSize].height * insertionPointFraction + 99)/100;
128 ipRect.origin.y += ipRect.size.height - frac;
129 ipRect.size.height = frac;
130 } else if (MMInsertionPointVertical == insertionPointShape) {
131 int frac = ([ts cellSize].width* insertionPointFraction + 99)/100;
132 ipRect.size.width = frac;
135 [[self insertionPointColor] set];
136 if (MMInsertionPointHollow == insertionPointShape) {
142 // NOTE: We only draw the cursor once and rely on Vim to say when it
143 // should be drawn again.
144 shouldDrawInsertionPoint = NO;
146 //NSLog(@"%s draw insertion point %@ shape=%d color=%@", _cmd,
147 // NSStringFromRect(ipRect), insertionPointShape,
148 // [self insertionPointColor]);
152 - (void)keyDown:(NSEvent *)event
154 //NSLog(@"%s %@", _cmd, event);
155 // HACK! If a modifier is held, don't pass the event along to
156 // interpretKeyEvents: since some keys are bound to multiple commands which
157 // means doCommandBySelector: is called several times.
159 // TODO: Figure out a way to disable Cocoa key bindings entirely, without
160 // affecting input management.
162 if ([event modifierFlags] & NSControlKeyMask)
163 [self dispatchKeyEvent:event];
165 [super keyDown:event];
168 - (void)insertText:(id)string
170 //NSLog(@"%s %@", _cmd, string);
171 // NOTE! This method is called for normal key presses but also for
172 // Option-key presses --- even when Ctrl is held as well as Option. When
173 // Ctrl is held, the AppKit translates the character to a Ctrl+key stroke,
174 // so 'string' need not be a printable character! In this case it still
175 // works to pass 'string' on to Vim as a printable character (since
176 // modifiers are already included and should not be added to the input
177 // buffer using CSI, K_MODIFIER).
179 [self hideMarkedTextField];
181 NSEvent *event = [NSApp currentEvent];
183 // HACK! In order to be able to bind to <S-Space>, <S-M-Tab>, etc. we have
184 // to watch for them here.
185 if ([event type] == NSKeyDown
186 && [[event charactersIgnoringModifiers] length] > 0
187 && [event modifierFlags]
188 & (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask)) {
189 unichar c = [[event charactersIgnoringModifiers] characterAtIndex:0];
191 // <S-M-Tab> translates to 0x19
192 if (' ' == c || 0x19 == c) {
193 [self dispatchKeyEvent:event];
198 // TODO: Support 'mousehide' (check p_mh)
199 [NSCursor setHiddenUntilMouseMoves:YES];
201 // NOTE: 'string' is either an NSString or an NSAttributedString. Since we
202 // do not support attributes, simply pass the corresponding NSString in the
204 if ([string isKindOfClass:[NSAttributedString class]])
205 string = [string string];
207 [[self vimController] sendMessage:InsertTextMsgID
208 data:[string dataUsingEncoding:NSUTF8StringEncoding]];
212 - (void)doCommandBySelector:(SEL)selector
214 //NSLog(@"%s %@", _cmd, NSStringFromSelector(selector));
215 // By ignoring the selector we effectively disable the key binding
216 // mechanism of Cocoa. Hopefully this is what the user will expect
217 // (pressing Ctrl+P would otherwise result in moveUp: instead of previous
220 // We usually end up here if the user pressed Ctrl+key (but not
223 NSEvent *event = [NSApp currentEvent];
225 if (selector == @selector(cancelOperation:)
226 || selector == @selector(insertNewline:)) {
227 // HACK! If there was marked text which got abandoned as a result of
228 // hitting escape or enter, then 'insertText:' is called with the
229 // abandoned text but '[event characters]' includes the abandoned text
230 // as well. Since 'dispatchKeyEvent:' looks at '[event characters]' we
231 // must intercept these keys here or the abandonded text gets inserted
233 NSString *key = [event charactersIgnoringModifiers];
234 const char *chars = [key UTF8String];
235 int len = [key lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
237 if (0x3 == chars[0]) {
238 // HACK! AppKit turns enter (not return) into Ctrl-C, so we need to
239 // handle it separately (else Ctrl-C doesn't work).
240 len = sizeof(MMKeypadEnter)/sizeof(MMKeypadEnter[0]);
241 chars = MMKeypadEnter;
244 [self sendKeyDown:chars length:len modifiers:[event modifierFlags]];
246 [self dispatchKeyEvent:event];
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 // NOTE: This message cannot be ignored since Cmd+letter keys never are
257 // passed to keyDown:. It seems as if the main menu consumes Cmd-key
258 // strokes, unless the key is a function key.
260 // NOTE: If the event that triggered this method represents a function key
261 // down then we do nothing, otherwise the input method never gets the key
262 // stroke (some input methods use e.g. arrow keys). The function key down
263 // event will still reach Vim though (via keyDown:).
264 int flags = [event modifierFlags];
265 if ([event type] != NSKeyDown || flags & NSFunctionKeyMask)
268 // HACK! Let the main menu try to handle any key down event, before
269 // passing it on to vim, otherwise key equivalents for menus will
270 // effectively be disabled.
271 if ([[NSApp mainMenu] performKeyEquivalent:event])
274 // HACK! KeyCode 50 represent the key which switches between windows
275 // within an application (like Cmd+Tab is used to switch between
276 // applications). Return NO here, else the window switching does not work.
278 // Will this hack work for all languages / keyboard layouts?
279 if ([event keyCode] == 50)
282 //NSLog(@"%s%@", _cmd, event);
284 NSString *chars = [event characters];
285 NSString *unmodchars = [event charactersIgnoringModifiers];
286 int len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
287 NSMutableData *data = [NSMutableData data];
292 // If 'chars' and 'unmodchars' differs when shift flag is present, then we
293 // can clear the shift flag as it is already included in 'unmodchars'.
294 // Failing to clear the shift flag means <D-Bar> turns into <S-D-Bar> (on
295 // an English keyboard).
296 if (flags & NSShiftKeyMask && ![chars isEqual:unmodchars])
297 flags &= ~NSShiftKeyMask;
299 if (0x3 == [unmodchars characterAtIndex:0]) {
300 // HACK! AppKit turns enter (not return) into Ctrl-C, so we need to
301 // handle it separately (else Cmd-enter turns into Ctrl-C).
302 unmodchars = MMKeypadEnterString;
303 len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
306 [data appendBytes:&flags length:sizeof(int)];
307 [data appendBytes:&len length:sizeof(int)];
308 [data appendBytes:[unmodchars UTF8String] length:len];
310 [[self vimController] sendMessage:CmdKeyMsgID data:data];
315 - (BOOL)hasMarkedText
317 //NSLog(@"%s", _cmd);
318 return markedTextField && [[markedTextField stringValue] length] > 0;
321 - (NSRange)markedRange
323 //NSLog(@"%s", _cmd);
324 // HACK! If a valid range is returned, then NSTextView changes the
325 // background color of the returned range. Since marked text is displayed
326 // in a separate popup window this behaviour is not wanted. By setting the
327 // location of the returned range to NSNotFound NSTextView does nothing.
328 // This hack is continued in 'firstRectForCharacterRange:'.
329 return NSMakeRange(NSNotFound, 0);
332 - (void)setMarkedText:(id)text selectedRange:(NSRange)range
334 //NSLog(@"setMarkedText:'%@' selectedRange:%@", text,
335 // NSStringFromRange(range));
337 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
340 if (!markedTextField) {
341 // Create a text field and put it inside a floating panel. This field
342 // is used to display marked text.
343 NSSize cellSize = [ts cellSize];
344 NSRect cellRect = { 0, 0, cellSize.width, cellSize.height };
346 markedTextField = [[NSTextField alloc] initWithFrame:cellRect];
347 [markedTextField setEditable:NO];
348 [markedTextField setSelectable:NO];
349 [markedTextField setBezeled:NO];
350 [markedTextField setBordered:YES];
352 NSPanel *panel = [[NSPanel alloc]
353 initWithContentRect:cellRect
354 styleMask:NSBorderlessWindowMask|NSUtilityWindowMask
355 backing:NSBackingStoreBuffered
358 //[panel setHidesOnDeactivate:NO];
359 [panel setFloatingPanel:YES];
360 [panel setBecomesKeyOnlyIfNeeded:YES];
361 [panel setContentView:markedTextField];
364 if (text && [text length] > 0) {
365 [markedTextField setFont:[ts font]];
366 if ([text isKindOfClass:[NSAttributedString class]])
367 [markedTextField setAttributedStringValue:text];
369 [markedTextField setStringValue:text];
371 [markedTextField sizeToFit];
372 NSSize size = [markedTextField frame].size;
374 // Convert coordinates (row,col) -> view -> window base -> screen
376 if (![self convertRow:insertionPointRow+1 column:insertionPointColumn
379 origin = [self convertPoint:origin toView:nil];
380 origin = [[self window] convertBaseToScreen:origin];
382 NSWindow *win = [markedTextField window];
383 [win setContentSize:size];
384 [win setFrameOrigin:origin];
385 [win orderFront:nil];
387 [self hideMarkedTextField];
393 //NSLog(@"%s", _cmd);
394 [self hideMarkedTextField];
397 - (NSRect)firstRectForCharacterRange:(NSRange)range
399 //NSLog(@"%s%@", _cmd, NSStringFromRange(range));
401 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
402 NSLayoutManager *lm = [self layoutManager];
403 NSTextContainer *tc = [self textContainer];
405 // HACK! Since we always return marked text to have location NSNotFound,
406 // this method will be called with 'range.location == NSNotFound' whenever
407 // the input manager tries to position a popup window near the insertion
408 // point. For this reason we compute where the insertion point is and
409 // return a rect which contains it.
410 if (!(ts && lm && tc) || NSNotFound != range.location)
411 return [super firstRectForCharacterRange:range];
413 unsigned charIdx = [ts characterIndexForRow:insertionPointRow
414 column:insertionPointColumn];
416 [lm glyphRangeForCharacterRange:NSMakeRange(charIdx,1)
417 actualCharacterRange:NULL];
418 NSRect ipRect = [lm boundingRectForGlyphRange:glyphRange
420 ipRect.origin.x += [self textContainerOrigin].x;
421 ipRect.origin.y += [self textContainerOrigin].y + [ts cellSize].height;
423 ipRect.origin = [self convertPoint:ipRect.origin toView:nil];
424 ipRect.origin = [[self window] convertBaseToScreen:ipRect.origin];
429 - (void)scrollWheel:(NSEvent *)event
431 if ([event deltaY] == 0)
435 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
436 if (![self convertPoint:pt toRow:&row column:&col])
439 int flags = [event modifierFlags];
440 float dy = [event deltaY];
441 NSMutableData *data = [NSMutableData data];
443 [data appendBytes:&row length:sizeof(int)];
444 [data appendBytes:&col length:sizeof(int)];
445 [data appendBytes:&flags length:sizeof(int)];
446 [data appendBytes:&dy length:sizeof(float)];
448 [[self vimController] sendMessage:ScrollWheelMsgID data:data];
451 - (void)mouseDown:(NSEvent *)event
454 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
455 if (![self convertPoint:pt toRow:&row column:&col])
458 lastMouseDownEvent = [event copy];
460 int button = [event buttonNumber];
461 int flags = [event modifierFlags];
462 int count = [event clickCount];
463 NSMutableData *data = [NSMutableData data];
465 // If desired, intepret Ctrl-Click as a right mouse click.
466 if ([[NSUserDefaults standardUserDefaults]
467 boolForKey:MMTranslateCtrlClickKey]
468 && button == 0 && flags & NSControlKeyMask) {
470 flags &= ~NSControlKeyMask;
473 [data appendBytes:&row length:sizeof(int)];
474 [data appendBytes:&col length:sizeof(int)];
475 [data appendBytes:&button length:sizeof(int)];
476 [data appendBytes:&flags length:sizeof(int)];
477 [data appendBytes:&count length:sizeof(int)];
479 [[self vimController] sendMessage:MouseDownMsgID data:data];
482 - (void)rightMouseDown:(NSEvent *)event
484 [self mouseDown:event];
487 - (void)otherMouseDown:(NSEvent *)event
489 [self mouseDown:event];
492 - (void)mouseUp:(NSEvent *)event
495 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
496 if (![self convertPoint:pt toRow:&row column:&col])
499 int flags = [event modifierFlags];
500 NSMutableData *data = [NSMutableData data];
502 [data appendBytes:&row length:sizeof(int)];
503 [data appendBytes:&col length:sizeof(int)];
504 [data appendBytes:&flags length:sizeof(int)];
506 [[self vimController] sendMessage:MouseUpMsgID data:data];
511 - (void)rightMouseUp:(NSEvent *)event
513 [self mouseUp:event];
516 - (void)otherMouseUp:(NSEvent *)event
518 [self mouseUp:event];
521 - (void)mouseDragged:(NSEvent *)event
523 int flags = [event modifierFlags];
525 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
526 if (![self convertPoint:pt toRow:&row column:&col])
529 // Autoscrolling is done in dragTimerFired:
530 if (!isAutoscrolling) {
531 NSMutableData *data = [NSMutableData data];
533 [data appendBytes:&row length:sizeof(int)];
534 [data appendBytes:&col length:sizeof(int)];
535 [data appendBytes:&flags length:sizeof(int)];
537 [[self vimController] sendMessage:MouseDraggedMsgID data:data];
541 dragRow = row; dragColumn = col; dragFlags = flags;
543 [self startDragTimerWithInterval:.5];
548 - (void)rightMouseDragged:(NSEvent *)event
550 [self mouseDragged:event];
553 - (void)otherMouseDragged:(NSEvent *)event
555 [self mouseDragged:event];
558 - (void)mouseMoved:(NSEvent *)event
560 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
563 NSPoint pt = [self convertPoint:[event locationInWindow] fromView:nil];
565 if (![self convertPoint:pt toRow:&row column:&col])
568 // HACK! It seems impossible to get the tracking rects set up before the
569 // view is visible, which means that the first mouseEntered: or
570 // mouseExited: events are never received. This forces us to check if the
571 // mouseMoved: event really happened over the text.
573 [ts getMaxRows:&rows columns:&cols];
574 if (row >= 0 && row < rows && col >= 0 && col < cols) {
575 NSMutableData *data = [NSMutableData data];
577 [data appendBytes:&row length:sizeof(int)];
578 [data appendBytes:&col length:sizeof(int)];
580 [[self vimController] sendMessage:MouseMovedMsgID data:data];
584 - (void)mouseEntered:(NSEvent *)event
586 //NSLog(@"%s", _cmd);
588 // NOTE: This event is received even when the window is not key; thus we
589 // have to take care not to enable mouse moved events unless our window is
591 if ([[self window] isKeyWindow])
592 [[self window] setAcceptsMouseMovedEvents:YES];
595 - (void)mouseExited:(NSEvent *)event
597 //NSLog(@"%s", _cmd);
599 [[self window] setAcceptsMouseMovedEvents:NO];
601 // NOTE: This event is received even when the window is not key; if the
602 // mouse shape is set when our window is not key, the hollow (unfocused)
603 // cursor will become a block (focused) cursor.
604 if ([[self window] isKeyWindow]) {
606 NSMutableData *data = [NSMutableData data];
607 [data appendBytes:&shape length:sizeof(int)];
608 [[self vimController] sendMessage:SetMouseShapeMsgID data:data];
612 - (void)setFrame:(NSRect)frame
614 //NSLog(@"%s", _cmd);
616 // When the frame changes we also need to update the tracking rect.
617 [super setFrame:frame];
618 [self removeTrackingRect:trackingRectTag];
619 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
620 userData:NULL assumeInside:YES];
623 - (void)viewDidMoveToWindow
625 //NSLog(@"%s (window=%@)", _cmd, [self window]);
627 // Set a tracking rect which covers the text.
628 // NOTE: While the mouse cursor is in this rect the view will receive
629 // 'mouseMoved:' events so that Vim can take care of updating the mouse
632 [[self window] setAcceptsMouseMovedEvents:YES];
633 trackingRectTag = [self addTrackingRect:[self trackingRect] owner:self
634 userData:NULL assumeInside:YES];
638 - (void)viewWillMoveToWindow:(NSWindow *)newWindow
640 //NSLog(@"%s%@", _cmd, newWindow);
642 // Remove tracking rect if view moves or is removed.
643 if ([self window] && trackingRectTag) {
644 [self removeTrackingRect:trackingRectTag];
649 - (NSMenu*)menuForEvent:(NSEvent *)event
651 // HACK! Return nil to disable NSTextView's popup menus (Vim provides its
652 // own). Called when user Ctrl-clicks in the view (this is already handled
653 // in rightMouseDown:).
657 - (NSArray *)acceptableDragTypes
659 return [NSArray arrayWithObjects:NSFilenamesPboardType,
660 NSStringPboardType, nil];
663 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
665 NSPasteboard *pboard = [sender draggingPasteboard];
667 if ([[pboard types] containsObject:NSStringPboardType]) {
668 NSString *string = [pboard stringForType:NSStringPboardType];
669 [[self vimController] dropString:string];
671 } else if ([[pboard types] containsObject:NSFilenamesPboardType]) {
672 NSArray *files = [pboard propertyListForType:NSFilenamesPboardType];
673 [[self vimController] dropFiles:files];
680 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
682 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
683 NSPasteboard *pboard = [sender draggingPasteboard];
685 if ( [[pboard types] containsObject:NSFilenamesPboardType]
686 && (sourceDragMask & NSDragOperationCopy) )
687 return NSDragOperationCopy;
688 if ( [[pboard types] containsObject:NSStringPboardType]
689 && (sourceDragMask & NSDragOperationCopy) )
690 return NSDragOperationCopy;
692 return NSDragOperationNone;
695 - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
697 NSDragOperation sourceDragMask = [sender draggingSourceOperationMask];
698 NSPasteboard *pboard = [sender draggingPasteboard];
700 if ( [[pboard types] containsObject:NSFilenamesPboardType]
701 && (sourceDragMask & NSDragOperationCopy) )
702 return NSDragOperationCopy;
703 if ( [[pboard types] containsObject:NSStringPboardType]
704 && (sourceDragMask & NSDragOperationCopy) )
705 return NSDragOperationCopy;
707 return NSDragOperationNone;
710 - (void)changeFont:(id)sender
712 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
715 NSFont *oldFont = [ts font];
716 NSFont *newFont = [sender convertFont:oldFont];
719 NSString *name = [newFont displayName];
720 unsigned len = [name lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
722 NSMutableData *data = [NSMutableData data];
723 float pointSize = [newFont pointSize];
725 [data appendBytes:&pointSize length:sizeof(float)];
727 ++len; // include NUL byte
728 [data appendBytes:&len length:sizeof(unsigned)];
729 [data appendBytes:[name UTF8String] length:len];
731 [[self vimController] sendMessage:SetFontMsgID data:data];
736 - (void)resetCursorRects
738 // No need to set up cursor rects since Vim handles cursor changes.
741 - (void)updateFontPanel
743 // The font panel is updated whenever the font is set.
746 - (void)viewDidEndLiveResize
748 id windowController = [[self window] windowController];
749 [windowController liveResizeDidEnd];
757 @implementation MMTextView (Private)
759 - (BOOL)convertPoint:(NSPoint)point toRow:(int *)row column:(int *)column
762 NSLayoutManager *lm = [self layoutManager];
763 NSTextContainer *tc = [self textContainer];
764 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
766 if (!(lm && tc && ts))
769 unsigned glyphIdx = [lm glyphIndexForPoint:point inTextContainer:tc];
770 unsigned charIdx = [lm characterIndexForGlyphAtIndex:glyphIdx];
772 int mod = [ts maxColumns] + 1;
774 if (row) *row = (int)(charIdx / mod);
775 if (column) *column = (int)(charIdx % mod);
777 NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
782 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
783 NSSize cellSize = [ts cellSize];
784 if (!(cellSize.width > 0 && cellSize.height > 0))
786 NSPoint origin = [self textContainerOrigin];
788 if (row) *row = floor((point.y-origin.y-1) / cellSize.height);
789 if (column) *column = floor((point.x-origin.x-1) / cellSize.width);
791 //NSLog(@"convertPoint:%@ toRow:%d column:%d", NSStringFromPoint(point),
798 - (BOOL)convertRow:(int)row column:(int)column toPoint:(NSPoint *)point
800 MMTextStorage *ts = (MMTextStorage*)[self textStorage];
801 NSSize cellSize = [ts cellSize];
802 if (!(point && cellSize.width > 0 && cellSize.height > 0))
805 *point = [self textContainerOrigin];
806 point->x += column * cellSize.width;
807 point->y += row * cellSize.height;
812 - (NSRect)trackingRect
814 NSRect rect = [self frame];
815 NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
816 int left = [ud integerForKey:MMTextInsetLeftKey];
817 int top = [ud integerForKey:MMTextInsetTopKey];
818 int right = [ud integerForKey:MMTextInsetRightKey];
819 int bot = [ud integerForKey:MMTextInsetBottomKey];
821 rect.origin.x = left;
823 rect.size.width -= left + right - 1;
824 rect.size.height -= top + bot - 1;
829 - (void)dispatchKeyEvent:(NSEvent *)event
831 // Only handle the command if it came from a keyDown event
832 if ([event type] != NSKeyDown)
835 NSString *chars = [event characters];
836 NSString *unmodchars = [event charactersIgnoringModifiers];
837 unichar c = [chars characterAtIndex:0];
838 unichar imc = [unmodchars characterAtIndex:0];
840 const char *bytes = 0;
841 int mods = [event modifierFlags];
843 //NSLog(@"%s chars[0]=0x%x unmodchars[0]=0x%x (chars=%@ unmodchars=%@)",
844 // _cmd, c, imc, chars, unmodchars);
846 if (' ' == imc && 0xa0 != c) {
847 // HACK! The AppKit turns <C-Space> into <C-@> which is not standard
848 // Vim behaviour, so bypass this problem. (0xa0 is <M-Space>, which
849 // should be passed on as is.)
850 len = [unmodchars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
851 bytes = [unmodchars UTF8String];
852 } else if (imc == c && '2' == c) {
853 // HACK! Translate Ctrl+2 to <C-@>.
854 static char ctrl_at = 0;
855 len = 1; bytes = &ctrl_at;
856 } else if (imc == c && '6' == c) {
857 // HACK! Translate Ctrl+6 to <C-^>.
858 static char ctrl_hat = 0x1e;
859 len = 1; bytes = &ctrl_hat;
860 } else if (c == 0x19 && imc == 0x19) {
861 // HACK! AppKit turns back tab into Ctrl-Y, so we need to handle it
862 // separately (else Ctrl-Y doesn't work).
863 static char tab = 0x9;
864 len = 1; bytes = &tab; mods |= NSShiftKeyMask;
866 len = [chars lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
867 bytes = [chars UTF8String];
870 [self sendKeyDown:bytes length:len modifiers:mods];
873 - (MMVimController *)vimController
875 id windowController = [[self window] windowController];
877 // TODO: Make sure 'windowController' is a MMWindowController before type
879 return [(MMWindowController*)windowController vimController];
882 - (void)startDragTimerWithInterval:(NSTimeInterval)t
884 [NSTimer scheduledTimerWithTimeInterval:t target:self
885 selector:@selector(dragTimerFired:)
886 userInfo:nil repeats:NO];
889 - (void)dragTimerFired:(NSTimer *)timer
891 // TODO: Autoscroll in horizontal direction?
892 static unsigned tick = 1;
893 MMTextStorage *ts = (MMTextStorage *)[self textStorage];
895 isAutoscrolling = NO;
897 if (isDragging && ts && (dragRow < 0 || dragRow >= [ts maxRows])) {
898 // HACK! If the mouse cursor is outside the text area, then send a
899 // dragged event. However, if row&col hasn't changed since the last
900 // dragged event, Vim won't do anything (see gui_send_mouse_event()).
901 // Thus we fiddle with the column to make sure something happens.
902 int col = dragColumn + (dragRow < 0 ? -(tick % 2) : +(tick % 2));
903 NSMutableData *data = [NSMutableData data];
905 [data appendBytes:&dragRow length:sizeof(int)];
906 [data appendBytes:&col length:sizeof(int)];
907 [data appendBytes:&dragFlags length:sizeof(int)];
909 [[self vimController] sendMessage:MouseDraggedMsgID data:data];
911 isAutoscrolling = YES;
915 // Compute timer interval depending on how far away the mouse cursor is
916 // from the text view.
917 NSRect rect = [self trackingRect];
919 if (dragPoint.y < rect.origin.y) dy = rect.origin.y - dragPoint.y;
920 else if (dragPoint.y > NSMaxY(rect)) dy = dragPoint.y - NSMaxY(rect);
921 if (dy > MMDragAreaSize) dy = MMDragAreaSize;
923 NSTimeInterval t = MMDragTimerMaxInterval -
924 dy*(MMDragTimerMaxInterval-MMDragTimerMinInterval)/MMDragAreaSize;
926 [self startDragTimerWithInterval:t];
932 - (void)sendKeyDown:(const char *)chars length:(int)len modifiers:(int)flags
934 if (chars && len > 0) {
935 NSMutableData *data = [NSMutableData data];
937 [data appendBytes:&flags length:sizeof(int)];
938 [data appendBytes:&len length:sizeof(int)];
939 [data appendBytes:chars length:len];
941 // TODO: Support 'mousehide' (check p_mh)
942 [NSCursor setHiddenUntilMouseMoves:YES];
944 //NSLog(@"%s len=%d chars=0x%x", _cmd, len, chars[0]);
945 [[self vimController] sendMessage:KeyDownMsgID data:data];
949 @end // MMTextView (Private)