mirror of
https://github.com/gnustep/libs-gui.git
synced 2025-04-25 06:51:08 +00:00
dbbeff810a
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3827 72102866-910b-0410-8b05-ffd578937521
2319 lines
83 KiB
Objective-C
2319 lines
83 KiB
Objective-C
/*
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NSText.m
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The RTFD text class
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Scott Christley <scottc@net-community.com>
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Date: 1996
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Author: Felipe A. Rodriguez <far@ix.netcom.com>
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Date: July 1998
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Author: Daniel Bðhringer <boehring@biomed.ruhr-uni-bochum.de>
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Date: August 1998
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// doDo: contact autor
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#if !defined(ABS)
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#define ABS(A) ({ typeof(A) __a = (A); __a < 0 ? -__a : __a; })
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#endif // the definition in gstep-base produces warnings FIX ME FAR
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#include <gnustep/gui/config.h>
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#include <Foundation/NSString.h>
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#include <AppKit/NSFileWrapper.h>
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#include <AppKit/NSControl.h>
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#include <AppKit/NSText.h>
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#include <AppKit/NSApplication.h>
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#include <AppKit/NSWindow.h>
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#include <AppKit/NSFontPanel.h>
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#include <AppKit/NSFont.h>
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#include <AppKit/NSColor.h>
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#include <AppKit/NSPasteboard.h>
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#include <AppKit/NSSpellChecker.h>
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#include <AppKit/NSDragging.h>
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#include <AppKit/NSStringDrawing.h>
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#include <Foundation/NSNotification.h>
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#include <Foundation/NSArchiver.h>
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#include <Foundation/NSValue.h>
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#include <Foundation/NSScanner.h>
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#include <Foundation/NSData.h>
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static NSRange MakeRangeFromAbs(int a1,int a2) // not the same as NSMakeRange!
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{
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if (a1 < 0)
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a1 = 0;
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if (a2 < 0)
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a2 = 0;
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if (a1 < a2)
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return NSMakeRange(a1,a2-a1);
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else
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return NSMakeRange(a2,a1-a2);
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}
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extern BOOL NSEqualRanges(NSRange range1, NSRange range2); // should define in base FIX ME FAR
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#define HUGE 1e99
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enum {
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NSBackspaceKey = 8,
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NSCarriageReturnKey = 13,
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NSDeleteKey = 0x7f,
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NSBacktabKey = 25
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};
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//*****************************************************************************
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//
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// _GNULineLayoutInfo
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//
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//*****************************************************************************
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@interface _GNULineLayoutInfo:NSObject
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{ NSRange lineRange;
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NSRect lineRect;
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float drawingOffset;
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BOOL dontDisplay;
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unsigned type;
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NSString *fingerprintString; // used in lines before paragraphs for determining if update optimization is possible
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}
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typedef enum
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{ // do not use 0 in order to secure calls to nil!
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LineLayoutInfoType_Text=1,
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LineLayoutInfoType_Paragraph=2
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} _GNULineLayoutInfo_t;
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+ lineLayoutWithRange:(NSRange) aRange rect:(NSRect) aRect drawingOffset:(float) anOffset type:(unsigned) aType;
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-(NSRange) lineRange;
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-(NSRect) lineRect;
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-(float) drawingOffset;
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-(BOOL) isDontDisplay;
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-(unsigned) type;
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-(void) setLineRange:(NSRange) aRange;
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-(void) setLineRect:(NSRect) aRect;
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-(void) setDrawingOffset:(float) anOffset;
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-(void) setDontDisplay:(BOOL) flag;
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-(void) setType:(unsigned) aType;
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-(NSString*) fingerprintString;
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-(void) setFingerprintString:(NSString*) aString;
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-(BOOL) isLineTerminatingParagraph;
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-(NSString*) description;
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@end
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@implementation _GNULineLayoutInfo
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+ lineLayoutWithRange:(NSRange) aRange rect:(NSRect) aRect drawingOffset:(float) anOffset type:(unsigned) aType
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{ id ret=[[[_GNULineLayoutInfo alloc] init] autorelease];
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[ret setLineRange:aRange]; [ret setLineRect:aRect]; [ret setDrawingOffset:anOffset]; [ret setType:aType];
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return ret;
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}
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-(BOOL) isDontDisplay {return dontDisplay;}
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-(unsigned) type {return type;}
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-(NSRange) lineRange {return lineRange;}
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-(NSRect) lineRect {return lineRect;}
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-(float) drawingOffset {return drawingOffset;}
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-(NSString*) fingerprintString {return fingerprintString;}
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-(void) setLineRange:(NSRange) aRange {lineRange= aRange;}
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-(void) setLineRect:(NSRect) aRect {lineRect= aRect;}
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-(void) setDrawingOffset:(float) anOffset {drawingOffset= anOffset;}
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-(void) setDontDisplay:(BOOL) flag {dontDisplay=flag;}
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-(void) setType:(unsigned) aType {type=aType;}
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-(void) setFingerprintString:(NSString*) aString
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{ ASSIGN(fingerprintString,aString);
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}
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-(NSString*) description
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{ return [[NSDictionary dictionaryWithObjectsAndKeys: NSStringFromRange(lineRange),@"LineRange",
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NSStringFromRect(lineRect),@"LineRect",
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fingerprintString,@"fingerprint",
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nil] description];
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}
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-(BOOL) isLineTerminatingParagraph {return type == LineLayoutInfoType_Paragraph && lineRect.origin.x> 0;} // sort of hackish
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-(void) dealloc
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{ if(fingerprintString) [fingerprintString release];
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[super dealloc];
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}
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@end
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// end: _GNULineLayoutInfo ----------------------------------------------------
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//*****************************************************************************
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//
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// _GNUTextScanner
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//
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//*****************************************************************************
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// NeXT's NSScanner's scanCharactersFromSet and friends seem to be a bit sluggish on whitespaces and newlines
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//(have not tried GNUstep-base implementation though). so here is a more pedantic implementation:
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// ithis class should be considered private since it is not polished at all!
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@interface _GNUTextScanner:NSObject
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{ NSString *string;
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NSCharacterSet *set,*iSet;
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unsigned stringLength;
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NSRange activeRange;
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}
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+(_GNUTextScanner*) scannerWithString:(NSString*) aStr set:(NSCharacterSet*) aSet invertedSet:(NSCharacterSet*) anInvSet;
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-(void) setString:(NSString*) aString set:(NSCharacterSet*) aSet invertedSet:(NSCharacterSet*) anInvSet;
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-(NSRange) _scanCharactersInverted:(BOOL) inverted;
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-(NSRange) scanSetCharacters;
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-(NSRange) scanNonSetCharacters;
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-(BOOL) isAtEnd;
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-(unsigned) scanLocation;
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-(void) setScanLocation:(unsigned) aLoc;
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@end
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@implementation _GNUTextScanner
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+(_GNUTextScanner*) scannerWithString:(NSString*) aStr set:(NSCharacterSet*) aSet invertedSet:(NSCharacterSet*) anInvSet
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{ _GNUTextScanner *ret=[[self alloc] init];
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[ret setString:aStr set:aSet invertedSet:anInvSet];
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return [ret autorelease];
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}
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-(void) setString:(NSString*) aString set:(NSCharacterSet*) aSet invertedSet:(NSCharacterSet*) anInvSet
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{ ASSIGN(string,aString); stringLength=[string length]; activeRange=NSMakeRange(0,stringLength);
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ASSIGN(set,aSet); ASSIGN(iSet,anInvSet);
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}
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-(NSRange) _scanCharactersInverted:(BOOL) inverted
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{ NSRange range=NSMakeRange(activeRange.location,0);
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NSCharacterSet *currentSet= inverted? iSet:set;
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NSCharacterSet *currentISet= inverted? set:iSet;
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if(activeRange.location>= stringLength) return range;
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if([currentSet characterIsMember:[string characterAtIndex:activeRange.location]])
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{ range=[string rangeOfCharacterFromSet:currentSet options:0 range:activeRange];
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}
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if (range.length)
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{ NSRange iRange=range;
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iRange=[string rangeOfCharacterFromSet:currentISet options:0 range:MakeRangeFromAbs(NSMaxRange(range),stringLength)];
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if(iRange.length) range=MakeRangeFromAbs(range.location,iRange.location);
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else range=MakeRangeFromAbs(range.location,stringLength);
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activeRange=MakeRangeFromAbs(NSMaxRange(range),stringLength);
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}
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return range;
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}
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-(NSRange) scanSetCharacters
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{ return [self _scanCharactersInverted:NO];
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}
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-(NSRange) scanNonSetCharacters
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{ return [self _scanCharactersInverted:YES];
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}
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-(BOOL) isAtEnd
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{
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return activeRange.location>= stringLength;
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}
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-(unsigned) scanLocation {return activeRange.location;}
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-(void) setScanLocation:(unsigned) aLoc
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{
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activeRange=MakeRangeFromAbs(aLoc,stringLength);
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}
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-(void) dealloc
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{ [string release];
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[set release];
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[iSet release];
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[super dealloc];
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}
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@end
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// end: _GNUTextScanner implementation ----------------------------------------
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@interface NSAttributedString(DrawingAddition)
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-(NSSize) sizeRange:(NSRange) aRange;
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-(void) drawRange:(NSRange) aRange atPoint:(NSPoint) aPoint;
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@end
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@implementation NSAttributedString(DrawingAddition)
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-(NSSize) sizeRange:(NSRange) currRange
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{ NSRect retRect=NSZeroRect;
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NSRange lineRange=currRange;
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NSPoint currPoint;
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NSString *string=[self string];
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for(; NSMaxRange(currRange)< NSMaxRange(lineRange);) // draw all "runs"
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{ NSDictionary *attributes=[self attributesAtIndex:NSMaxRange(currRange) longestEffectiveRange:&currRange inRange:lineRange];
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NSString *substring=[string substringWithRange:currRange];
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NSRect sizeRect=NSZeroRect;
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sizeRect.size=[substring sizeWithAttributes:attributes];
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retRect=NSUnionRect(retRect,sizeRect);
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currPoint.x+=sizeRect.size.width;
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} return retRect.size;
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}
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-(void) drawRange:(NSRange) currRange atPoint:(NSPoint) aPoint
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{ NSRange lineRange=currRange;
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NSPoint currPoint;
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NSString *string=[self string];
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for(currPoint=aPoint; NSMaxRange(currRange)< NSMaxRange(lineRange);) // draw all "runs"
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{ NSDictionary *attributes=[self attributesAtIndex:NSMaxRange(currRange) longestEffectiveRange:&currRange inRange:lineRange];
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NSString *substring=[string substringWithRange:currRange];
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[substring drawAtPoint:currPoint withAttributes:attributes];
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currPoint.x+=[substring sizeWithAttributes: attributes].width;
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}
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}
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@end
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@interface _GNUSeekableArrayEnumerator:NSObject
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{ unsigned currentIndex;
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NSArray *array;
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}
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- initWithArray:(NSArray*) anArray;
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- nextObject;
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- previousObject;
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- currentObject;
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@end
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@implementation _GNUSeekableArrayEnumerator
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- initWithArray:(NSArray*) anArray
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{ [super init];
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array=[anArray retain];
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return self;
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}
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- nextObject
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{ if(currentIndex >= [array count]) return nil;
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return [array objectAtIndex:currentIndex++];
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}
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- previousObject
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{ if(!currentIndex) return nil;
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return [array objectAtIndex:--currentIndex];
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}
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- currentObject
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{ return [array objectAtIndex:currentIndex];
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}
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-(void) dealloc
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{ [array release];
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[super dealloc];
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}
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@end
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@interface NSArray(SeekableEnumerator)
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-(_GNUSeekableArrayEnumerator*) seekableEnumerator;
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@end
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@implementation NSArray(SeekableEnumerator)
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-(_GNUSeekableArrayEnumerator*) seekableEnumerator
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{ return [[[_GNUSeekableArrayEnumerator alloc] initWithArray:self] autorelease];
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}
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@end
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//*****************************************************************************
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//
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// NSText
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//
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//*****************************************************************************
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@implementation NSText
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//
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// Class methods
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//
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+ (void)initialize
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{
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if (self == [NSText class])
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{
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NSArray *r;
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NSArray *s;
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[self setVersion:1]; // Initial version
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r = [NSArray arrayWithObjects: NSStringPboardType, nil];
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s = [NSArray arrayWithObjects: NSStringPboardType, nil];
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[[NSApplication sharedApplication] registerServicesMenuSendTypes: s
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returnTypes: r];
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}
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}
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//<!>
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//this is sort of a botch up: rtf should be spilled out here in order to be OPENSTEP-compatible
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// the way to go is surely implementing -(NSData *)RTFDFromRange:(NSRange)range documentAttributes:(NSDictionary *)dict; and friends.
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// (NeXT OPENSTEP additions to NSAttributedString)
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//
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// but on the other hand: since rtf is MS-technology, simply let us declare the NSArchiver generated data stream output being the GNU rich text format ;-)
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+(NSData*) dataForAttributedString:(NSAttributedString*) aString
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{ return [NSArchiver archivedDataWithRootObject:aString];
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}
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//this is sort of a botch up: a rtf parser should come in here in order to be OPENSTEP-compatible
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// but on the other hand: since rtf is MS-technology, simply let us declare the NSArchiver generated data stream output being the GNU rich text format ;-)
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// return value is guaranteed to be a NSAttributedString even if data is only NSString
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+(NSAttributedString*) attributedStringForData:(NSData*) aData
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{ id erg=[NSUnarchiver unarchiveObjectWithData:aData];
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if(![erg isKindOfClass:[NSAttributedString class]])
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return [[[NSAttributedString alloc] initWithString:erg] autorelease];
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else return erg;
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}
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+(NSString*) newlineString {return @"\n";}
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//
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// Instance methods
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//
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//
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// Initialization
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//
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- init
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{
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return [self initWithFrame:NSMakeRect(0,0,100,100)];
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}
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- initWithFrame:(NSRect)frameRect
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{ [super initWithFrame:frameRect];
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alignment = NSLeftTextAlignment;
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is_editable = YES;
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[self setRichText:NO]; // sets up the contents object
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is_selectable = YES;
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imports_graphics = NO;
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uses_font_panel = NO;
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is_horizontally_resizable =NO;
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is_vertically_resizable = YES;
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is_ruler_visible = NO;
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is_field_editor = NO;
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draws_background = YES;
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[self setBackgroundColor:[NSColor whiteColor]];
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[self setTextColor:[NSColor blackColor]];
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default_font = [NSFont userFontOfSize:12];
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[self setSelectionWordGranularitySet:[NSCharacterSet characterSetWithCharactersInString:@" "]]; //[NSCharacterSet whitespaceCharacterSet]
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[self setSelectionParagraphGranularitySet:[NSCharacterSet characterSetWithCharactersInString:[[self class] newlineString]]];
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[self setMinSize:frameRect.size];
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[self setMaxSize:NSMakeSize(HUGE,HUGE)];
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[self setString:@"Text"];
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[self setSelectedRange:NSMakeRange(0,0)];
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return self;
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}
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-(NSDictionary*) defaultTypingAttributes
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{ return [NSDictionary dictionaryWithObjectsAndKeys: default_font,NSFontAttributeName,
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text_color,NSForegroundColorAttributeName,
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nil];
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}
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/*
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* Handle enabling/disabling of services menu items.
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*/
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- (id) validRequestorForSendType: (NSString*)sendType
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returnType: (NSString*)returnType
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{
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if ((!sendType || [sendType isEqual: NSStringPboardType]) &&
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(!returnType || [returnType isEqual: NSStringPboardType]))
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{
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if (([self selectedRange].length || !sendType) &&
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([self isEditable] || !returnType))
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{
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return self;
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}
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}
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return [super validRequestorForSendType: sendType
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returnType: returnType];
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}
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- (BOOL) readSelectionFromPasteboard: (NSPasteboard*)pb
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{
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NSArray *types;
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NSString *string;
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NSRange range;
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types = [pb types];
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if ([types containsObject: NSStringPboardType] == NO)
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{
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return NO;
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}
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string = [pb stringForType: NSStringPboardType];
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range = [self selectedRange];
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[self deleteRange: range backspace: NO];
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[self insertText: string];
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range.length = [string length];
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[self setSelectedRange: range];
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return YES;
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}
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- (BOOL) writeSelectionToPasteboard: (NSPasteboard*)pb
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types: (NSArray*)sendTypes
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{
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NSArray *types;
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NSRange range;
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NSString *string;
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if ([sendTypes containsObject: NSStringPboardType] == NO)
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{
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return NO;
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}
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types = [NSArray arrayWithObjects: NSStringPboardType, nil];
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[pb declareTypes: types owner: nil];
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range = [self selectedRange];
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string = [self string];
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string = [string substringWithRange: range];
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return [pb setString: string forType: NSStringPboardType];
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}
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// <!>
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// handle font pasteboard as well!
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// handle ruler pasteboard as well!
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-(BOOL) performPasteOperation:(NSPasteboard *)pboard
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{
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// color accepting
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if([pboard availableTypeFromArray:[NSArray arrayWithObject:NSColorPboardType]])
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{ NSColor *color=[NSColor colorFromPasteboard:pboard];
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if([self isRichText])
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{ [self setTextColor:color range:[self selectedRange]];
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} else [self setTextColor:color];
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return YES;
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}
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if([self importsGraphics])
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{ NSArray *types=[NSArray arrayWithObjects:NSFileContentsPboardType, NSRTFDPboardType, NSRTFPboardType, NSStringPboardType, NSTIFFPboardType, nil];
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if([[pboard availableTypeFromArray:types] isEqualToString:NSRTFDPboardType])
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{ [self insertText:[[self class] attributedStringForData:[pboard dataForType:NSRTFDPboardType]]];
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} else if([[pboard availableTypeFromArray:types] isEqualToString:NSRTFPboardType])
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{ [self insertText:[[self class] attributedStringForData:[pboard dataForType:NSRTFPboardType]]];
|
|
} else if([[pboard availableTypeFromArray:types] isEqualToString:NSStringPboardType])
|
|
{ [self insertText:[pboard stringForType:NSStringPboardType]];
|
|
return YES;
|
|
}
|
|
} else if([self isRichText])
|
|
{ NSArray *types=[NSArray arrayWithObjects:NSRTFPboardType, NSStringPboardType,nil];
|
|
if([[pboard availableTypeFromArray:types] isEqualToString:NSRTFPboardType])
|
|
{ [self insertText:[[self class] attributedStringForData:[pboard dataForType:NSRTFPboardType]]];
|
|
} else if([[pboard availableTypeFromArray:types] isEqualToString:NSStringPboardType])
|
|
{ [self insertText:[pboard stringForType:NSStringPboardType]];
|
|
return YES;
|
|
}
|
|
} else // plain text
|
|
{ NSArray *types=[NSArray arrayWithObjects:NSStringPboardType, nil];
|
|
if([[pboard availableTypeFromArray:types] isEqualToString:NSStringPboardType])
|
|
{ [self insertText:[pboard stringForType:NSStringPboardType]];
|
|
return YES;
|
|
}
|
|
} return NO;
|
|
}
|
|
|
|
|
|
// begin: dragging of colors and files ---------------
|
|
-(unsigned int) draggingEntered:(id <NSDraggingInfo>)sender
|
|
{ return NSDragOperationGeneric;
|
|
}
|
|
-(unsigned int) draggingUpdated:(id <NSDraggingInfo>)sender
|
|
{ return NSDragOperationGeneric;
|
|
}
|
|
-(void) draggingExited:(id <NSDraggingInfo>)sender
|
|
{
|
|
}
|
|
-(BOOL) prepareForDragOperation:(id <NSDraggingInfo>)sender
|
|
{ return YES;
|
|
}
|
|
|
|
-(BOOL) performDragOperation:(id <NSDraggingInfo>)sender
|
|
{ return [self performPasteOperation:[sender draggingPasteboard]];
|
|
}
|
|
-(void) concludeDragOperation:(id <NSDraggingInfo>)sender
|
|
{
|
|
}
|
|
// end: drag accepting ---------------------------------
|
|
|
|
- (void)dealloc
|
|
{ [self unregisterDraggedTypes];
|
|
[background_color release];
|
|
[default_font release];
|
|
[text_color release];
|
|
|
|
[plainContent release];
|
|
[rtfContent release];
|
|
|
|
[super dealloc];
|
|
}
|
|
|
|
-(NSArray*) acceptableDragTypes
|
|
{ NSMutableArray *ret=[NSMutableArray arrayWithObjects:NSStringPboardType, NSColorPboardType, nil];
|
|
|
|
if([self isRichText]) [ret addObject:NSRTFPboardType];
|
|
if([self importsGraphics]) [ret addObject:NSRTFDPboardType];
|
|
return ret;
|
|
}
|
|
|
|
-(void) updateDragTypeRegistration
|
|
{ [self registerForDraggedTypes:[self acceptableDragTypes]];
|
|
}
|
|
|
|
-(NSRange) selectionRangeForProposedRange:(NSRange)proposedCharRange granularity:(NSSelectionGranularity)granularity
|
|
{ NSCharacterSet *set=nil;
|
|
unsigned lastIndex=[self textLength]-1,lpos=MIN(lastIndex,proposedCharRange.location),
|
|
rpos=NSMaxRange(proposedCharRange);
|
|
NSString *string=[self string];
|
|
BOOL rmemberstate,lmemberstate;
|
|
|
|
if(![string length]) return NSMakeRange(0,0);
|
|
|
|
switch(granularity)
|
|
{ case NSSelectByCharacter: return NSIntersectionRange(proposedCharRange,NSMakeRange(0,[self textLength]+1));
|
|
case NSSelectByWord:
|
|
set=selectionWordGranularitySet;
|
|
break;
|
|
case NSSelectByParagraph:
|
|
set=selectionParagraphGranularitySet;
|
|
break;
|
|
}
|
|
// now work on set...
|
|
lmemberstate=[set characterIsMember:[string characterAtIndex:lpos]];
|
|
rmemberstate=[set characterIsMember:[string characterAtIndex:MIN(rpos,lastIndex)]];
|
|
while (rpos<= lastIndex && [set characterIsMember:[string characterAtIndex:rpos]]== rmemberstate) rpos++;
|
|
|
|
while(lpos && [set characterIsMember:[string characterAtIndex:lpos]]== lmemberstate) lpos--;
|
|
return MakeRangeFromAbs(lpos,rpos);
|
|
}
|
|
|
|
|
|
//
|
|
// Getting and Setting Contents
|
|
//
|
|
|
|
// low level (no selection handling, relayout or display)
|
|
-(void) replaceRange:(NSRange)range withAttributedString:(NSAttributedString*)attrString
|
|
{ if([self isRichText])
|
|
{ return [rtfContent replaceCharactersInRange:range withAttributedString:attrString];
|
|
} else return [plainContent replaceCharactersInRange:range withString:[attrString string]];
|
|
}
|
|
-(void) replaceRange:(NSRange)range withRTFD:(NSData *)rtfdData
|
|
{ return [self replaceRange:range withAttributedString:[[self class] attributedStringForData:rtfdData]];
|
|
}
|
|
|
|
-(void) replaceRange:(NSRange)range withRTF:(NSData*) rtfData
|
|
{ [self replaceRange:range withRTFD:rtfData];
|
|
}
|
|
|
|
-(void) replaceRange:(NSRange)range withString:(NSString*) aString
|
|
{ if([self isRichText])
|
|
{ return [rtfContent replaceCharactersInRange:range withString:aString];
|
|
} else return [plainContent replaceCharactersInRange:range withString:aString];
|
|
}
|
|
|
|
-(void) setText:(NSString*) aString range:(NSRange) aRange
|
|
{ [self replaceRange:(NSRange)aRange withString:aString];
|
|
}
|
|
|
|
-(NSData*) RTFDFromRange:(NSRange)range
|
|
{ if([self isRichText])
|
|
{ return [[self class] dataForAttributedString:[rtfContent attributedSubstringFromRange:range]];
|
|
} else return nil;
|
|
}
|
|
|
|
-(NSData*) RTFFromRange:(NSRange)range
|
|
{ return [self RTFDFromRange:range];
|
|
}
|
|
|
|
-(void) setString:(NSString *)string
|
|
{ [plainContent release];
|
|
plainContent=[[NSMutableString stringWithString:string] retain];
|
|
[lineLayoutInformation autorelease]; lineLayoutInformation=nil; // force complete re-layout
|
|
[self setRichText:NO];
|
|
|
|
//[self setNeedsDisplay: YES];
|
|
}
|
|
-(void) setText:(NSString *)string {[self setString:string];}
|
|
|
|
|
|
-(NSString*) string
|
|
{ if([self isRichText]) return [rtfContent string];
|
|
else return plainContent;
|
|
}
|
|
-(NSString*) text {return [self string];}
|
|
|
|
//
|
|
// Managing Global Characteristics
|
|
//
|
|
-(NSTextAlignment)alignment { return alignment; }
|
|
-(BOOL) drawsBackground { return draws_background; }
|
|
-(BOOL) importsGraphics { return imports_graphics; }
|
|
-(BOOL) isEditable { return is_editable; }
|
|
-(BOOL) isRichText { return is_rich_text; }
|
|
-(BOOL) isSelectable { return is_selectable; }
|
|
|
|
- (void)setAlignment:(NSTextAlignment)mode
|
|
{ alignment = mode;
|
|
}
|
|
|
|
- (void)setDrawsBackground:(BOOL)flag
|
|
{ draws_background = flag;
|
|
}
|
|
|
|
- (void)setEditable:(BOOL)flag
|
|
{ is_editable = flag;
|
|
if (flag) is_selectable = YES; // If we are editable then we are selectable
|
|
}
|
|
|
|
- (void)setImportsGraphics:(BOOL)flag
|
|
{ imports_graphics = flag;
|
|
|
|
[self updateDragTypeRegistration];
|
|
}
|
|
|
|
-(void) setRichText:(BOOL)flag
|
|
{ is_rich_text = flag;
|
|
if(flag)
|
|
{ if(!rtfContent) rtfContent=[[NSMutableAttributedString alloc] initWithString:plainContent? (NSString*)plainContent:@"" attributes:[self defaultTypingAttributes]];
|
|
[self rebuildRichLineLayoutInformationStartingAtLine:0];
|
|
} else
|
|
{ if(!plainContent) plainContent=[[NSMutableString alloc] initWithString:rtfContent? [rtfContent string]:@""];
|
|
[self rebuildPlainLineLayoutInformationStartingAtLine:0];
|
|
}
|
|
|
|
[self updateDragTypeRegistration];
|
|
|
|
[self sizeToFit];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
|
|
- (void)setSelectable:(BOOL)flag
|
|
{ is_selectable = flag;
|
|
if (!flag) is_editable = NO; // If we are not selectable then we must not be editable
|
|
}
|
|
|
|
//
|
|
// Managing Font and Color
|
|
//
|
|
-(NSColor*) backgroundColor { return background_color; }
|
|
-(NSFont*) font { return default_font; }
|
|
-(NSColor*) textColor { return text_color; }
|
|
-(BOOL) usesFontPanel { return uses_font_panel; }
|
|
|
|
|
|
// This action method changes the font of the selection for a rich text object, or of all text for a plain text object. If the receiver doesn't use the Font Panel, however, this method does nothing.
|
|
-(void) changeFont:sender
|
|
{ if([self usesFontPanel])
|
|
{ if([self isRichText])
|
|
{ NSRange selectedRange=[self selectedRange], searchRange=selectedRange,foundRange;
|
|
int maxSelRange;
|
|
|
|
for(maxSelRange=NSMaxRange(selectedRange); searchRange.location< maxSelRange;
|
|
searchRange=NSMakeRange(NSMaxRange(foundRange),maxSelRange-NSMaxRange(foundRange)))
|
|
{ NSFont *font=[rtfContent attribute:NSFontAttributeName atIndex:searchRange.location longestEffectiveRange:&foundRange inRange:searchRange];
|
|
if(font)
|
|
{ [self setFont:[sender convertFont:font] ofRange:foundRange];
|
|
}
|
|
}
|
|
} else
|
|
{ [self setFont:[sender convertFont:[[self defaultTypingAttributes] objectForKey:NSFontAttributeName]]];
|
|
}
|
|
}
|
|
}
|
|
|
|
-(void) setSelectionWordGranularitySet:(NSCharacterSet*) aSet
|
|
{ ASSIGN(selectionWordGranularitySet, aSet);
|
|
}
|
|
-(void) setSelectionParagraphGranularitySet:(NSCharacterSet*) aSet
|
|
{ ASSIGN(selectionParagraphGranularitySet, aSet);
|
|
}
|
|
|
|
|
|
- (void)setBackgroundColor:(NSColor *)color
|
|
{ ASSIGN(background_color, color);
|
|
}
|
|
-(void) setTypingAttributes:(NSDictionary*) dict
|
|
{ if(![dict isKindOfClass:[NSMutableDictionary class]])
|
|
{ [typingAttributes autorelease];
|
|
typingAttributes=[[NSMutableDictionary alloc] initWithDictionary:dict]; // do not autorelease!
|
|
} else ASSIGN(typingAttributes, (NSMutableDictionary*)dict);
|
|
}
|
|
-(NSMutableDictionary*) typingAttributes
|
|
{ if(typingAttributes) return typingAttributes;
|
|
else return [NSMutableDictionary dictionaryWithDictionary:[self defaultTypingAttributes]];
|
|
}
|
|
|
|
- (void)setTextColor:(NSColor *)color range:(NSRange)range
|
|
{ if([self isRichText])
|
|
{ if(color) [rtfContent addAttribute:NSForegroundColorAttributeName value:color range:range];
|
|
} else {}
|
|
|
|
}
|
|
-(void) setColor:(NSColor *)color ofRange:(NSRange)range
|
|
{ [self setTextColor:color range:range];
|
|
}
|
|
|
|
- (void)setFont:(NSFont *)obj
|
|
{ ASSIGN(default_font, obj);
|
|
}
|
|
|
|
- (void)setFont:(NSFont *)font ofRange:(NSRange)range
|
|
{ if([self isRichText])
|
|
{ if(font) [rtfContent addAttribute:NSFontAttributeName value:font range:range];
|
|
} else {}
|
|
}
|
|
|
|
- (void)setTextColor:(NSColor *)color
|
|
{ ASSIGN(text_color,color);
|
|
|
|
if(![self isRichText]) [self setNeedsDisplay: YES];
|
|
}
|
|
|
|
- (void)setUsesFontPanel:(BOOL)flag
|
|
{ uses_font_panel = flag;
|
|
}
|
|
|
|
//
|
|
// Managing the Selection
|
|
//
|
|
- (NSRange)selectedRange { return selected_range; }
|
|
|
|
|
|
|
|
-(BOOL) shouldDrawInsertionPoint
|
|
{ return ([self selectedRange].length==0) && [self isEditable] && (![self isFieldEditor]);
|
|
}
|
|
-(void) drawInsertionPointInRect:(NSRect)rect color:(NSColor *)color turnedOn:(BOOL)flag
|
|
{ if(flag)
|
|
{ [color set]; NSRectFill(rect);
|
|
} else
|
|
{ [[self backgroundColor] set]; NSRectFill(rect);
|
|
}
|
|
}
|
|
-(void) drawInsertionPointAtIndex:(unsigned)index color:(NSColor *)color turnedOn:(BOOL)flag
|
|
{ NSRect startRect=[self rectForCharacterIndex:index];
|
|
[self drawInsertionPointInRect:NSMakeRect(startRect.origin.x, startRect.origin.y,1.0,startRect.size.height)
|
|
color:[NSColor blackColor] turnedOn:flag];
|
|
}
|
|
|
|
|
|
-(void) drawSelectionAsRangeNoCaret:(NSRange) aRange
|
|
{ if(aRange.length)
|
|
{ NSRect startRect=[self rectForCharacterIndex:aRange.location],
|
|
endRect=[self rectForCharacterIndex:NSMaxRange(aRange)];
|
|
if(startRect.origin.y == endRect.origin.y) // single line selection
|
|
{ NSHighlightRect(NSMakeRect(startRect.origin.x,startRect.origin.y,endRect.origin.x-startRect.origin.x, startRect.size.height));
|
|
} else if(startRect.origin.y == endRect.origin.y-endRect.size.height) // two line selection
|
|
{ NSHighlightRect((NSMakeRect(startRect.origin.x,startRect.origin.y,[self frame].size.width-startRect.origin.x,startRect.size.height))); // first line
|
|
NSHighlightRect(NSMakeRect(0,endRect.origin.y,endRect.origin.x,endRect.size.height)); // second line
|
|
} else // 3 Rects: multiline selection
|
|
{ NSHighlightRect(((NSMakeRect(startRect.origin.x,startRect.origin.y,[self frame].size.width-startRect.origin.x,startRect.size.height)))); // first line
|
|
NSHighlightRect(NSMakeRect(0,NSMaxY(startRect),[self frame].size.width,endRect.origin.y-NSMaxY(startRect))); // intermediate lines
|
|
NSHighlightRect(NSMakeRect(0,endRect.origin.y,endRect.origin.x,endRect.size.height)); // last line
|
|
}
|
|
}
|
|
}
|
|
-(void) drawSelectionAsRange:(NSRange) aRange
|
|
{ if(aRange.length)
|
|
{ [self drawSelectionAsRangeNoCaret:aRange];
|
|
} else [self drawInsertionPointAtIndex:aRange.location color:[NSColor blackColor] turnedOn:YES];
|
|
}
|
|
|
|
-(void) setSelectedRangeNoDrawing:(NSRange)range
|
|
{
|
|
#if 0
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:NSTextViewDidChangeSelectionNotification object:self
|
|
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:NSStringFromRange(selected_range),NSOldSelectedCharacterRange,
|
|
nil]];
|
|
#endif
|
|
selected_range = range;
|
|
}
|
|
|
|
|
|
-(void) setSelectedRange:(NSRange)range
|
|
{ BOOL didLock=NO;
|
|
|
|
if(![self window])
|
|
return;
|
|
|
|
if([[self class] focusView] != self)
|
|
{ [self lockFocus];
|
|
didLock=YES;
|
|
}
|
|
|
|
if(selected_range.length== 0) // remove old cursor
|
|
{ [self drawInsertionPointAtIndex:selected_range.location color:nil turnedOn:NO];
|
|
} else
|
|
{ [self drawSelectionAsRange:selected_range];
|
|
}
|
|
|
|
[self setSelectedRangeNoDrawing:range];
|
|
|
|
if([self usesFontPanel]) // update fontPanel
|
|
{ BOOL isMultiple=NO;
|
|
NSFont *currentFont=nil;
|
|
if([self isRichText])
|
|
{ // if(are multiple fonts in selection) isMultiple=YES;
|
|
// else currentFont=[rtfContent attribute:NSFontAttributeName atIndex:range.location longestEffectiveRange:NULL inRange:range]
|
|
} else currentFont=[[self defaultTypingAttributes] objectForKey:NSFontAttributeName];
|
|
[[NSFontPanel sharedFontPanel] setPanelFont:currentFont isMultiple:isMultiple];
|
|
}
|
|
// display
|
|
if(range.length)
|
|
{
|
|
// <!>disable caret timed entry
|
|
} else // no selection
|
|
{ if([self isRichText])
|
|
{ [self setTypingAttributes:[NSMutableDictionary dictionaryWithDictionary:[rtfContent attributesAtIndex:range.location effectiveRange:NULL]]];
|
|
}
|
|
// <!>enable caret timed entry
|
|
}
|
|
[self drawSelectionAsRange:range];
|
|
[self scrollRangeToVisible:range];
|
|
|
|
if(didLock)
|
|
{ [self unlockFocus];
|
|
[[self window] flushWindow];
|
|
}
|
|
}
|
|
|
|
//
|
|
// Sizing the Frame Rectangle
|
|
//
|
|
-(void) setFrame:(NSRect)frameRect
|
|
{ [super setFrame:frameRect];
|
|
}
|
|
|
|
-(BOOL) isHorizontallyResizable { return is_horizontally_resizable; }
|
|
-(BOOL) isVerticallyResizable { return is_vertically_resizable; }
|
|
-(NSSize) maxSize { return maxSize; }
|
|
-(NSSize) minSize { return minSize; }
|
|
|
|
- (void)setHorizontallyResizable:(BOOL)flag
|
|
{ is_horizontally_resizable = flag;
|
|
}
|
|
|
|
- (void)setMaxSize:(NSSize)newMaxSize
|
|
{ maxSize=newMaxSize;
|
|
}
|
|
|
|
- (void)setMinSize:(NSSize)newMinSize
|
|
{ minSize=newMinSize;
|
|
}
|
|
|
|
-(void) setVerticallyResizable:(BOOL)flag
|
|
{ is_vertically_resizable = flag;
|
|
}
|
|
|
|
-(unsigned) textLength
|
|
{ if([self isRichText]) return [rtfContent length];
|
|
else return [plainContent length];
|
|
}
|
|
|
|
-(NSRect) boundingRectForLineRange:(NSRange)lineRange
|
|
{ NSArray *linesToDraw=[lineLayoutInformation subarrayWithRange:lineRange];
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
NSRect retRect=NSMakeRect(0,0,0,0);
|
|
|
|
for(lineEnum=[linesToDraw objectEnumerator]; (currentInfo=[lineEnum nextObject]);)
|
|
{ retRect=NSUnionRect(retRect,[currentInfo lineRect]);
|
|
} return retRect;
|
|
}
|
|
|
|
-(void) disableDisplay {displayDisabled=YES;}
|
|
-(void) reenableDisplay {displayDisabled=NO;}
|
|
|
|
-(void) sizeToFit
|
|
{ NSRect sizeToRect=[self frame];
|
|
if([self isHorizontallyResizable])
|
|
{ if([lineLayoutInformation count])
|
|
{ sizeToRect=[self boundingRectForLineRange:NSMakeRange(0,[lineLayoutInformation count])];
|
|
} else sizeToRect.size=minSize;
|
|
} else if([self isVerticallyResizable])
|
|
{ if([lineLayoutInformation count])
|
|
{ NSRect rect=NSUnionRect([[lineLayoutInformation objectAtIndex:0] lineRect],
|
|
[[lineLayoutInformation lastObject] lineRect]);
|
|
float newHeight=rect.size.height;
|
|
|
|
if([[lineLayoutInformation lastObject] type] == LineLayoutInfoType_Paragraph && NSMaxY(rect)<= newHeight)
|
|
newHeight+=[[lineLayoutInformation lastObject] lineRect].size.height;
|
|
|
|
newHeight=MIN(maxSize.height,MAX(newHeight,minSize.height));
|
|
sizeToRect=NSMakeRect(sizeToRect.origin.x,sizeToRect.origin.y-(newHeight-sizeToRect.size.height),
|
|
sizeToRect.size.width,newHeight);
|
|
} else sizeToRect=NSMakeRect(0,0,minSize.width,minSize.height);
|
|
}
|
|
if(!NSEqualSizes([self frame].size,sizeToRect.size))
|
|
{ [self setFrame:sizeToRect]; //[self setFrameSize:sizeToRect.size];
|
|
}
|
|
}
|
|
-(void) sizeToFit:sender {[self sizeToFit];}
|
|
|
|
//
|
|
// Responding to Editing Commands
|
|
//
|
|
-(void) alignCenter:sender
|
|
{
|
|
}
|
|
|
|
-(void) alignLeft:sender
|
|
{
|
|
}
|
|
|
|
-(void) alignRight:sender
|
|
{
|
|
}
|
|
|
|
-(void) selectAll:sender
|
|
{ [self setSelectedRange:NSMakeRange(0,[self textLength])];
|
|
}
|
|
|
|
-(void) subscript:sender
|
|
{
|
|
}
|
|
|
|
-(void) superscript:sender
|
|
{
|
|
}
|
|
|
|
-(void) underline:sender
|
|
{ if([self isRichText])
|
|
{ BOOL doUnderline=YES;
|
|
if([[rtfContent attribute:NSUnderlineStyleAttributeName atIndex:[self selectedRange].location effectiveRange:NULL] intValue]) doUnderline=NO;
|
|
|
|
if([self selectedRange].length)
|
|
{ [rtfContent addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt:doUnderline] range:[self selectedRange]];
|
|
//[self rebuildLineLayoutInformationStartingAtLine:lineIndex];
|
|
//[self displayRect:NSUnionRect([[lineLayoutInformation objectAtIndex:lineIndex] lineRect],[[lineLayoutInformation lastObject] lineRect])];
|
|
} else [[self typingAttributes] setObject:[NSNumber numberWithInt:doUnderline] forKey: NSUnderlineStyleAttributeName];
|
|
}
|
|
}
|
|
|
|
-(void) unscript:sender
|
|
{ if([self isRichText])
|
|
{ if([self selectedRange].length)
|
|
{ [rtfContent removeAttribute:NSUnderlineStyleAttributeName range:[self selectedRange]];
|
|
//[self rebuildLineLayoutInformationStartingAtLine:lineIndex];
|
|
//[self displayRect:NSUnionRect([[lineLayoutInformation objectAtIndex:lineIndex] lineRect],[[lineLayoutInformation lastObject] lineRect])];
|
|
} else [[self typingAttributes] removeObjectForKey:NSUnderlineStyleAttributeName];
|
|
}
|
|
}
|
|
|
|
//
|
|
// Managing the Ruler
|
|
//
|
|
-(BOOL) isRulerVisible { return NO; }
|
|
|
|
-(void) toggleRuler:sender
|
|
{
|
|
}
|
|
|
|
|
|
//
|
|
// Scrolling
|
|
//
|
|
|
|
-(void) scrollRangeToVisible:(NSRange)range
|
|
{ [self scrollRectToVisible:NSUnionRect([self rectForCharacterIndex:[self selectedRange].location],
|
|
[self rectForCharacterIndex:NSMaxRange([self selectedRange])])];
|
|
}
|
|
|
|
//
|
|
// Reading and Writing RTFD Files
|
|
//
|
|
-(BOOL) readRTFDFromFile:(NSString *)path
|
|
{ NSData *data=[NSData dataWithContentsOfFile:path];
|
|
id peek;
|
|
if(data && (peek=[[self class] attributedStringForData:data]))
|
|
{ is_rich_text=YES; // not [self setRichText:YES] for efficiancy reasons
|
|
[self updateDragTypeRegistration];
|
|
[self replaceRange:NSMakeRange(0,[self textLength]) withAttributedString:peek];
|
|
[self rebuildLineLayoutInformationStartingAtLine:0];
|
|
[self setNeedsDisplay: YES];
|
|
return YES;
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
-(BOOL) writeRTFDToFile:(NSString *)path atomically:(BOOL)flag
|
|
{ if([self isRichText])
|
|
{ NSFileWrapper *wrapper=[[[NSFileWrapper alloc] initRegularFileWithContents:[[self class] dataForAttributedString:rtfContent]] autorelease];
|
|
return [wrapper writeToFile:path atomically:flag updateFilenames:YES];
|
|
} return NO;
|
|
}
|
|
|
|
//
|
|
// Managing the Field Editor
|
|
//
|
|
-(BOOL) isFieldEditor { return is_field_editor; }
|
|
|
|
-(void) setFieldEditor:(BOOL)flag
|
|
{ is_field_editor = flag;
|
|
}
|
|
|
|
-(int) lineLayoutIndexForCharacterIndex:(unsigned) anIndex
|
|
{ NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
|
|
if([lineLayoutInformation count] && anIndex>= NSMaxRange([[lineLayoutInformation lastObject] lineRange]))
|
|
return [lineLayoutInformation count]-1;
|
|
|
|
for(lineEnum=[lineLayoutInformation objectEnumerator]; (currentInfo=[lineEnum nextObject]);)
|
|
{ NSRange lineRange=[currentInfo lineRange];
|
|
if(lineRange.location<= anIndex && anIndex<= NSMaxRange(lineRange)-([currentInfo type] == LineLayoutInfoType_Paragraph? 1:0))
|
|
return [lineLayoutInformation indexOfObject:currentInfo];
|
|
}
|
|
if([lineLayoutInformation count]) NSLog(@"NSText's lineLayoutIndexForCharacterIndex: index out of bounds!");
|
|
return 0;
|
|
}
|
|
|
|
//<!> choose granularity according to keyboard modifier flags
|
|
|
|
-(void) moveCursorUp:sender
|
|
{ unsigned cursorIndex;
|
|
NSPoint cursorPoint;
|
|
|
|
if([self selectedRange].length) currentCursorX=[self rectForCharacterIndex:[self selectedRange].location].origin.x;
|
|
cursorIndex=[self selectedRange].location;
|
|
cursorPoint=[self rectForCharacterIndex:cursorIndex].origin;
|
|
cursorIndex=[self characterIndexForPoint:NSMakePoint(currentCursorX+0.001,MAX(0,cursorPoint.y-0.001))];
|
|
[self setSelectedRange:[self selectionRangeForProposedRange:NSMakeRange(cursorIndex,0) granularity:NSSelectByCharacter]];
|
|
}
|
|
-(void) moveCursorDown:sender
|
|
{ unsigned cursorIndex;
|
|
NSRect cursorRect;
|
|
|
|
if([self selectedRange].length) currentCursorX=[self rectForCharacterIndex:NSMaxRange([self selectedRange])].origin.x;
|
|
cursorIndex=[self selectedRange].location;
|
|
cursorRect=[self rectForCharacterIndex:cursorIndex];
|
|
cursorIndex=[self characterIndexForPoint:NSMakePoint(currentCursorX+0.001,NSMaxY(cursorRect)+0.001)];
|
|
[self setSelectedRange:[self selectionRangeForProposedRange:NSMakeRange(cursorIndex,0) granularity:NSSelectByCharacter]];
|
|
}
|
|
-(void) moveCursorLeft:sender
|
|
{ [self setSelectedRange:[self selectionRangeForProposedRange:NSMakeRange([self selectedRange].location-1,0) granularity:NSSelectByCharacter]];
|
|
currentCursorX=[self rectForCharacterIndex:[self selectedRange].location].origin.x;
|
|
}
|
|
-(void) moveCursorRight:sender
|
|
{ [self setSelectedRange:[self selectionRangeForProposedRange:NSMakeRange(MIN(NSMaxRange([self selectedRange])+1,[self textLength]),0)
|
|
granularity:NSSelectByCharacter]];
|
|
currentCursorX=[self rectForCharacterIndex:[self selectedRange].location].origin.x;
|
|
}
|
|
|
|
//
|
|
// Handling Events
|
|
//
|
|
-(void) mouseDown:(NSEvent *)theEvent
|
|
{ NSSelectionGranularity granularity= NSSelectByCharacter;
|
|
NSRange chosenRange,prevChosenRange,proposedRange;
|
|
NSPoint point,startPoint;
|
|
NSEvent *currentEvent;
|
|
unsigned startIndex;
|
|
BOOL didDragging=NO;
|
|
|
|
if (!is_selectable) return; // If not selectable then don't recognize the mouse down
|
|
|
|
[[self window] makeFirstResponder:self];
|
|
|
|
switch([theEvent clickCount])
|
|
{ case 1: granularity=NSSelectByCharacter;
|
|
break;
|
|
case 2: granularity=NSSelectByWord;
|
|
break;
|
|
case 3: granularity=NSSelectByParagraph;
|
|
break;
|
|
}
|
|
|
|
startPoint=[self convertPoint:[theEvent locationInWindow] fromView:nil];
|
|
startIndex=[self characterIndexForPoint:startPoint];
|
|
|
|
proposedRange=NSMakeRange(startIndex,0);
|
|
chosenRange=prevChosenRange=[self selectionRangeForProposedRange:proposedRange granularity:granularity];
|
|
|
|
[self lockFocus];
|
|
|
|
// clean up before doing the dragging
|
|
if([self selectedRange].length== 0) // remove old cursor
|
|
{ [self drawInsertionPointAtIndex:[self selectedRange].location color:nil turnedOn:NO];
|
|
} else [self drawSelectionAsRangeNoCaret:[self selectedRange]];
|
|
|
|
//<!> make this non-blocking (or make use of timed entries)
|
|
for(currentEvent= [[self window] nextEventMatchingMask:NSLeftMouseDraggedMask|NSLeftMouseUpMask|NSMouseMovedMask]; [currentEvent type] != NSLeftMouseUp;
|
|
(currentEvent= [[self window] nextEventMatchingMask:NSLeftMouseDraggedMask|NSLeftMouseUpMask|NSMouseMovedMask]), prevChosenRange=chosenRange) // run modal loop
|
|
{ BOOL didScroll=[self autoscroll:currentEvent];
|
|
point = [self convertPoint:[currentEvent locationInWindow] fromView:nil];
|
|
proposedRange=MakeRangeFromAbs([self characterIndexForPoint:point],startIndex);
|
|
chosenRange=[self selectionRangeForProposedRange:proposedRange granularity:granularity];
|
|
|
|
if(NSEqualRanges(prevChosenRange,chosenRange))
|
|
{ if(!didDragging)
|
|
{ [self drawSelectionAsRangeNoCaret:chosenRange];
|
|
[[self window] flushWindow];
|
|
}
|
|
else continue;
|
|
}
|
|
|
|
// this changes the selection without needing instance drawing (carefully thought out ;-)
|
|
if(!didScroll)
|
|
{ [self drawSelectionAsRangeNoCaret:MakeRangeFromAbs(MIN(chosenRange.location, prevChosenRange.location),
|
|
MAX(chosenRange.location, prevChosenRange.location))];
|
|
[self drawSelectionAsRangeNoCaret:MakeRangeFromAbs(MIN(NSMaxRange(chosenRange),NSMaxRange(prevChosenRange)),
|
|
MAX(NSMaxRange(chosenRange),NSMaxRange(prevChosenRange)))];
|
|
[[self window] flushWindow];
|
|
} else
|
|
{ [self drawRectNoSelection:[self visibleRect]];
|
|
[self drawSelectionAsRangeNoCaret:chosenRange];
|
|
[[self window] flushWindow];
|
|
}
|
|
|
|
didDragging=YES;
|
|
}
|
|
[self setSelectedRangeNoDrawing:chosenRange];
|
|
if(!didDragging) [self drawSelectionAsRange:chosenRange];
|
|
else if(chosenRange.length== 0) [self drawInsertionPointAtIndex:chosenRange.location color:[NSColor blackColor] turnedOn:YES];
|
|
|
|
currentCursorX=[self rectForCharacterIndex:chosenRange.location].origin.x; // remember for column stable cursor up/down
|
|
|
|
[self unlockFocus];
|
|
[[self window] flushWindow];
|
|
}
|
|
|
|
|
|
-(void) redisplayForLineRange: (NSRange)redrawLineRange
|
|
{
|
|
BOOL didLock = NO;
|
|
|
|
if ([self window] == nil)
|
|
return;
|
|
|
|
if ([[self class] focusView] != self)
|
|
{
|
|
[self lockFocus];
|
|
didLock = YES;
|
|
}
|
|
|
|
if([lineLayoutInformation count] && redrawLineRange.location < [lineLayoutInformation count] && redrawLineRange.length)
|
|
{ _GNULineLayoutInfo *firstInfo=[lineLayoutInformation objectAtIndex:redrawLineRange.location];
|
|
NSRect displayRect,firstRect=[firstInfo lineRect];
|
|
if([firstInfo type] == LineLayoutInfoType_Paragraph && firstRect.origin.x >0 && redrawLineRange.location)
|
|
{ redrawLineRange.location--;redrawLineRange.length++;
|
|
}
|
|
displayRect=NSUnionRect([[lineLayoutInformation objectAtIndex:redrawLineRange.location] lineRect],
|
|
[[lineLayoutInformation objectAtIndex:MAX(0,(int)NSMaxRange(redrawLineRange)-1)] lineRect]);
|
|
|
|
displayRect.size.width=[self frame].size.width-displayRect.origin.x;
|
|
[[self backgroundColor] set]; NSRectFill(displayRect);
|
|
|
|
if([self isRichText])
|
|
{ [self drawRichLinesInLineRange:redrawLineRange];
|
|
} else
|
|
{ [self drawPlainLinesInLineRange:redrawLineRange];
|
|
}
|
|
[self drawSelectionAsRange:[self selectedRange]];
|
|
}
|
|
|
|
if([self drawsBackground]) // clean up the remaining area under text of us
|
|
{ float lowestY=0;
|
|
NSRect frame=[self frame];
|
|
|
|
if([lineLayoutInformation count]) lowestY=NSMaxY([[lineLayoutInformation lastObject] lineRect]);
|
|
|
|
if(![lineLayoutInformation count] || (lowestY < NSMaxY(frame) && frame.size.height<= [self minSize].height))
|
|
{ [[self backgroundColor] set];
|
|
NSRectFill(NSMakeRect(0,lowestY,frame.size.width,NSMaxY(frame)-lowestY));
|
|
if(![lineLayoutInformation count] || [[lineLayoutInformation lastObject] type] == LineLayoutInfoType_Paragraph)
|
|
[self drawSelectionAsRange:[self selectedRange]];
|
|
}
|
|
} if(didLock)
|
|
{ [self unlockFocus];
|
|
[[self window] flushWindow];
|
|
}
|
|
}
|
|
|
|
// central text inserting method (takes care of optimized redraw/ cursor positioning)
|
|
|
|
-(void) insertText:insertObjc
|
|
{ NSRange selectedRange=[self selectedRange];
|
|
int lineIndex=[self lineLayoutIndexForCharacterIndex:selectedRange.location],origLineIndex=lineIndex,caretLineIndex=lineIndex;
|
|
NSRange redrawLineRange;
|
|
BOOL layoutIncomplete=YES;
|
|
NSString *insertString=nil;
|
|
|
|
if([insertObjc isKindOfClass:[NSString class]]) insertString=insertObjc;
|
|
else insertString=[insertObjc string];
|
|
|
|
|
|
#if 1
|
|
// speed optimization: newline insert: try patching change into layoutArray without actually relayouting the whole document
|
|
// this is a "tour de force" but performance really counts here!
|
|
|
|
if([insertString isEqualToString:[[self class] newlineString]] && lineIndex< [lineLayoutInformation count]-1 && !selectedRange.length)
|
|
{ BOOL isLeftToPar=[[lineLayoutInformation objectAtIndex:lineIndex+1] type] == LineLayoutInfoType_Paragraph &&
|
|
[[lineLayoutInformation objectAtIndex:lineIndex+1] lineRange].location == selectedRange.location,
|
|
isRightToPar=(lineIndex && [[lineLayoutInformation objectAtIndex:lineIndex-1] type] == LineLayoutInfoType_Paragraph) &&
|
|
([[lineLayoutInformation objectAtIndex:lineIndex] type] == LineLayoutInfoType_Paragraph),
|
|
isLeftToLine=(selectedRange.location== [[lineLayoutInformation objectAtIndex:lineIndex] lineRange].location &&
|
|
(lineIndex>1 && [[lineLayoutInformation objectAtIndex:lineIndex-1] type] == LineLayoutInfoType_Paragraph &&
|
|
[[lineLayoutInformation objectAtIndex:lineIndex-2] type] == LineLayoutInfoType_Paragraph));
|
|
|
|
if(isRightToPar || isLeftToPar || isLeftToLine)
|
|
{ int insertIndex=lineIndex;
|
|
_GNULineLayoutInfo *templateInfo=nil,*newInfo;
|
|
|
|
if(!isRightToPar && isLeftToPar)
|
|
{ templateInfo=[lineLayoutInformation objectAtIndex:lineIndex+1];
|
|
insertIndex++; lineIndex+=2;
|
|
} else if(isRightToPar)
|
|
{ templateInfo=[lineLayoutInformation objectAtIndex:lineIndex];
|
|
lineIndex++;
|
|
} else if(isLeftToLine)
|
|
{ templateInfo=[lineLayoutInformation objectAtIndex:lineIndex-1];
|
|
insertIndex--;
|
|
}
|
|
|
|
[lineLayoutInformation insertObject:newInfo=[_GNULineLayoutInfo lineLayoutWithRange:
|
|
[templateInfo lineRange] rect:[templateInfo lineRect] drawingOffset:[templateInfo drawingOffset]
|
|
type:[templateInfo type]] atIndex:insertIndex];
|
|
|
|
// remodel copied paragraph object to be a normal one (not line-terminating)
|
|
if(!isRightToPar && isLeftToPar)
|
|
{ _GNULineLayoutInfo *changeInfo=[lineLayoutInformation objectAtIndex:lineIndex];
|
|
NSRect rect=[changeInfo lineRect];
|
|
[changeInfo setLineRect:NSMakeRect(0,rect.origin.y,[self frame].size.width,rect.size.height)];
|
|
}
|
|
// relocate (ylocation and linerange) the lines below
|
|
{ NSArray *relocArray=[lineLayoutInformation subarrayWithRange:NSMakeRange(lineIndex,[lineLayoutInformation count]-lineIndex)];
|
|
NSEnumerator *relocEnum;
|
|
_GNULineLayoutInfo *currReloc;
|
|
int relocOffset=[insertString length];
|
|
NSSize advanceSize=[insertString sizeWithAttributes:[self isRichText]? (NSDictionary*)[self typingAttributes]: [self defaultTypingAttributes]];
|
|
|
|
for(relocEnum=[relocArray objectEnumerator]; (currReloc=[relocEnum nextObject]);)
|
|
{ NSRange range=[currReloc lineRange];
|
|
NSRect rect=[currReloc lineRect];
|
|
[currReloc setLineRange:NSMakeRange(range.location+relocOffset,range.length)];
|
|
[currReloc setLineRect:NSMakeRect(rect.origin.x,rect.origin.y+advanceSize.height,rect.size.width,rect.size.height)];
|
|
}
|
|
} layoutIncomplete=NO;
|
|
}
|
|
}
|
|
// end: speed optimization ------------------------------------------------------------
|
|
#endif
|
|
|
|
// in case e.g a space is inserted and a word actually shortened: redraw previous line to give it the chance to move up
|
|
if([lineLayoutInformation count] && [[lineLayoutInformation objectAtIndex:origLineIndex] type] != LineLayoutInfoType_Paragraph &&
|
|
origLineIndex && [[lineLayoutInformation objectAtIndex:origLineIndex-1] type] != LineLayoutInfoType_Paragraph)
|
|
origLineIndex--;
|
|
|
|
redrawLineRange=MakeRangeFromAbs(origLineIndex,[lineLayoutInformation count]);
|
|
|
|
if([self isRichText])
|
|
{ NSDictionary *attributes=[rtfContent attributesAtIndex:[self selectedRange].location effectiveRange:NULL];
|
|
[self replaceRange:[self selectedRange]
|
|
withAttributedString:[insertObjc isKindOfClass:[NSAttributedString class]]? insertObjc:
|
|
[[[NSAttributedString alloc] initWithString:insertString attributes:[self typingAttributes]] autorelease]];
|
|
if(layoutIncomplete)
|
|
redrawLineRange.length=[self rebuildRichLineLayoutInformationStartingAtLine:redrawLineRange.location
|
|
delta:[insertString length]-selectedRange.length
|
|
actualLine:caretLineIndex];
|
|
[self setTypingAttributes:attributes];
|
|
} else
|
|
{ [self replaceRange:[self selectedRange] withString:insertString];
|
|
if(layoutIncomplete)
|
|
redrawLineRange.length=[self rebuildPlainLineLayoutInformationStartingAtLine:redrawLineRange.location
|
|
delta:[insertString length]-selectedRange.length
|
|
actualLine:caretLineIndex];
|
|
}
|
|
|
|
[self sizeToFit]; // ScrollView interaction
|
|
|
|
[self setSelectedRange:NSMakeRange([self selectedRange].location+[insertString length],0)]; // move cursor <!> [self selectionRangeForProposedRange:]
|
|
currentCursorX=[self rectForCharacterIndex:[self selectedRange].location].origin.x; // remember x for row-stable cursor movements
|
|
|
|
redrawLineRange=NSIntersectionRange(redrawLineRange,[self lineRangeForRect:[self visibleRect]]);
|
|
[self redisplayForLineRange:redrawLineRange];
|
|
[self textDidChange:nil]; // broadcast notification
|
|
}
|
|
|
|
// central text deletion/backspace method (takes care of optimized redraw/ cursor positioning)
|
|
-(void) deleteRange:(NSRange) aRange backspace:(BOOL) flag
|
|
{ int redrawLineIndex,caretLineIndex,firstLineIndex,lastLineIndex,linePosition;
|
|
NSRange redrawLineRange;
|
|
NSRange deleteRange;
|
|
BOOL layoutIncomplete=YES;
|
|
|
|
if(!aRange.length && !flag) return;
|
|
if(!aRange.location && ! aRange.length) return;
|
|
|
|
if(aRange.length) { deleteRange=aRange;linePosition=deleteRange.location;}
|
|
else { deleteRange=NSMakeRange(MAX(0,aRange.location-1),1);linePosition=NSMaxRange(deleteRange); }
|
|
|
|
firstLineIndex=caretLineIndex=[self lineLayoutIndexForCharacterIndex:linePosition];
|
|
lastLineIndex=[self lineLayoutIndexForCharacterIndex:NSMaxRange(deleteRange)];
|
|
redrawLineIndex=MAX(0,firstLineIndex-1); // since first word may move upward
|
|
|
|
if(firstLineIndex && [[lineLayoutInformation objectAtIndex:firstLineIndex-1] type] == LineLayoutInfoType_Paragraph)
|
|
{ _GNULineLayoutInfo *upperInfo=[lineLayoutInformation objectAtIndex:firstLineIndex],
|
|
*prevInfo=[lineLayoutInformation objectAtIndex:firstLineIndex-1];
|
|
|
|
if(linePosition> [upperInfo lineRange].location) redrawLineIndex++; // no danger of word moving up
|
|
else if([prevInfo lineRect].origin.x > 0) redrawLineIndex--; // remove newline: skip paragraph-terminating infoObject
|
|
redrawLineIndex=MAX(0,redrawLineIndex);
|
|
}
|
|
|
|
redrawLineIndex=MIN(redrawLineIndex,[lineLayoutInformation count]-1);
|
|
redrawLineRange=MakeRangeFromAbs(redrawLineIndex,[lineLayoutInformation count]);
|
|
|
|
if([self isRichText])
|
|
{ NSDictionary *attributes=[rtfContent attributesAtIndex:deleteRange.location effectiveRange:NULL];
|
|
[rtfContent deleteCharactersInRange:deleteRange];
|
|
if(layoutIncomplete)
|
|
redrawLineRange.length=[self rebuildRichLineLayoutInformationStartingAtLine:redrawLineRange.location
|
|
delta:-deleteRange.length
|
|
actualLine:caretLineIndex];
|
|
[self setTypingAttributes:attributes];
|
|
} else
|
|
{ [plainContent deleteCharactersInRange:deleteRange];
|
|
if(layoutIncomplete)
|
|
redrawLineRange.length=[self rebuildPlainLineLayoutInformationStartingAtLine:redrawLineRange.location
|
|
delta:-deleteRange.length
|
|
actualLine:caretLineIndex];
|
|
}
|
|
|
|
[self sizeToFit]; // ScrollView interaction
|
|
|
|
[self setSelectedRange:NSMakeRange(deleteRange.location,0)]; // move cursor <!> [self selectionRangeForProposedRange:]
|
|
currentCursorX=[self rectForCharacterIndex:[self selectedRange].location].origin.x; // remember x for row-stable cursor movements
|
|
redrawLineRange=NSIntersectionRange(redrawLineRange,[self lineRangeForRect:[self visibleRect]]);
|
|
[self redisplayForLineRange:redrawLineRange];
|
|
|
|
[self textDidChange:nil]; // broadcast notification
|
|
}
|
|
|
|
|
|
-(void) keyDown:(NSEvent *)theEvent
|
|
{
|
|
unsigned short keyCode;
|
|
|
|
if(!is_editable)
|
|
return; // If not editable then don't recognize the key down
|
|
|
|
fprintf(stderr, " NSText keyDown \n");
|
|
|
|
if((keyCode=[theEvent keyCode]))
|
|
switch(keyCode)
|
|
{
|
|
case NSUpArrowFunctionKey:
|
|
[self moveCursorUp:self];
|
|
return;
|
|
case NSDownArrowFunctionKey:
|
|
[self moveCursorDown:self];
|
|
return;
|
|
case NSLeftArrowFunctionKey:
|
|
[self moveCursorLeft:self];
|
|
return;
|
|
case NSRightArrowFunctionKey:
|
|
[self moveCursorRight:self];
|
|
return;
|
|
case NSBackspaceKey:
|
|
[self deleteRange:[self selectedRange] backspace:YES];
|
|
return;
|
|
#if 1
|
|
case 0x6d: // ende-taste för debugging: enforce complete re-layout
|
|
|
|
[lineLayoutInformation autorelease]; lineLayoutInformation=nil;
|
|
[self rebuildLineLayoutInformationStartingAtLine:0];
|
|
[self setNeedsDisplay: YES];
|
|
return;
|
|
#endif
|
|
#if 1
|
|
case 0x45: // num-lock: debugging
|
|
NSLog([lineLayoutInformation description]);
|
|
return;
|
|
#endif
|
|
case NSCarriageReturnKey: // return
|
|
if([self isFieldEditor]) //textShouldEndEditing delegation
|
|
{ // is handled in resignFirstResponder
|
|
#if 0
|
|
// Movement codes for movement between fields; these codes are the intValue of the NSTextMovement key in NSTextDidEndEditing notifications
|
|
[NSNumber numberWithInt:NSIllegalTextMovement]
|
|
[NSNumber numberWithInt:NSReturnTextMovement]
|
|
[NSNumber numberWithInt:NSTabTextMovement]
|
|
[NSNumber numberWithInt:NSBacktabTextMovement]
|
|
[NSNumber numberWithInt:NSLeftTextMovement]
|
|
[NSNumber numberWithInt:NSRightTextMovement]
|
|
[NSNumber numberWithInt:NSUpTextMovement]
|
|
[NSNumber numberWithInt:NSDownTextMovement]
|
|
#endif
|
|
|
|
[[self window] makeFirstResponder:[self nextResponder]];
|
|
[self textDidEndEditing:nil]; //[NSNumber numberWithInt:NSReturnTextMovement]
|
|
}
|
|
else
|
|
{
|
|
[self insertText:[[self class] newlineString]];
|
|
fprintf(stderr, " NSText keyDown return \n");
|
|
[lineLayoutInformation autorelease]; lineLayoutInformation=nil;
|
|
[self rebuildLineLayoutInformationStartingAtLine:0];
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
#if 0
|
|
NSLog(@"keycode:%x",keyCode);
|
|
#endif
|
|
{
|
|
fprintf(stderr, " NSText keyDown insertText \n");
|
|
// else
|
|
[self insertText:[theEvent characters]];
|
|
}
|
|
}
|
|
|
|
-(void) keyDownO:(NSEvent *)theEvent
|
|
{ unsigned short keyCode;
|
|
if(!is_editable) return; // If not editable then don't recognize the key down
|
|
|
|
fprintf(stderr, " NSText keyDown \n");
|
|
if((keyCode=[theEvent keyCode])) switch(keyCode)
|
|
{ case 0x64: //NSUpArrowFunctionKey:
|
|
[self moveCursorUp:self];
|
|
return;
|
|
case 0x65: //NSDownArrowFunctionKey:
|
|
[self moveCursorDown:self];
|
|
return;
|
|
case 0x66: //NSLeftArrowFunctionKey:
|
|
[self moveCursorLeft:self];
|
|
return;
|
|
case 0x67: //NSRightArrowFunctionKey:
|
|
[self moveCursorRight:self];
|
|
return;
|
|
case 0x0e: // backspace
|
|
[self deleteRange:[self selectedRange] backspace:YES];
|
|
return;
|
|
#if 1
|
|
case 0x6d: // ende-taste för debugging: enforce complete re-layout
|
|
|
|
[lineLayoutInformation autorelease]; lineLayoutInformation=nil;
|
|
[self rebuildLineLayoutInformationStartingAtLine:0];
|
|
[self setNeedsDisplay: YES];
|
|
return;
|
|
#endif
|
|
#if 1
|
|
case 0x45: // num-lock: debugging
|
|
NSLog([lineLayoutInformation description]);
|
|
return;
|
|
#endif
|
|
case 0x1c: // return
|
|
if([self isFieldEditor]) //textShouldEndEditing delegation is handled in resignFirstResponder
|
|
{
|
|
#if 0
|
|
// Movement codes for movement between fields; these codes are the intValue of the NSTextMovement key in NSTextDidEndEditing notifications
|
|
[NSNumber numberWithInt:NSIllegalTextMovement]
|
|
[NSNumber numberWithInt:NSReturnTextMovement]
|
|
[NSNumber numberWithInt:NSTabTextMovement]
|
|
[NSNumber numberWithInt:NSBacktabTextMovement]
|
|
[NSNumber numberWithInt:NSLeftTextMovement]
|
|
[NSNumber numberWithInt:NSRightTextMovement]
|
|
[NSNumber numberWithInt:NSUpTextMovement]
|
|
[NSNumber numberWithInt:NSDownTextMovement]
|
|
#endif
|
|
|
|
[[self window] makeFirstResponder:[self nextResponder]];
|
|
[self textDidEndEditing:nil]; //[NSNumber numberWithInt:NSReturnTextMovement]
|
|
} else
|
|
{ [self insertText:[[self class] newlineString]];
|
|
fprintf(stderr, " NSText keyDown return \n");
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
#if 0
|
|
NSLog(@"keycode:%x",keyCode);
|
|
#endif
|
|
{
|
|
// else
|
|
[self insertText:[theEvent characters]];
|
|
}
|
|
}
|
|
|
|
-(BOOL) acceptsFirstResponder
|
|
{ if ([self isSelectable]) return YES;
|
|
else return NO;
|
|
}
|
|
|
|
- (BOOL) resignFirstResponder
|
|
{
|
|
if ([self shouldDrawInsertionPoint])
|
|
{
|
|
[self lockFocus];
|
|
[self drawInsertionPointAtIndex: [self selectedRange].location
|
|
color: nil
|
|
turnedOn: NO];
|
|
[self unlockFocus];
|
|
//<!> stop timed entry
|
|
}
|
|
if ([self isEditable])
|
|
return [self textShouldEndEditing: self];
|
|
else
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL) becomeFirstResponder
|
|
{
|
|
if ([self shouldDrawInsertionPoint])
|
|
{
|
|
[self lockFocus];
|
|
[self drawInsertionPointAtIndex: [self selectedRange].location
|
|
color: [NSColor blackColor]
|
|
turnedOn: YES];
|
|
[self unlockFocus];
|
|
//<!> restart timed entry
|
|
}
|
|
if ([self isEditable] && [self textShouldBeginEditing: self])
|
|
return YES;
|
|
else
|
|
return NO;
|
|
}
|
|
|
|
//
|
|
// Managing the Delegate
|
|
//
|
|
- (id) delegate
|
|
{
|
|
return delegate;
|
|
}
|
|
|
|
-(void) setDelegate: (id)anObject
|
|
{
|
|
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
|
|
|
|
if (delegate)
|
|
[nc removeObserver: delegate name: nil object: self];
|
|
delegate = anObject;
|
|
|
|
#define SET_DELEGATE_NOTIFICATION(notif_name) \
|
|
if ([delegate respondsToSelector: @selector(text##notif_name:)]) \
|
|
[nc addObserver: delegate \
|
|
selector: @selector(text##notif_name:) \
|
|
name: NSText##notif_name##Notification \
|
|
object: self]
|
|
|
|
SET_DELEGATE_NOTIFICATION(DidBeginEditing);
|
|
SET_DELEGATE_NOTIFICATION(DidChange);
|
|
SET_DELEGATE_NOTIFICATION(DidEndEditing);
|
|
}
|
|
|
|
//
|
|
// Implemented by the Delegate
|
|
//
|
|
|
|
-(void) textDidBeginEditing: (NSNotification*)aNotification
|
|
{
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidBeginEditingNotification object: self];
|
|
}
|
|
|
|
- (void) textDidChange: (NSNotification*)aNotification
|
|
{
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidChangeNotification object: self];
|
|
}
|
|
|
|
-(void) textDidEndEditing: (NSNotification*)aNotification
|
|
{
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidEndEditingNotification object: self];
|
|
}
|
|
|
|
-(BOOL) textShouldBeginEditing:(NSText *)textObject
|
|
{ if ([delegate respondsToSelector:@selector(textShouldBeginEditing:)])
|
|
return [delegate textShouldBeginEditing:(NSText*)self];
|
|
else return YES;
|
|
}
|
|
|
|
-(BOOL) textShouldEndEditing:(NSText *)textObject
|
|
{ if ([delegate respondsToSelector:@selector(textShouldEndEditing:)])
|
|
return [delegate textShouldEndEditing:(NSText*)self];
|
|
else
|
|
return YES;
|
|
}
|
|
|
|
|
|
//
|
|
// Displaying
|
|
//
|
|
|
|
//<!>(currently unused; use code from drawRect:)
|
|
-(NSRange) characterRangeForBoundingRect:(NSRect)bounds
|
|
{ if([self isRichText]) return NSMakeRange(0,[plainContent length]);
|
|
else return NSMakeRange(0,[rtfContent length]);
|
|
}
|
|
|
|
|
|
-(unsigned) characterIndexForPoint:(NSPoint)point
|
|
{ int i;
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
NSDictionary *attributes=[self defaultTypingAttributes];
|
|
|
|
if(point.y >= NSMaxY([[lineLayoutInformation lastObject] lineRect])) return [self textLength];
|
|
|
|
point.x=MAX(0,point.x); point.y=MAX(0,point.y);
|
|
|
|
for(i=0,lineEnum=[lineLayoutInformation objectEnumerator]; (currentInfo=[lineEnum nextObject]);i++)
|
|
{ NSRect rect=[currentInfo lineRect];
|
|
if(NSMaxY(rect)>=point.y && rect.origin.y<point.y && rect.origin.x< point.x && point.x >= NSMaxX(rect) ) return NSMaxRange([currentInfo lineRange]);
|
|
if(NSPointInRect(point,rect)) // this loop holds some optimization potential (linear search)
|
|
{ int retPos=0;
|
|
NSRange range=[currentInfo lineRange];
|
|
|
|
for(retPos=range.location; retPos<=NSMaxRange(range); retPos++) // this loop holds some optimization potential (linear search)
|
|
{ NSString *evalString=nil;
|
|
|
|
if([self isRichText]) // has to be done character wise
|
|
{ if([rtfContent sizeRange:NSMakeRange(range.location,retPos-range.location)].width >= point.x) return MAX(0,retPos-1);
|
|
} else
|
|
{ evalString=[plainContent substringWithRange:NSMakeRange(range.location,retPos-range.location)];
|
|
if([evalString sizeWithAttributes:attributes].width >= point.x) return MAX(0,retPos-1);
|
|
}
|
|
} return range.location;
|
|
}
|
|
} NSLog(@"NSText's characterIndexForPoint: index not found!");
|
|
return 0;
|
|
}
|
|
|
|
// rect to the end of line
|
|
-(NSRect) rectForCharacterIndex:(unsigned) index
|
|
{ int i;
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
NSDictionary *attributes=[self defaultTypingAttributes];
|
|
|
|
if(![lineLayoutInformation count]) return NSMakeRect(0,0,[self frame].size.width,[[[self class] newlineString] sizeWithAttributes:attributes].height);
|
|
|
|
if(index >= NSMaxRange([[lineLayoutInformation lastObject] lineRange]))
|
|
{ NSRect rect=[[lineLayoutInformation lastObject] lineRect];
|
|
if(NSMaxX(rect)>= [self frame].size.width)
|
|
{ return NSMakeRect(0, NSMaxY(rect),[self frame].size.width,rect.size.height);
|
|
}
|
|
return NSMakeRect(NSMaxX(rect), rect.origin.y,[self frame].size.width-NSMaxX(rect),rect.size.height);
|
|
}
|
|
|
|
for(i=0,lineEnum=[lineLayoutInformation objectEnumerator]; (currentInfo=[lineEnum nextObject]);i++)
|
|
{ NSRange range=[currentInfo lineRange];
|
|
if(NSLocationInRange(index,range))
|
|
{ NSRect rect=[currentInfo lineRect];
|
|
if([self isRichText]) // has to be done character wise
|
|
{ NSSize stringSize=[rtfContent sizeRange:MakeRangeFromAbs(range.location,index)];
|
|
float x=rect.origin.x+stringSize.width;
|
|
return NSMakeRect(x,rect.origin.y,NSMaxX(rect)-x,rect.size.height);
|
|
} else
|
|
{ NSString *evalString=[plainContent substringWithRange:MakeRangeFromAbs(range.location,index)];
|
|
NSSize stringSize=[evalString sizeWithAttributes:attributes];
|
|
float x=rect.origin.x+stringSize.width;
|
|
return NSMakeRect(x,rect.origin.y,NSMaxX(rect)-x,rect.size.height);
|
|
}
|
|
}
|
|
} NSLog(@"NSText's rectForCharacterIndex: rect not found!");
|
|
return NSZeroRect;
|
|
}
|
|
|
|
-(unsigned) lineLayoutIndexForPoint:(NSPoint)point
|
|
{ int i;
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
NSDictionary *attributes=[self defaultTypingAttributes];
|
|
|
|
if(point.y >= NSMaxY([[lineLayoutInformation lastObject] lineRect])) return [lineLayoutInformation count]-1;
|
|
|
|
point.x=MAX(0,point.x); point.y=MAX(0,point.y);
|
|
|
|
for(i=0,lineEnum=[lineLayoutInformation objectEnumerator]; (currentInfo=[lineEnum nextObject]);i++)
|
|
{ NSRect rect=[currentInfo lineRect];
|
|
if(NSMaxY(rect)> point.y && rect.origin.y<= point.y && rect.origin.x< point.x && point.x >= NSMaxX(rect) )
|
|
return [lineLayoutInformation indexOfObject:currentInfo];
|
|
if(NSPointInRect(point,rect)) // this loop holds some optimization potential (linear search)
|
|
{ int retPos=0;
|
|
NSRange range=[currentInfo lineRange];
|
|
|
|
for(retPos=range.location; retPos<=NSMaxRange(range); retPos++) // this loop holds some optimization potential (linear search)
|
|
{ NSString *evalString=nil;
|
|
|
|
if([self isRichText]) // has to be done character wise
|
|
{ if([rtfContent sizeRange:NSMakeRange(range.location,retPos-range.location)].width >= point.x)
|
|
return [lineLayoutInformation indexOfObject:currentInfo];
|
|
} else
|
|
{ evalString=[plainContent substringWithRange:NSMakeRange(range.location,retPos-range.location)];
|
|
if([evalString sizeWithAttributes:attributes].width >= point.x) return [lineLayoutInformation indexOfObject:currentInfo];
|
|
}
|
|
} return [lineLayoutInformation indexOfObject:currentInfo];
|
|
}
|
|
} return 0;
|
|
}
|
|
|
|
// internal method (not rich-text save: give it a range instead of a count)
|
|
-(void) addNewlines:(int) count intoLayoutArray:(NSMutableArray*) anArray attributes:(NSDictionary*) attributes atPoint:(NSPoint*) aPointP
|
|
width:(float) width characterIndex:(unsigned) startingLineIndex ghostEnumerator:(NSEnumerator*) prevArrayEnum
|
|
{ NSSize advanceSize=[[[self class] newlineString] sizeWithAttributes:attributes];
|
|
|
|
while(--count>=0)
|
|
{ NSRect currentLineRect=NSMakeRect(aPointP->x,aPointP->y,width-aPointP->x,advanceSize.height);
|
|
[anArray addObject:[_GNULineLayoutInfo lineLayoutWithRange:
|
|
NSMakeRange(startingLineIndex,1) rect:currentLineRect drawingOffset:0 type:LineLayoutInfoType_Paragraph]];
|
|
//[[anArray lastObject] setDontDisplay:YES];
|
|
startingLineIndex++; aPointP->x=0; aPointP->y+= advanceSize.height;
|
|
|
|
if(prevArrayEnum && ![prevArrayEnum nextObject]) prevArrayEnum=nil;
|
|
}
|
|
}
|
|
|
|
|
|
// begin: central line formatting method ---------------------------------------
|
|
|
|
// <!>
|
|
-(int) rebuildRichLineLayoutInformationStartingAtLine:(int) aLine delta:(int) insertionDelta actualLine:(int) insertionLineIndex
|
|
{
|
|
//- (NSDictionary *)attributesAtIndex:(unsigned)location longestEffectiveRange:(NSRange *)range inRange:(NSRange)rangeLimit;
|
|
// or even better: [[rtfContent substringWithRange:aRange] size] and the algorithm from plain text
|
|
|
|
return 0;
|
|
}
|
|
|
|
// internal method
|
|
-(void) addNewlines:(NSRange) aRange intoLayoutArray:(NSMutableArray*) anArray attributes:(NSDictionary*) attributes atPoint:(NSPoint*) aPointP
|
|
width:(float) width characterIndex:(unsigned) startingLineCharIndex ghostEnumerator:(_GNUSeekableArrayEnumerator*) prevArrayEnum
|
|
didShift:(BOOL*) didShift verticalDisplacement:(float*) verticalDisplacement
|
|
{ NSSize advanceSize=[[[self class] newlineString] sizeWithAttributes:attributes];
|
|
int count=aRange.length,charIndex;
|
|
_GNULineLayoutInfo *thisInfo,*ghostInfo=nil;
|
|
BOOL isRich=[self isRichText];
|
|
|
|
(*didShift)=NO;
|
|
|
|
for(charIndex=aRange.location;--count>=0;charIndex++)
|
|
{ NSRect currentLineRect=NSMakeRect(aPointP->x,aPointP->y,width-aPointP->x,advanceSize.height);
|
|
[anArray addObject:thisInfo=[_GNULineLayoutInfo lineLayoutWithRange:
|
|
NSMakeRange(startingLineCharIndex,1) rect:currentLineRect drawingOffset:0 type:LineLayoutInfoType_Paragraph]];
|
|
|
|
if(isRich)
|
|
{ advanceSize=[rtfContent sizeRange:NSMakeRange(charIndex,1)];
|
|
}
|
|
startingLineCharIndex++; aPointP->x=0; aPointP->y+= advanceSize.height;
|
|
|
|
if(prevArrayEnum && !(ghostInfo=[prevArrayEnum nextObject])) prevArrayEnum=nil;
|
|
|
|
if(ghostInfo && ([thisInfo type] != [ghostInfo type]))
|
|
{ _GNULineLayoutInfo *prevInfo=[prevArrayEnum previousObject];
|
|
prevArrayEnum=nil;
|
|
(*didShift)=YES;
|
|
(*verticalDisplacement)+=aPointP->y-[prevInfo lineRect].origin.y;
|
|
}
|
|
}
|
|
}
|
|
|
|
static unsigned _relocLayoutArray(NSMutableArray *lineLayoutInformation,NSArray *ghostArray,int aLine,int relocOffset,int rebuildLineDrift,float yReloc)
|
|
{ unsigned ret=[lineLayoutInformation count]-aLine; // lines actually updated (optimized drawing)
|
|
NSArray *relocArray=[ghostArray subarrayWithRange:MakeRangeFromAbs(MAX(0,ret+rebuildLineDrift),[ghostArray count])];
|
|
NSEnumerator *relocEnum;
|
|
_GNULineLayoutInfo *currReloc;
|
|
|
|
if(![relocArray count]) return ret;
|
|
|
|
for(relocEnum=[relocArray objectEnumerator]; (currReloc=[relocEnum nextObject]);)
|
|
{ NSRange range=[currReloc lineRange];
|
|
[currReloc setLineRange:NSMakeRange(range.location+relocOffset,range.length)];
|
|
if(yReloc)
|
|
{ NSRect rect=[currReloc lineRect];
|
|
[currReloc setLineRect:NSMakeRect(rect.origin.x,rect.origin.y+yReloc,rect.size.width,rect.size.height)];
|
|
}
|
|
}
|
|
[lineLayoutInformation addObjectsFromArray:relocArray];
|
|
return ret;
|
|
}
|
|
|
|
|
|
// returns count of lines actually updated
|
|
// actually only implemented for [self isVerticallyResizable] (but i think this is ok)
|
|
// <!> detachNewThreadSelector:selector toTarget:target withObject:argument;
|
|
|
|
-(int) rebuildPlainLineLayoutInformationStartingAtLine:(int) aLine delta:(int) insertionDelta actualLine:(int) insertionLineIndex
|
|
{ NSDictionary *attributes=[self defaultTypingAttributes];
|
|
NSPoint drawingPoint=NSZeroPoint;
|
|
_GNUTextScanner *parscanner;
|
|
float width=[self frame].size.width;
|
|
unsigned startingIndex=0,currentLineIndex;
|
|
_GNULineLayoutInfo *lastValidLineInfo=nil;
|
|
NSArray *ghostArray=nil; // for optimization detection
|
|
_GNUSeekableArrayEnumerator *prevArrayEnum=nil;
|
|
NSCharacterSet *invSelectionWordGranularitySet=[selectionWordGranularitySet invertedSet];
|
|
NSCharacterSet *invSelectionParagraphGranularitySet=[selectionParagraphGranularitySet invertedSet];
|
|
NSString *parsedString;
|
|
BOOL isHorizontallyResizable=[self isHorizontallyResizable];
|
|
int lineDriftOffset=0,rebuildLineDrift=0;
|
|
BOOL frameshiftCorrection=NO,nlDidShift=NO,enforceOpti=NO;
|
|
float yDisplacement=0;
|
|
BOOL isRich=[self isRichText];
|
|
|
|
if(!lineLayoutInformation) lineLayoutInformation=[[NSMutableArray alloc] init];
|
|
else
|
|
{ ghostArray=[lineLayoutInformation subarrayWithRange:NSMakeRange(aLine,[lineLayoutInformation count]-aLine)]; // remember old array for optimization purposes
|
|
prevArrayEnum=[ghostArray seekableEnumerator]; // every time an object is added to lineLayoutInformation a nextObject has to be performed on prevArrayEnum!
|
|
}
|
|
|
|
if(aLine)
|
|
{ lastValidLineInfo=[lineLayoutInformation objectAtIndex: aLine-1];
|
|
drawingPoint=[lastValidLineInfo lineRect].origin;
|
|
drawingPoint.y+=[lastValidLineInfo lineRect].size.height;
|
|
startingIndex=NSMaxRange([lastValidLineInfo lineRange]);
|
|
}
|
|
if([lastValidLineInfo type]== LineLayoutInfoType_Paragraph)
|
|
{ drawingPoint.x=0;
|
|
} if((((int)[lineLayoutInformation count])-1) >= aLine) // keep paragraph-terminating space on same line as paragraph
|
|
{ _GNULineLayoutInfo *anchorLine=[lineLayoutInformation objectAtIndex:aLine];
|
|
NSRect anchorRect=[anchorLine lineRect];
|
|
if(anchorRect.origin.x> drawingPoint.x && [lastValidLineInfo lineRect].origin.y == anchorRect.origin.y)
|
|
{ drawingPoint= anchorRect.origin;
|
|
}
|
|
}
|
|
|
|
[lineLayoutInformation removeObjectsInRange:NSMakeRange(aLine,[lineLayoutInformation count]-aLine)];
|
|
currentLineIndex=aLine;
|
|
|
|
// each paragraph
|
|
for(parscanner=[_GNUTextScanner scannerWithString:parsedString=[plainContent substringFromIndex:startingIndex]
|
|
set:selectionParagraphGranularitySet invertedSet:invSelectionParagraphGranularitySet];
|
|
![parscanner isAtEnd];)
|
|
{ _GNUTextScanner *linescanner;
|
|
NSString *paragraph;
|
|
NSRange paragraphRange,leadingNlRange,trailingNlRange;
|
|
unsigned startingParagraphIndex=[parscanner scanLocation]+startingIndex,startingLineCharIndex=startingParagraphIndex;
|
|
BOOL isBuckled=NO,inBuckling=NO;
|
|
|
|
leadingNlRange=[parscanner scanSetCharacters];
|
|
if(leadingNlRange.length) // add the leading newlines of current paragraph if any (only the first time)
|
|
{ [self addNewlines:leadingNlRange intoLayoutArray:lineLayoutInformation attributes:attributes atPoint:&drawingPoint width:width
|
|
characterIndex:startingLineCharIndex ghostEnumerator:prevArrayEnum
|
|
didShift:&nlDidShift verticalDisplacement:&yDisplacement];
|
|
if(nlDidShift)
|
|
{ if(insertionDelta == 1)
|
|
{ frameshiftCorrection=YES;
|
|
rebuildLineDrift--;
|
|
} else if(insertionDelta == -1)
|
|
{ frameshiftCorrection=YES;
|
|
rebuildLineDrift++;
|
|
} else nlDidShift=NO;
|
|
}
|
|
|
|
startingLineCharIndex+=leadingNlRange.length; currentLineIndex+=leadingNlRange.length;
|
|
}
|
|
paragraphRange=[parscanner scanNonSetCharacters];
|
|
|
|
trailingNlRange=[parscanner scanSetCharacters];
|
|
|
|
// each line
|
|
for(linescanner=[_GNUTextScanner scannerWithString:paragraph=[parsedString substringWithRange:paragraphRange]
|
|
set:selectionWordGranularitySet invertedSet:invSelectionWordGranularitySet];
|
|
![linescanner isAtEnd];)
|
|
{ NSRect currentLineRect=NSMakeRect(0,drawingPoint.y,0,0);
|
|
unsigned localLineStartIndex=[linescanner scanLocation]; // starts with zero, do not confuse with startingLineCharIndex
|
|
NSSize advanceSize=NSZeroSize;
|
|
|
|
// scan the individual words to the end of the line
|
|
for(;![linescanner isAtEnd]; drawingPoint.x+=advanceSize.width)
|
|
{ NSRange currentStringRange,trailingSpacesRange,leadingSpacesRange;
|
|
unsigned scannerPosition=[linescanner scanLocation];
|
|
|
|
// snack next word
|
|
leadingSpacesRange= [linescanner scanSetCharacters]; // leading spaces: only first time
|
|
currentStringRange= [linescanner scanNonSetCharacters];
|
|
trailingSpacesRange=[linescanner scanSetCharacters];
|
|
if (leadingSpacesRange.length) currentStringRange=NSUnionRange (leadingSpacesRange,currentStringRange);
|
|
if(trailingSpacesRange.length) currentStringRange=NSUnionRange(trailingSpacesRange,currentStringRange);
|
|
|
|
// evaluate size of current word and line so far
|
|
if(isRich) advanceSize=[rtfContent sizeRange:NSMakeRange(currentStringRange.location+startingLineCharIndex,currentStringRange.length)];
|
|
else advanceSize=[[paragraph substringWithRange:currentStringRange] sizeWithAttributes:attributes];
|
|
currentLineRect=NSUnionRect(currentLineRect,NSMakeRect(drawingPoint.x,drawingPoint.y, advanceSize.width, advanceSize.height));
|
|
|
|
// handle case where single word is broader than width (buckle word) <!> unfinished
|
|
if(!isHorizontallyResizable && advanceSize.width >= width)
|
|
{ if(isBuckled)
|
|
{ NSSize currentSize=NSMakeSize(HUGE,0);
|
|
unsigned lastVisibleCharIndex;
|
|
|
|
for(lastVisibleCharIndex=startingLineCharIndex+currentStringRange.length;
|
|
currentSize.width>= width && lastVisibleCharIndex> startingLineCharIndex;
|
|
lastVisibleCharIndex--)
|
|
{ if(isRich)
|
|
{ currentSize=[rtfContent sizeRange:MakeRangeFromAbs(startingLineCharIndex,lastVisibleCharIndex)];
|
|
} else
|
|
{ NSString *evalString=[plainContent substringWithRange:MakeRangeFromAbs(startingLineCharIndex,lastVisibleCharIndex)];
|
|
currentSize=[evalString sizeWithAttributes:attributes];
|
|
}
|
|
}
|
|
isBuckled=NO; inBuckling=YES;
|
|
scannerPosition=localLineStartIndex+(lastVisibleCharIndex-startingLineCharIndex);
|
|
currentLineRect.size.width=advanceSize.width=width;
|
|
} else // undo layout of extralarge word for now
|
|
{ isBuckled=YES;
|
|
currentLineRect.size.width-=advanceSize.width;
|
|
}
|
|
}
|
|
|
|
// end of line-> word wrap
|
|
if(!isHorizontallyResizable && (currentLineRect.size.width >= width || isBuckled)) // >= :wichtig för abknicken (isBuckled)
|
|
{ _GNULineLayoutInfo *ghostInfo=nil,*thisInfo;
|
|
|
|
[linescanner setScanLocation:scannerPosition]; // undo layout of last word
|
|
|
|
currentLineRect.origin.x=0; currentLineRect.origin.y=drawingPoint.y;
|
|
drawingPoint.y+= currentLineRect.size.height; drawingPoint.x=0;
|
|
|
|
[lineLayoutInformation addObject:thisInfo=[_GNULineLayoutInfo lineLayoutWithRange:
|
|
NSMakeRange(startingLineCharIndex,scannerPosition-localLineStartIndex)
|
|
rect:currentLineRect drawingOffset:0 type:LineLayoutInfoType_Text]];
|
|
currentLineIndex++;
|
|
startingLineCharIndex=NSMaxRange([thisInfo lineRange]);
|
|
|
|
if(prevArrayEnum && !(ghostInfo=[prevArrayEnum nextObject])) prevArrayEnum=nil;
|
|
|
|
// optimization stuff (do relayout only as much lines as necessary and patch the rest) ---------
|
|
if(ghostInfo)
|
|
{ if([ghostInfo type] != [thisInfo type]) // frameshift correction
|
|
{ frameshiftCorrection=YES;
|
|
if(insertionDelta == -1) // deletition of newline
|
|
{ _GNULineLayoutInfo *nextObject;
|
|
if(!(nextObject=[prevArrayEnum nextObject])) prevArrayEnum=nil;
|
|
else
|
|
{ if(nlDidShift && frameshiftCorrection)
|
|
{// frameshiftCorrection=NO;
|
|
#if 0
|
|
NSLog(@"opti hook 1 (preferred)");
|
|
#endif
|
|
} else
|
|
{ lineDriftOffset+=([thisInfo lineRange].length-[ghostInfo lineRange].length-[nextObject lineRange].length);
|
|
yDisplacement+=[thisInfo lineRect].origin.y-[nextObject lineRect].origin.y;
|
|
rebuildLineDrift++;
|
|
}
|
|
}
|
|
}
|
|
} else lineDriftOffset+=([thisInfo lineRange].length-[ghostInfo lineRange].length);
|
|
|
|
// is it possible to simply patch layout changes into layout array instead of doing a time consuming re-layout of the whole doc?
|
|
if((currentLineIndex-1 > insertionLineIndex && !inBuckling && !isBuckled) &&
|
|
(!(lineDriftOffset-insertionDelta) || (nlDidShift && !lineDriftOffset) || enforceOpti))
|
|
{ unsigned erg=_relocLayoutArray(lineLayoutInformation,ghostArray,aLine,insertionDelta, rebuildLineDrift,
|
|
yDisplacement);
|
|
|
|
if(frameshiftCorrection) erg=[lineLayoutInformation count]-aLine; // y displacement: redisplay all remaining lines
|
|
else if(currentLineIndex-1 == insertionLineIndex && ABS(insertionDelta)== 1)
|
|
{ erg=2; // return 2: redisplay only this and previous line
|
|
}
|
|
#if 0
|
|
NSLog(@"opti for:%d",erg);
|
|
#endif
|
|
return erg;
|
|
}
|
|
}
|
|
// end: optimization stuff-------------------------------------------------------------------------
|
|
break;
|
|
|
|
// newline-induced premature lineending: flush
|
|
} else if([linescanner isAtEnd])
|
|
{ _GNULineLayoutInfo *thisInfo;
|
|
scannerPosition=[linescanner scanLocation];
|
|
[lineLayoutInformation addObject:thisInfo=[_GNULineLayoutInfo lineLayoutWithRange:
|
|
NSMakeRange(startingLineCharIndex,scannerPosition-localLineStartIndex)
|
|
rect:currentLineRect drawingOffset:0 type:LineLayoutInfoType_Text]];
|
|
currentLineIndex++;
|
|
startingLineCharIndex=NSMaxRange([thisInfo lineRange]);
|
|
|
|
// check for optimization (lines after paragraph are unchanged and do not need redisplay/relayout)------
|
|
if(prevArrayEnum)
|
|
{ _GNULineLayoutInfo *ghostInfo=nil;
|
|
|
|
ghostInfo=[prevArrayEnum nextObject];
|
|
|
|
if(ghostInfo)
|
|
{ if([ghostInfo type] != [thisInfo type]) // frameshift correction for inserted newline
|
|
{ frameshiftCorrection=YES;
|
|
|
|
if(insertionDelta == 1)
|
|
{
|
|
[prevArrayEnum previousObject];
|
|
lineDriftOffset+=([thisInfo lineRange].length-[ghostInfo lineRange].length)+insertionDelta;
|
|
rebuildLineDrift--;
|
|
yDisplacement+= [thisInfo lineRect].origin.y-[ghostInfo lineRect].origin.y;
|
|
} else if(insertionDelta == -1)
|
|
{ if(nlDidShift && frameshiftCorrection)
|
|
{// frameshiftCorrection=NO;
|
|
#if 0
|
|
NSLog(@"opti hook 2");
|
|
#endif
|
|
}
|
|
}
|
|
} else lineDriftOffset+=([thisInfo lineRange].length-[ghostInfo lineRange].length);
|
|
} else {prevArrayEnum=nil;} // new array obviously longer than the previous one
|
|
// end: optimization stuff-------------------------------------------------------------------------
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(trailingNlRange.length) // add the trailing newlines of current paragraph if any
|
|
{ [self addNewlines:trailingNlRange intoLayoutArray:lineLayoutInformation attributes:attributes atPoint:&drawingPoint width:width
|
|
characterIndex:startingLineCharIndex ghostEnumerator:prevArrayEnum
|
|
didShift:&nlDidShift verticalDisplacement:&yDisplacement];
|
|
if(nlDidShift)
|
|
{ if(insertionDelta == 1)
|
|
{ frameshiftCorrection=YES;
|
|
rebuildLineDrift--;
|
|
} else if(insertionDelta == -1)
|
|
{ frameshiftCorrection=YES;
|
|
rebuildLineDrift++;
|
|
} else nlDidShift=NO;
|
|
}
|
|
currentLineIndex+=trailingNlRange.length;
|
|
}
|
|
}
|
|
|
|
return [lineLayoutInformation count]-aLine; // lines actually updated (optimized drawing)
|
|
}
|
|
// end: central line formatting method ------------------------------------
|
|
|
|
-(int) rebuildPlainLineLayoutInformationStartingAtLine:(int) aLine
|
|
{ return [self rebuildPlainLineLayoutInformationStartingAtLine:aLine delta:0 actualLine:0];
|
|
}
|
|
-(int) rebuildRichLineLayoutInformationStartingAtLine:(int) aLine
|
|
{ return [self rebuildRichLineLayoutInformationStartingAtLine:aLine delta:0 actualLine:0];
|
|
}
|
|
|
|
-(int) rebuildLineLayoutInformationStartingAtLine:(int) aLine
|
|
{ if([self isRichText])
|
|
{ return [self rebuildRichLineLayoutInformationStartingAtLine:0 delta:0 actualLine:0];
|
|
} else
|
|
{ return [self rebuildPlainLineLayoutInformationStartingAtLine:0 delta:0 actualLine:0];
|
|
}
|
|
}
|
|
|
|
// relies on lineLayoutInformation
|
|
-(void) drawPlainLinesInLineRange:(NSRange) aRange
|
|
{ if(NSMaxRange(aRange) > MAX(0,[lineLayoutInformation count]-1)) // lay out lines before drawing them
|
|
{ [self rebuildPlainLineLayoutInformationStartingAtLine:MAX(0,[lineLayoutInformation count]-1)];
|
|
}
|
|
{ NSArray *linesToDraw=[lineLayoutInformation subarrayWithRange:aRange];
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
NSDictionary *attributes=[self defaultTypingAttributes];
|
|
|
|
for(lineEnum=[linesToDraw objectEnumerator]; (currentInfo=[lineEnum nextObject]);)
|
|
{ if([currentInfo isDontDisplay] || [currentInfo type]== LineLayoutInfoType_Paragraph) continue; // e.g. for nl
|
|
[[plainContent substringWithRange:[currentInfo lineRange]] drawAtPoint:[currentInfo lineRect].origin withAttributes:attributes];
|
|
}
|
|
}
|
|
}
|
|
|
|
-(void) drawRichLinesInLineRange:(NSRange) aRange
|
|
{ if(NSMaxRange(aRange) > [lineLayoutInformation count]-1) // lay out lines before drawing them
|
|
{ [self rebuildRichLineLayoutInformationStartingAtLine:[lineLayoutInformation count]-1];
|
|
}
|
|
{ NSArray *linesToDraw=[lineLayoutInformation subarrayWithRange:aRange];
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
|
|
for(lineEnum=[linesToDraw objectEnumerator]; (currentInfo=[lineEnum nextObject]);)
|
|
{ if([currentInfo isDontDisplay] || [currentInfo type] == LineLayoutInfoType_Paragraph) continue; // e.g. for nl
|
|
[rtfContent drawRange:[currentInfo lineRange] atPoint:[currentInfo lineRect].origin];
|
|
}
|
|
}
|
|
}
|
|
|
|
-(NSRange) lineRangeForRect:(NSRect) rect
|
|
{ NSPoint upperLeftPoint=rect.origin, lowerRightPoint=NSMakePoint(NSMaxX(rect),NSMaxY(rect));
|
|
unsigned startLine,endLine;
|
|
startLine=[self lineLayoutIndexForPoint:upperLeftPoint],
|
|
endLine=[self lineLayoutIndexForPoint:lowerRightPoint];
|
|
return MakeRangeFromAbs(startLine,endLine+1);
|
|
}
|
|
|
|
-(void) drawRectNoSelection:(NSRect)rect
|
|
{ NSRange redrawLineRange;
|
|
|
|
if(![lineLayoutInformation count]) // bootstrap layout information for [self lineLayoutIndexForCharacterIndex:anIndex] to work initially
|
|
{ [self rebuildLineLayoutInformationStartingAtLine:0];
|
|
}
|
|
|
|
redrawLineRange=[self lineRangeForRect:rect];
|
|
|
|
if([self drawsBackground]) // clear area under text
|
|
{ [[self backgroundColor] set]; NSRectFill(rect);
|
|
}
|
|
if([self isRichText])
|
|
{ [self drawRichLinesInLineRange:redrawLineRange];
|
|
} else
|
|
{ [self drawPlainLinesInLineRange:redrawLineRange];
|
|
}
|
|
|
|
}
|
|
|
|
-(void) drawRect:(NSRect)rect
|
|
{ if(displayDisabled) return;
|
|
|
|
[self drawRectNoSelection:rect];
|
|
[self drawSelectionAsRange:[self selectedRange]];
|
|
}
|
|
|
|
// text lays out from top to bottom
|
|
-(BOOL) isFlipped {return YES;}
|
|
|
|
//
|
|
// Copy and paste
|
|
//
|
|
-(void) copy:sender
|
|
{ NSMutableArray *types=[NSMutableArray arrayWithObjects:NSStringPboardType, nil];
|
|
NSPasteboard *pboard=[NSPasteboard generalPasteboard];
|
|
if([self isRichText]) [types addObject:NSRTFPboardType];
|
|
if([self importsGraphics]) [types addObject:NSRTFDPboardType];
|
|
[pboard declareTypes:types owner:self];
|
|
[pboard setString:[[self string] substringWithRange:[self selectedRange]] forType:NSStringPboardType];
|
|
if([self isRichText]) [pboard setData:[self RTFFromRange:[self selectedRange]] forType:NSRTFPboardType];
|
|
if([self importsGraphics]) [pboard setData:[self RTFDFromRange:[self selectedRange]] forType:NSRTFDPboardType];
|
|
}
|
|
|
|
// <!>
|
|
-(void) copyFont:sender
|
|
{
|
|
}
|
|
|
|
// <!>
|
|
-(void) copyRuler:sender
|
|
{
|
|
}
|
|
|
|
-(void) delete:sender
|
|
{ [self deleteRange:[self selectedRange] backspace:NO];
|
|
}
|
|
-(void) cut:sender
|
|
{ if([self selectedRange].length)
|
|
{ [self copy:self];
|
|
[self delete:self];
|
|
}
|
|
}
|
|
|
|
|
|
-(void) paste:sender
|
|
{ [self performPasteOperation:[NSPasteboard generalPasteboard]];
|
|
}
|
|
|
|
-(void) pasteFont:sender
|
|
{ [self performPasteOperation:[NSPasteboard pasteboardWithName:NSFontPboard]];
|
|
}
|
|
|
|
-(void) pasteRuler:sender
|
|
{ [self performPasteOperation:[NSPasteboard pasteboardWithName:NSRulerPboard]];
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// NSCoding protocol
|
|
//
|
|
- (void) encodeWithCoder: (NSCoder*)aCoder
|
|
{
|
|
[super encodeWithCoder: aCoder];
|
|
|
|
[aCoder encodeConditionalObject:delegate];
|
|
|
|
[aCoder encodeObject: plainContent];
|
|
[aCoder encodeObject: rtfContent];
|
|
|
|
[aCoder encodeValueOfObjCType: @encode(unsigned) at: &alignment];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_editable];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_rich_text];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_selectable];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &imports_graphics];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &uses_font_panel];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_horizontally_resizable];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_vertically_resizable];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_ruler_visible];
|
|
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_field_editor];
|
|
[aCoder encodeObject: background_color];
|
|
[aCoder encodeObject: text_color];
|
|
[aCoder encodeObject: default_font];
|
|
[aCoder encodeValueOfObjCType: @encode(NSRange) at: &selected_range];
|
|
}
|
|
|
|
- (id) initWithCoder: (NSCoder*)aDecoder
|
|
{
|
|
[super initWithCoder: aDecoder];
|
|
|
|
delegate = [aDecoder decodeObject];
|
|
|
|
[aDecoder decodeValueOfObjCType: @encode(id) at: &plainContent];
|
|
[aDecoder decodeValueOfObjCType: @encode(id) at: &rtfContent];
|
|
|
|
[aDecoder decodeValueOfObjCType: @encode(unsigned) at: &alignment];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_editable];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_rich_text];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_selectable];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &imports_graphics];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &uses_font_panel];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_horizontally_resizable];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_vertically_resizable];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_ruler_visible];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_field_editor];
|
|
[aDecoder decodeValueOfObjCType: @encode(id) at: &background_color];
|
|
[aDecoder decodeValueOfObjCType: @encode(id) at: &text_color];
|
|
[aDecoder decodeValueOfObjCType: @encode(id) at: &default_font];
|
|
[aDecoder decodeValueOfObjCType: @encode(NSRange) at: &selected_range];
|
|
return self;
|
|
}
|
|
|
|
//
|
|
// Spelling
|
|
//
|
|
|
|
-(void) checkSpelling:sender
|
|
{ NSRange errorRange=[[NSSpellChecker sharedSpellChecker] checkSpellingOfString:[self string] startingAt:NSMaxRange([self selectedRange])];
|
|
if(errorRange.length) [self setSelectedRange:errorRange];
|
|
else NSBeep();
|
|
}
|
|
|
|
-(void) showGuessPanel:sender
|
|
{ [[[NSSpellChecker sharedSpellChecker] spellingPanel] orderFront:self];
|
|
}
|
|
|
|
//
|
|
// NSChangeSpelling protocol
|
|
//
|
|
|
|
-(void) changeSpelling:sender
|
|
{ [self insertText:[[(NSControl*)sender selectedCell] stringValue]];
|
|
}
|
|
|
|
-(int) spellCheckerDocumentTag
|
|
{ if(!spellCheckerDocumentTag) spellCheckerDocumentTag=[NSSpellChecker uniqueSpellDocumentTag];
|
|
return spellCheckerDocumentTag;
|
|
}
|
|
|
|
//
|
|
// NSIgnoreMisspelledWords protocol
|
|
//
|
|
-(void) ignoreSpelling:sender
|
|
{ [[NSSpellChecker sharedSpellChecker] ignoreWord:[[(NSControl*)sender selectedCell] stringValue] inSpellDocumentWithTag:[self spellCheckerDocumentTag]];
|
|
}
|
|
|
|
@end
|