mirror of
https://github.com/gnustep/libs-gui.git
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d1f7b7b5ae
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@6231 72102866-910b-0410-8b05-ffd578937521
3315 lines
86 KiB
Objective-C
3315 lines
86 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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// toDo: - caret blinking
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// - formatting routine: broader than 1.5x width cause display problems
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// - optimization: 1.deletion of single char in paragraph [opti hook 1]
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// - optimization: 2.newline in first line
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// - optimization: 3.paragraph made one less line due to delition
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// of single char [opti hook 1; diff from 1.]
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#include <gnustep/gui/config.h>
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#include <Foundation/NSNotification.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/NSFontManager.h>
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#include <AppKit/NSFont.h>
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#include <AppKit/NSColor.h>
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#include <AppKit/NSParagraphStyle.h>
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#include <AppKit/NSPasteboard.h>
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#include <AppKit/NSSpellChecker.h>
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#include <AppKit/NSClipView.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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#define HUGE 1e99
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/*
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* A little utility function to determine the range of characters in a scanner
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* that are present in a specified character set.
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*/
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static inline NSRange
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scanRange(NSScanner *scanner, NSCharacterSet* aSet)
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{
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unsigned start = [scanner scanLocation];
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unsigned end = start;
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if ([scanner scanCharactersFromSet: aSet intoString: 0] == YES)
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{
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end = [scanner scanLocation];
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}
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return NSMakeRange(start, end - start);
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}
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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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@interface _GNULineLayoutInfo: NSObject
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{
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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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}
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typedef enum
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{
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// do not use 0 in order to secure calls to nil (calls to nil return 0)!
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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
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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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- (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
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drawingOffset: (float) anOffset type: (unsigned) aType
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{
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id ret = [[[_GNULineLayoutInfo alloc] init] autorelease];
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[ret setLineRange: aRange];
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[ret setLineRect: aRect];
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[ret setDrawingOffset: anOffset];
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[ret setType: aType];
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return ret;
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}
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- (BOOL) isDontDisplay
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{
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return dontDisplay;
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}
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- (unsigned) type
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{
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return type;
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}
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- (NSRange) lineRange
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{
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return lineRange;
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}
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- (NSRect) lineRect
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{
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return lineRect;
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}
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- (float) drawingOffset
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{
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return drawingOffset;
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}
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- (void) setLineRange: (NSRange) aRange
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{
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lineRange = aRange;
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}
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- (void) setLineRect: (NSRect) aRect
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{
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//FIXME, line up textEditor with how text in text cell will be placed.
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// aRect.origin.y += 2;
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lineRect = aRect;
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}
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- (void) setDrawingOffset: (float) anOffset
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{
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drawingOffset = anOffset;
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}
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- (void) setDontDisplay: (BOOL) flag
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{
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dontDisplay = flag;
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}
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- (void) setType: (unsigned) aType
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{
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type = aType;
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}
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- (NSString*) description
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{
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return [[NSDictionary dictionaryWithObjectsAndKeys:
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NSStringFromRange(lineRange), @"LineRange",
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NSStringFromRect(lineRect), @"LineRect",
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nil]
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description];
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}
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- (BOOL) isLineTerminatingParagraph
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{
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// sort of hackish
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return type == LineLayoutInfoType_Paragraph && lineRect.origin.x> 0;
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}
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@end
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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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/*
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static NSRange MakeRangeFromAbs(int a1,int a2)
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{ if (a1< a2) return NSMakeRange(a1,a2 - a1);
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else return NSMakeRange(a2,a1 - a2);
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}
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*/
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// end: _GNULineLayoutInfo------------------------------------------------------------------------------------------
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@interface _GNUSeekableArrayEnumerator: NSObject
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{
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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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{
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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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{
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if (currentIndex >= [array count])
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return nil;
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return [array objectAtIndex: currentIndex++];
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}
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- previousObject
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{
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if (!currentIndex)
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return nil;
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return [array objectAtIndex:--currentIndex];
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}
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- currentObject
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{
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return [array objectAtIndex: currentIndex];
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}
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- (void) dealloc
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{
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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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{
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return [[[_GNUSeekableArrayEnumerator alloc] initWithArray: self]
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autorelease];
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}
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@end
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// begin: NSText------------------------------------------------------------
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@interface NSText(GNUstepPrivate)
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//
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// these NSLayoutManager- like methods are here only informally (GNU extensions)
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//
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-(unsigned) characterIndexForPoint:(NSPoint)point;
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-(NSRect) rectForCharacterIndex:(unsigned) index;
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-(NSRect) boundingRectForLineRange:(NSRange)lineRange;
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-(NSRange) characterRangeForBoundingRect:(NSRect)bounds;
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-(NSRange) lineRangeForRect:(NSRect) aRect;
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// Key movement
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- (void) moveCursorUp: sender;
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- (void) moveCursorDown: sender;
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- (void) moveCursorLeft: sender;
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- (void) moveCursorRight: sender;
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//
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// these are implementation specific (GNU extensions)
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//
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-(int) rebuildLineLayoutInformation;
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-(int) rebuildLineLayoutInformationStartingAtLine:(int) aLine; // returns count of lines actually updated (e.g. drawing optimization)
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-(int) rebuildLineLayoutInformationStartingAtLine:(int) aLine delta:(int) insertionDelta actualLine:(int) insertionLine; // override for special layout of text
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-(int) lineLayoutIndexForCharacterIndex:(unsigned) anIndex; // return value is identical to the real line number (plus counted newline characters)
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-(void) redisplayForLineRange:(NSRange) redrawLineRange;
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-(void) drawLinesInLineRange:(NSRange) aRange; // low level, override but never invoke (use redisplayForLineRange:)
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// GNU utility methods
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// return value is guaranteed to be a NSAttributedString,
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// even if data contains only NSString
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+(NSAttributedString*) attributedStringForData:(NSData*) aData;
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+(NSData*) dataForAttributedString:(NSAttributedString*) aString;
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- (BOOL) performPasteOperation: (NSPasteboard*)pboard;
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//
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// various GNU extensions
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//
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- (void) rebuildForCharacterRange: (NSRange) aRange;
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-(void) setSelectionWordGranularitySet:(NSCharacterSet*) aSet;
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-(void) setSelectionParagraphGranularitySet:(NSCharacterSet*) aSet;
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//
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// private (never invoke, never subclass)
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//
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-(void) drawRectNoSelection:(NSRect)rect;
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- (void) setSelectedRangeNoDrawing: (NSRange)range;
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- (void) deleteRange: (NSRange) aRange backspace: (BOOL) flag;
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- (NSDictionary*) defaultTypingAttributes;
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- (void) drawInsertionPointAtIndex: (unsigned)index
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color: (NSColor*)color
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turnedOn: (BOOL)flag;
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- (void) drawSelectionAsRangeNoCaret: (NSRange) aRange;
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- (void) drawSelectionAsRange: (NSRange) aRange;
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- (NSSize) _sizeOfRange: (NSRange)range;
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@end
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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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// Instance methods
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//
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//
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// Initialization
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//
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- (id) 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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- (id) initWithFrame: (NSRect)frameRect
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{
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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 textBackgroundColor]];
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[self setTextColor: [NSColor textColor]];
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default_font = RETAIN([NSFont userFontOfSize: 12]);
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[self setSelectionWordGranularitySet:
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[NSCharacterSet characterSetWithCharactersInString: @" "]]; //[NSCharacterSet whitespaceCharacterSet]
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[self setSelectionParagraphGranularitySet:
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[NSCharacterSet characterSetWithCharactersInString:
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[[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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- (void)dealloc
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{
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[self unregisterDraggedTypes];
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[background_color release];
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[default_font release];
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[text_color release];
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[plainContent release];
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[rtfContent release];
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[super dealloc];
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}
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//
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// Getting and Setting Contents
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//
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// low level (no selection handling, relayout or display)
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- (void)replaceCharactersInRange:(NSRange)aRange withRTF:(NSData *)rtfData
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{
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[self replaceRange: aRange withRTF: rtfData];
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}
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- (void)replaceCharactersInRange:(NSRange)aRange withRTFD:(NSData *)rtfdData
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{
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[self replaceRange: aRange withRTFD: rtfdData];
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}
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- (void)replaceCharactersInRange:(NSRange)aRange withString:(NSString *)aString
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{
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[self replaceRange: aRange withString: aString];
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}
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- (void) setString: (NSString *)string
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{
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if ([self isRichText])
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{
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RELEASE(rtfContent);
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rtfContent = [[NSMutableAttributedString alloc]
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initWithString: string
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attributes: [self defaultTypingAttributes]];
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}
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else
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ASSIGN(plainContent, [NSMutableString stringWithString: string]);
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[self rebuildLineLayoutInformation];
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[self setSelectedRangeNoDrawing: NSMakeRange (0, 0)];
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// [self setNeedsDisplay: YES];
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}
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- (NSString*) string
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{
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if ([self isRichText])
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return [rtfContent string];
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else
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return plainContent;
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}
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- (void) replaceRange: (NSRange)range withRTFD: (NSData *)rtfdData
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{
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return [self replaceRange: range
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withAttributedString: [[self class] attributedStringForData:
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rtfdData]];
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}
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- (void) replaceRange: (NSRange)range withRTF: (NSData*) rtfData
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{
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[self replaceRange: range withRTFD: rtfData];
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}
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- (void) replaceRange: (NSRange)range withString: (NSString*) aString
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{
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if ([self isRichText])
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{
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return [rtfContent replaceCharactersInRange: range withString: aString];
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}
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else
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return [plainContent replaceCharactersInRange: range withString: aString];
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}
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- (void) setText: (NSString*) aString range: (NSRange) aRange
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{
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[self replaceRange: (NSRange)aRange withString: aString];
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}
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- (void) setText: (NSString *)string
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{
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[self setString: string];
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}
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- (NSString*) text
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{
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return [self string];
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}
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//
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// Graphic attributes
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//
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- (NSColor*) backgroundColor
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{
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return background_color;
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}
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- (BOOL) drawsBackground
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|
{
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|
return draws_background;
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|
}
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|
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- (void) setBackgroundColor: (NSColor *)color
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|
{
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ASSIGN(background_color, color);
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}
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|
- (void)setDrawsBackground: (BOOL)flag
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|
{
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|
draws_background = flag;
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|
}
|
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|
|
//
|
|
// Managing Global Characteristics
|
|
//
|
|
- (BOOL) importsGraphics
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|
{
|
|
return imports_graphics;
|
|
}
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- (BOOL) isEditable
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{
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return is_editable;
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}
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- (BOOL) isFieldEditor
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{
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return is_field_editor;
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}
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- (BOOL) isRichText
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{
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return is_rich_text;
|
|
}
|
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|
|
- (BOOL) isSelectable
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|
{
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|
return is_selectable;
|
|
}
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|
|
|
- (void)setEditable: (BOOL)flag
|
|
{
|
|
is_editable = flag;
|
|
// If we are editable then we are selectable
|
|
if (flag)
|
|
is_selectable = YES;
|
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}
|
|
|
|
- (void) setFieldEditor: (BOOL)flag
|
|
{
|
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is_field_editor = flag;
|
|
}
|
|
|
|
- (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]];
|
|
}
|
|
else
|
|
{
|
|
if (!plainContent)
|
|
plainContent = [[NSMutableString
|
|
alloc]
|
|
initWithString: rtfContent? [rtfContent string]: @""];
|
|
}
|
|
|
|
[self updateDragTypeRegistration];
|
|
|
|
[self rebuildLineLayoutInformation];
|
|
[self sizeToFit];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
|
|
- (void)setSelectable: (BOOL)flag
|
|
{
|
|
is_selectable = flag;
|
|
// If we are not selectable then we must not be editable
|
|
if (!flag)
|
|
is_editable = NO;
|
|
}
|
|
|
|
|
|
//
|
|
// Using the font panel
|
|
//
|
|
- (BOOL) usesFontPanel
|
|
{
|
|
return uses_font_panel;
|
|
}
|
|
|
|
- (void)setUsesFontPanel: (BOOL)flag
|
|
{
|
|
uses_font_panel = flag;
|
|
}
|
|
|
|
//
|
|
// Managing the Ruler
|
|
//
|
|
- (BOOL) isRulerVisible
|
|
{
|
|
return NO;
|
|
}
|
|
|
|
- (void) toggleRuler: sender
|
|
{
|
|
}
|
|
|
|
//
|
|
// Managing the Selection
|
|
//
|
|
- (NSRange)selectedRange
|
|
{
|
|
return selected_range;
|
|
}
|
|
|
|
|
|
- (void) setSelectedRange: (NSRange)range
|
|
{
|
|
BOOL didLock = NO;
|
|
|
|
if (!_window)
|
|
return;
|
|
|
|
if (_window && [[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])
|
|
{
|
|
NSRange longestRange;
|
|
|
|
currentFont = [rtfContent attribute: NSFontAttributeName
|
|
atIndex: range.location
|
|
longestEffectiveRange: &longestRange
|
|
inRange: range];
|
|
|
|
if (NSEqualRanges (longestRange, range))
|
|
isMultiple = NO;
|
|
else
|
|
isMultiple = YES;
|
|
}
|
|
else
|
|
currentFont = [[self defaultTypingAttributes]
|
|
objectForKey: NSFontAttributeName];
|
|
|
|
[[NSFontManager sharedFontManager] setSelectedFont: 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];
|
|
[_window flushWindow];
|
|
}
|
|
}
|
|
|
|
//
|
|
// Copy and paste
|
|
//
|
|
- (void) copy: sender
|
|
{
|
|
NSMutableArray *types = [NSMutableArray arrayWithObject:
|
|
NSStringPboardType];
|
|
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: selected_range]
|
|
forType: NSStringPboardType];
|
|
|
|
if ([self isRichText])
|
|
[pboard setData: [self RTFFromRange: selected_range]
|
|
forType: NSRTFPboardType];
|
|
|
|
if ([self importsGraphics])
|
|
[pboard setData: [self RTFDFromRange: selected_range]
|
|
forType: NSRTFDPboardType];
|
|
}
|
|
|
|
// Copy the current font to the font pasteboard
|
|
- (void) copyFont: sender
|
|
{
|
|
NSMutableArray *types = [NSMutableArray arrayWithObject:
|
|
NSFontPboardType];
|
|
NSPasteboard *pboard = [NSPasteboard pasteboardWithName: NSFontPboard];
|
|
// FIXME: We should get the font from the selection
|
|
NSFont *font = [self font];
|
|
NSData *data = nil;
|
|
|
|
if (font != nil)
|
|
data = [NSArchiver archivedDataWithRootObject: font];
|
|
|
|
if (data != nil)
|
|
{
|
|
[pboard declareTypes: types owner: self];
|
|
[pboard setData: data forType: NSFontPboardType];
|
|
}
|
|
}
|
|
|
|
// Copy the current ruler settings to the ruler pasteboard
|
|
- (void) copyRuler: sender
|
|
{
|
|
NSMutableArray *types = [NSMutableArray arrayWithObject:
|
|
NSRulerPboardType];
|
|
NSPasteboard *pboard = [NSPasteboard pasteboardWithName: NSRulerPboard];
|
|
NSParagraphStyle *style;
|
|
NSData * data = nil;
|
|
|
|
if (![self isRichText])
|
|
return;
|
|
|
|
style = [rtfContent attribute: NSParagraphStyleAttributeName
|
|
atIndex: selected_range.location
|
|
effectiveRange: &selected_range];
|
|
|
|
if (style != nil)
|
|
data = [NSArchiver archivedDataWithRootObject: style];
|
|
|
|
if (data != nil)
|
|
{
|
|
[pboard declareTypes: types owner: self];
|
|
[pboard setData: data forType: NSRulerPboardType];
|
|
}
|
|
}
|
|
|
|
- (void) delete: sender
|
|
{
|
|
[self deleteRange: selected_range backspace: NO];
|
|
}
|
|
|
|
- (void) cut: sender
|
|
{
|
|
if (selected_range.length)
|
|
{
|
|
[self copy: sender];
|
|
[self delete: sender];
|
|
}
|
|
}
|
|
|
|
- (void) paste: sender
|
|
{
|
|
[self performPasteOperation: [NSPasteboard generalPasteboard]];
|
|
}
|
|
|
|
- (void) pasteFont: sender
|
|
{
|
|
[self performPasteOperation:
|
|
[NSPasteboard pasteboardWithName: NSFontPboard]];
|
|
}
|
|
|
|
- (void) pasteRuler: sender
|
|
{
|
|
[self performPasteOperation:
|
|
[NSPasteboard pasteboardWithName: NSRulerPboard]];
|
|
}
|
|
|
|
- (void) selectAll: sender
|
|
{
|
|
[self setSelectedRange: NSMakeRange(0,[self textLength])];
|
|
}
|
|
|
|
/*
|
|
* Managing Font and Color
|
|
*/
|
|
- (NSFont*) font
|
|
{
|
|
// FIXME: Should take the font of the first text, if there is some
|
|
return default_font;
|
|
}
|
|
|
|
// 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 searchRange = selected_range;
|
|
NSRange foundRange;
|
|
int maxSelRange;
|
|
|
|
for (maxSelRange = NSMaxRange(selected_range);
|
|
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]]];
|
|
}
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
}
|
|
|
|
- (void)setFont: (NSFont*)obj
|
|
{
|
|
ASSIGN(default_font, obj);
|
|
}
|
|
|
|
- (void)setFont: (NSFont *)font ofRange: (NSRange)range
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
if (font != nil)
|
|
{
|
|
[rtfContent addAttribute: NSFontAttributeName value: font
|
|
range: range];
|
|
[self rebuildForCharacterRange: range];
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Managing Alingment
|
|
//
|
|
- (NSTextAlignment)alignment
|
|
{
|
|
return alignment;
|
|
}
|
|
|
|
- (void)setAlignment: (NSTextAlignment)mode
|
|
{
|
|
alignment = mode;
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
|
|
- (void) alignCenter: sender
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
[rtfContent setAlignment: NSCenterTextAlignment range: selected_range];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
else
|
|
[self setAlignment: NSCenterTextAlignment];
|
|
}
|
|
|
|
- (void) alignLeft: sender
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
[rtfContent setAlignment: NSLeftTextAlignment range: selected_range];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
else
|
|
[self setAlignment: NSLeftTextAlignment];
|
|
}
|
|
|
|
- (void) alignRight: sender
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
[rtfContent setAlignment: NSRightTextAlignment range: selected_range];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
else
|
|
[self setAlignment: NSRightTextAlignment];
|
|
}
|
|
|
|
//
|
|
// Text colour
|
|
//
|
|
- (NSColor*) textColor
|
|
{
|
|
return text_color;
|
|
}
|
|
|
|
- (void) setTextColor: (NSColor*)color range: (NSRange)range
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
if (color)
|
|
[rtfContent addAttribute: NSForegroundColorAttributeName
|
|
value: color
|
|
range: range];
|
|
}
|
|
}
|
|
|
|
- (void) setColor: (NSColor*)color ofRange: (NSRange)range
|
|
{
|
|
[self setTextColor: color range: range];
|
|
}
|
|
|
|
- (void) setTextColor: (NSColor *)color
|
|
{
|
|
ASSIGN (text_color, color);
|
|
if (![self isRichText])
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
|
|
//
|
|
// Text attributes
|
|
//
|
|
- (void) subscript: sender
|
|
{
|
|
}
|
|
|
|
- (void) superscript: sender
|
|
{
|
|
}
|
|
|
|
- (void) underline: sender
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
BOOL doUnderline = YES;
|
|
if ([[rtfContent attribute: NSUnderlineStyleAttributeName
|
|
atIndex: selected_range.location
|
|
effectiveRange: NULL] intValue])
|
|
doUnderline = NO;
|
|
|
|
if (selected_range.length)
|
|
{
|
|
[rtfContent addAttribute: NSUnderlineStyleAttributeName
|
|
value: [NSNumber numberWithInt: doUnderline]
|
|
range: selected_range];
|
|
[self rebuildForCharacterRange: selected_range];
|
|
}
|
|
else // no redraw necess.
|
|
[[self typingAttributes]
|
|
setObject: [NSNumber numberWithInt: doUnderline]
|
|
forKey: NSUnderlineStyleAttributeName];
|
|
}
|
|
}
|
|
|
|
- (void) unscript: sender
|
|
{
|
|
if ([self isRichText])
|
|
{
|
|
if (selected_range.length)
|
|
{
|
|
[rtfContent removeAttribute: NSUnderlineStyleAttributeName
|
|
range: selected_range];
|
|
[self rebuildForCharacterRange: selected_range];
|
|
}
|
|
else // no redraw necess.
|
|
[[self typingAttributes]
|
|
removeObjectForKey: NSUnderlineStyleAttributeName];
|
|
}
|
|
}
|
|
|
|
//
|
|
// 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];
|
|
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;
|
|
}
|
|
|
|
- (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];
|
|
}
|
|
|
|
|
|
//
|
|
// 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;
|
|
}
|
|
|
|
- (void) sizeToFit
|
|
{
|
|
NSRect sizeToRect = _frame;
|
|
|
|
// if we are a field editor we don't have to handle the size.
|
|
if ([self isFieldEditor])
|
|
return;
|
|
|
|
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;
|
|
float newY;
|
|
NSRect tRect;
|
|
|
|
if (([[lineLayoutInformation lastObject] type]
|
|
== LineLayoutInfoType_Paragraph)
|
|
&& NSMaxY (rect) <= newHeight)
|
|
newHeight += [[lineLayoutInformation lastObject]
|
|
lineRect].size.height;
|
|
|
|
if ([[self superview] isKindOfClass: [NSClipView class]])
|
|
tRect = [(NSClipView*)[self superview] documentVisibleRect];
|
|
else
|
|
tRect = _bounds;
|
|
|
|
if (currentCursorY < tRect.size.height + tRect.origin.y -
|
|
[[lineLayoutInformation lastObject] lineRect].size.height)
|
|
newY = sizeToRect.origin.y;
|
|
else if (currentCursorY > tRect.size.height + tRect.origin.y -
|
|
[[lineLayoutInformation lastObject] lineRect].size.height)
|
|
{
|
|
newY = currentCursorY - tRect.size.height +
|
|
([[lineLayoutInformation lastObject] lineRect].size.height * 2);
|
|
[(NSClipView *)[self superview] scrollToPoint:
|
|
NSMakePoint (sizeToRect.origin.x, newY)];
|
|
}
|
|
else
|
|
NSLog(@" ========= > Oops!\n");
|
|
|
|
newHeight = MIN(maxSize.height,MAX(newHeight,minSize.height));
|
|
sizeToRect = NSMakeRect(sizeToRect.origin.x,sizeToRect.origin.y,
|
|
sizeToRect.size.width,newHeight);
|
|
}
|
|
else
|
|
sizeToRect = NSMakeRect(0,0,minSize.width,minSize.height);
|
|
}
|
|
|
|
if (!NSEqualSizes(_frame.size,sizeToRect.size)) {
|
|
[self setFrame: sizeToRect]; //[self setFrameSize: sizeToRect.size];
|
|
}
|
|
}
|
|
|
|
//
|
|
// Spelling
|
|
//
|
|
|
|
- (void) checkSpelling: sender
|
|
{
|
|
NSRange errorRange
|
|
= [[NSSpellChecker sharedSpellChecker]
|
|
checkSpellingOfString: [self string]
|
|
startingAt: NSMaxRange (selected_range)];
|
|
|
|
if (errorRange.length)
|
|
[self setSelectedRange: errorRange];
|
|
else
|
|
NSBeep();
|
|
}
|
|
|
|
- (void) showGuessPanel: sender
|
|
{
|
|
[[[NSSpellChecker sharedSpellChecker] spellingPanel] orderFront: self];
|
|
}
|
|
|
|
//
|
|
// Scrolling
|
|
//
|
|
|
|
- (void) scrollRangeToVisible: (NSRange)range
|
|
{
|
|
[self scrollRectToVisible:
|
|
NSUnionRect ([self rectForCharacterIndex:
|
|
selected_range.location],
|
|
[self rectForCharacterIndex:
|
|
NSMaxRange (selected_range)])];
|
|
}
|
|
|
|
/*
|
|
* Managing the Delegate
|
|
*/
|
|
- (id) delegate
|
|
{
|
|
return delegate;
|
|
}
|
|
|
|
- (void) setDelegate: (id)anObject
|
|
{
|
|
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
|
|
|
|
if (delegate)
|
|
[nc removeObserver: delegate name: nil object: self];
|
|
ASSIGN(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);
|
|
}
|
|
|
|
//
|
|
// Handling Events
|
|
//
|
|
- (void) mouseDown: (NSEvent *)theEvent
|
|
{
|
|
NSSelectionGranularity granularity = NSSelectByCharacter;
|
|
NSRange chosenRange, prevChosenRange, proposedRange;
|
|
NSPoint point, startPoint;
|
|
NSEvent *currentEvent;
|
|
unsigned startIndex;
|
|
BOOL didDragging = NO;
|
|
|
|
// If not selectable then don't recognize the mouse down
|
|
if (!is_selectable)
|
|
return;
|
|
|
|
if (![_window makeFirstResponder: self])
|
|
return;
|
|
|
|
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 (selected_range.length == 0) // remove old cursor
|
|
{
|
|
[self drawInsertionPointAtIndex: selected_range.location
|
|
color: nil turnedOn: NO];
|
|
}
|
|
else
|
|
[self drawSelectionAsRangeNoCaret: selected_range];
|
|
|
|
//<!> make this non - blocking (or make use of timed entries)
|
|
for (currentEvent = [_window
|
|
nextEventMatchingMask:
|
|
(NSLeftMouseDraggedMask|NSLeftMouseUpMask)];
|
|
[currentEvent type] != NSLeftMouseUp;
|
|
(currentEvent = [_window
|
|
nextEventMatchingMask:
|
|
(NSLeftMouseDraggedMask|NSLeftMouseUpMask)]),
|
|
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];
|
|
[_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)))];
|
|
[_window flushWindow];
|
|
}
|
|
else
|
|
{
|
|
[self drawRectNoSelection: [self visibleRect]];
|
|
[self drawSelectionAsRangeNoCaret: chosenRange];
|
|
[_window flushWindow];
|
|
}
|
|
|
|
didDragging = YES;
|
|
}
|
|
|
|
NSDebugLog(@"chosenRange. location = % d, length = %d\n",
|
|
(int)chosenRange.location, (int)chosenRange.length);
|
|
|
|
[self setSelectedRangeNoDrawing: chosenRange];
|
|
if (!didDragging)
|
|
[self drawSelectionAsRange: chosenRange];
|
|
else if (chosenRange.length == 0)
|
|
[self drawInsertionPointAtIndex: chosenRange.location
|
|
color: [NSColor blackColor] turnedOn: YES];
|
|
|
|
// remember for column stable cursor up/down
|
|
currentCursorX = [self rectForCharacterIndex: chosenRange.location].origin.x;
|
|
// remember for column stable cursor up/down
|
|
currentCursorY = [self rectForCharacterIndex: chosenRange.location].origin.y;
|
|
[self unlockFocus];
|
|
[_window flushWindow];
|
|
}
|
|
|
|
- (void) keyDown: (NSEvent *)theEvent
|
|
{
|
|
unsigned short keyCode;
|
|
|
|
// If not editable then don't recognize the key down
|
|
if (!is_editable)
|
|
{
|
|
[super keyDown: theEvent];
|
|
return;
|
|
}
|
|
|
|
keyCode = [theEvent keyCode];
|
|
|
|
// Some keys are extremely special if we are field editor
|
|
if ([self isFieldEditor])
|
|
{
|
|
int notNumber = NSIllegalTextMovement;
|
|
|
|
switch (keyCode)
|
|
{
|
|
case NSUpArrowFunctionKey:
|
|
notNumber = NSUpTextMovement;
|
|
break;
|
|
case NSDownArrowFunctionKey:
|
|
notNumber = NSDownTextMovement;
|
|
break;
|
|
case NSLeftArrowFunctionKey:
|
|
//notNumber = NSLeftTextMovement;
|
|
break;
|
|
case NSRightArrowFunctionKey:
|
|
//notNumber = NSRightTextMovement;
|
|
break;
|
|
case NSCarriageReturnKey:
|
|
notNumber = NSReturnTextMovement;
|
|
break;
|
|
case 0x09:
|
|
if ([theEvent modifierFlags] & NSShiftKeyMask)
|
|
notNumber = NSBacktabTextMovement;
|
|
else
|
|
notNumber = NSTabTextMovement;
|
|
break;
|
|
}
|
|
if (notNumber != NSIllegalTextMovement)
|
|
{
|
|
// This is similar to [self resignFirstResponder],
|
|
// with the difference that in the notification we need
|
|
// to put the NSTextMovement, which resignFirstResponder
|
|
// does not. Also, if we are ending editing, we are going
|
|
// to be removed, so it's useless to update any drawing.
|
|
NSNumber *number;
|
|
NSDictionary *uiDictionary;
|
|
|
|
if (([self isEditable])
|
|
&& ([delegate respondsToSelector:
|
|
@selector(textShouldEndEditing:)])
|
|
&& ([delegate textShouldEndEditing: self] == NO))
|
|
return;
|
|
|
|
// Add any clean-up stuff here
|
|
|
|
number = [NSNumber numberWithInt: notNumber];
|
|
uiDictionary = [NSDictionary dictionaryWithObject: number
|
|
forKey: @"NSTextMovement"];
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidEndEditingNotification
|
|
object: self
|
|
userInfo: uiDictionary];
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Special Characters for generic NSText
|
|
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 NSDeleteFunctionKey:
|
|
if (selected_range.location != [self textLength])
|
|
{
|
|
/* Not at the end of text -- delete following character */
|
|
[self deleteRange:
|
|
[self selectionRangeForProposedRange:
|
|
NSMakeRange (selected_range.location, 1)
|
|
granularity: NSSelectByCharacter]
|
|
backspace: NO];
|
|
return;
|
|
}
|
|
/* end of text: behave the same way as NSBackspaceKey */
|
|
case NSBackspaceKey:
|
|
[self deleteRange: selected_range backspace: YES];
|
|
return;
|
|
#if 1
|
|
case 0x6d: // end - key: debugging: enforce complete re - layout
|
|
[self rebuildLineLayoutInformation];
|
|
[self setNeedsDisplay: YES];
|
|
return;
|
|
#endif
|
|
#if 1
|
|
// TODO: Choose another key
|
|
case 0x45: // num - lock: debugging
|
|
NSLog ([lineLayoutInformation description]);
|
|
return;
|
|
#endif
|
|
case NSCarriageReturnKey:
|
|
NSLog (@"\bCarriage return.\b\n");
|
|
[self insertText: [[self class] newlineString]];
|
|
return;
|
|
}
|
|
|
|
// If the character(s) was not a special one, simply insert it.
|
|
[self insertText: [theEvent characters]];
|
|
}
|
|
|
|
- (BOOL) acceptsFirstResponder
|
|
{
|
|
if ([self isSelectable])
|
|
return YES;
|
|
else
|
|
return NO;
|
|
}
|
|
|
|
- (BOOL) resignFirstResponder
|
|
{
|
|
if (([self isEditable])
|
|
&& ([delegate respondsToSelector: @selector(textShouldEndEditing:)])
|
|
&& ([delegate textShouldEndEditing: self] == NO))
|
|
return NO;
|
|
|
|
// Add any clean-up stuff here
|
|
|
|
if ([self shouldDrawInsertionPoint])
|
|
{
|
|
[self drawInsertionPointAtIndex: selected_range.location
|
|
color: nil turnedOn: NO];
|
|
|
|
//<!> stop timed entry
|
|
}
|
|
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidEndEditingNotification
|
|
object: self];
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL) becomeFirstResponder
|
|
{
|
|
if ([self isSelectable] == NO)
|
|
return NO;
|
|
|
|
if (([delegate respondsToSelector: @selector(textShouldBeginEditing:)])
|
|
&& ([delegate textShouldBeginEditing: self] == NO))
|
|
return NO;
|
|
|
|
// Add any initialization stuff here.
|
|
|
|
//if ([self shouldDrawInsertionPoint])
|
|
// {
|
|
// [self lockFocus];
|
|
// [self drawInsertionPointAtIndex: selected_range.location
|
|
// color: [NSColor blackColor] turnedOn: YES];
|
|
// [self unlockFocus];
|
|
// //<!> restart timed entry
|
|
// }
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidBeginEditingNotification
|
|
object: self];
|
|
return YES;
|
|
}
|
|
|
|
- (void) drawRect: (NSRect)rect
|
|
{
|
|
if (displayDisabled)
|
|
return;
|
|
|
|
[self drawRectNoSelection: rect];
|
|
[self drawSelectionAsRange: selected_range];
|
|
}
|
|
|
|
// text lays out from top to bottom
|
|
- (BOOL) isFlipped
|
|
{
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL) isOpaque
|
|
{
|
|
if (draws_background == NO
|
|
|| background_color == nil
|
|
|| [background_color alphaComponent] < 1.0)
|
|
return NO;
|
|
else
|
|
return YES;
|
|
}
|
|
|
|
//
|
|
// NSCoding protocol
|
|
//
|
|
- (void)encodeWithCoder: aCoder
|
|
{
|
|
[super encodeWithCoder: aCoder];
|
|
|
|
[aCoder encodeConditionalObject: delegate];
|
|
|
|
[aCoder encodeObject: plainContent];
|
|
[aCoder encodeObject: rtfContent];
|
|
|
|
[aCoder encodeValueOfObjCType: "I" 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];
|
|
}
|
|
|
|
- initWithCoder: aDecoder
|
|
{
|
|
[super initWithCoder: aDecoder];
|
|
|
|
delegate = [aDecoder decodeObject];
|
|
|
|
plainContent = [aDecoder decodeObject];
|
|
rtfContent = [aDecoder decodeObject];
|
|
|
|
[aDecoder decodeValueOfObjCType: "I" 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];
|
|
background_color = [aDecoder decodeObject];
|
|
text_color = RETAIN([aDecoder decodeObject]);
|
|
default_font = RETAIN([aDecoder decodeObject]);
|
|
[aDecoder decodeValueOfObjCType: @encode(NSRange) at: &selected_range];
|
|
|
|
return self;
|
|
}
|
|
|
|
//
|
|
// NSChangeSpelling protocol
|
|
//
|
|
|
|
- (void) changeSpelling: sender
|
|
{
|
|
[self insertText: [[(NSControl*)sender selectedCell] stringValue]];
|
|
}
|
|
|
|
//
|
|
// NSIgnoreMisspelledWords protocol
|
|
//
|
|
- (void) ignoreSpelling: sender
|
|
{
|
|
[[NSSpellChecker sharedSpellChecker]
|
|
ignoreWord: [[(NSControl*)sender selectedCell] stringValue]
|
|
inSpellDocumentWithTag: [self spellCheckerDocumentTag]];
|
|
}
|
|
@end
|
|
|
|
@implementation NSText(GNUstepExtension)
|
|
|
|
+ (NSString*) newlineString
|
|
{
|
|
return @"\n";
|
|
}
|
|
|
|
- (void) replaceRange: (NSRange)range
|
|
withAttributedString: (NSAttributedString*)attrString
|
|
{
|
|
int start = [self lineLayoutIndexForCharacterIndex: range.location];
|
|
|
|
if ([self isRichText])
|
|
{
|
|
return [rtfContent replaceCharactersInRange: range
|
|
withAttributedString: attrString];
|
|
}
|
|
else
|
|
return [plainContent replaceCharactersInRange: range
|
|
withString: [attrString string]];
|
|
|
|
[self rebuildLineLayoutInformationStartingAtLine: start
|
|
delta: [attrString length] - range.length
|
|
actualLine: start];
|
|
[self setNeedsDisplay: YES];
|
|
}
|
|
|
|
- (unsigned) textLength
|
|
{
|
|
if ([self isRichText])
|
|
return [rtfContent length];
|
|
else
|
|
return [plainContent length];
|
|
}
|
|
|
|
- (void) disableDisplay
|
|
{
|
|
displayDisabled = YES;
|
|
}
|
|
|
|
- (void) reenableDisplay
|
|
{
|
|
displayDisabled = NO;
|
|
}
|
|
|
|
- (void) sizeToFit: sender
|
|
{
|
|
[self sizeToFit];
|
|
}
|
|
|
|
- (int) spellCheckerDocumentTag
|
|
{
|
|
if (!spellCheckerDocumentTag)
|
|
spellCheckerDocumentTag = [NSSpellChecker uniqueSpellDocumentTag];
|
|
|
|
return spellCheckerDocumentTag;
|
|
}
|
|
|
|
// central text inserting method (takes care
|
|
// of optimized redraw/ cursor positioning)
|
|
|
|
- (void) insertText: insertObjc
|
|
{
|
|
NSRange selectedRange = selected_range;
|
|
int lineIndex = [self lineLayoutIndexForCharacterIndex:
|
|
selectedRange.location];
|
|
int origLineIndex = lineIndex;
|
|
int caretLineIndex = lineIndex;
|
|
NSRange redrawLineRange;
|
|
NSString *insertString = nil;
|
|
|
|
if ([insertObjc isKindOfClass: [NSString class]])
|
|
insertString = insertObjc;
|
|
else
|
|
insertString = [insertObjc string];
|
|
|
|
// 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])
|
|
{
|
|
[self replaceRange: selected_range
|
|
withAttributedString: [insertObjc isKindOfClass:
|
|
[NSAttributedString class]]?
|
|
insertObjc:
|
|
[[[NSAttributedString alloc]
|
|
initWithString: insertString
|
|
attributes: [self typingAttributes]]
|
|
autorelease]];
|
|
}
|
|
else
|
|
{
|
|
[self replaceRange: selected_range withString: insertString];
|
|
}
|
|
redrawLineRange.length = [self rebuildLineLayoutInformationStartingAtLine:
|
|
redrawLineRange.location
|
|
delta:
|
|
[insertString length] - selectedRange.length
|
|
actualLine: caretLineIndex];
|
|
|
|
// ScrollView interaction
|
|
[self sizeToFit];
|
|
|
|
// move cursor <!> [self selectionRangeForProposedRange: ]
|
|
[self
|
|
setSelectedRange:
|
|
NSMakeRange (selected_range.location + [insertString length], 0)];
|
|
|
|
// remember x for row - stable cursor movements
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
selected_range.location].origin.x;
|
|
|
|
// remember x for row - stable cursor movements
|
|
currentCursorY = [self rectForCharacterIndex:
|
|
selected_range.location].origin.y;
|
|
|
|
redrawLineRange = NSIntersectionRange (redrawLineRange,
|
|
[self lineRangeForRect:
|
|
[self visibleRect]]);
|
|
[self redisplayForLineRange: redrawLineRange];
|
|
// broadcast notification
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidChangeNotification
|
|
object: self];
|
|
}
|
|
|
|
- (void) setTypingAttributes: (NSDictionary*) dict
|
|
{
|
|
if (![dict isKindOfClass: [NSMutableDictionary class]])
|
|
{
|
|
RELEASE(typingAttributes);
|
|
typingAttributes = [[NSMutableDictionary alloc] initWithDictionary: dict];
|
|
}
|
|
else
|
|
ASSIGN(typingAttributes, (NSMutableDictionary*)dict);
|
|
}
|
|
|
|
- (NSMutableDictionary*) typingAttributes
|
|
{
|
|
if (typingAttributes)
|
|
return typingAttributes;
|
|
else
|
|
return [NSMutableDictionary dictionaryWithDictionary:
|
|
[self defaultTypingAttributes]];
|
|
}
|
|
|
|
- (BOOL) shouldDrawInsertionPoint
|
|
{
|
|
return (selected_range.length == 0) && [self isEditable];
|
|
}
|
|
|
|
- (void) drawInsertionPointInRect: (NSRect)rect
|
|
color: (NSColor *)color
|
|
turnedOn: (BOOL)flag
|
|
{
|
|
BOOL didLock = NO;
|
|
|
|
if (!_window)
|
|
return;
|
|
|
|
if (_window && [[self class] focusView] != self)
|
|
{
|
|
[self lockFocus];
|
|
didLock = YES;
|
|
}
|
|
|
|
if (flag)
|
|
{
|
|
[color set];
|
|
NSRectFill(rect);
|
|
}
|
|
else
|
|
{
|
|
[[self backgroundColor] set];
|
|
NSRectFill(rect);
|
|
}
|
|
|
|
if (didLock)
|
|
{
|
|
[self unlockFocus];
|
|
[_window flushWindow];
|
|
}
|
|
}
|
|
|
|
- (NSRange) selectionRangeForProposedRange: (NSRange)proposedCharRange
|
|
granularity: (NSSelectionGranularity)granularity
|
|
{
|
|
NSCharacterSet *set = nil;
|
|
unsigned lastIndex = [self textLength] - 1;
|
|
unsigned lpos = MIN(lastIndex, proposedCharRange.location);
|
|
// <!>better: rpos = MAX(0,(int)NSMaxRange(proposedCharRange) - 1);
|
|
unsigned rpos = NSMaxRange(proposedCharRange);
|
|
NSString *string = [self string];
|
|
BOOL rmemberstate, lmemberstate;
|
|
|
|
if (![string length])
|
|
{
|
|
NSLog(@"We have no length, our range is 0,0\n");
|
|
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--;
|
|
|
|
if ([set characterIsMember: [string characterAtIndex: lpos]] != lmemberstate
|
|
&& lpos < proposedCharRange.location)
|
|
lpos++;
|
|
|
|
return MakeRangeFromAbs(lpos,rpos);
|
|
}
|
|
|
|
- (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]];
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation NSText(GNUstepPrivate)
|
|
//<!>
|
|
//this is sort of a botch up: rtf should be spilled out here
|
|
// in order to be OPENSTEP - compatible
|
|
// the way to go is surely implementing
|
|
// - (NSData *)RTFDFromRange: (NSRange)range
|
|
// documentAttributes: (NSDictionary *)dict; and friends.
|
|
// (NeXT OPENSTEP additions to NSAttributedString)
|
|
//
|
|
// 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 ; - )
|
|
+ (NSData*) dataForAttributedString: (NSAttributedString*) aString
|
|
{
|
|
return [NSArchiver archivedDataWithRootObject: aString];
|
|
}
|
|
|
|
//this is sort of a botch up: a rtf parser should come in here in order
|
|
// to be OPENSTEP - compatible
|
|
// 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 ; - )
|
|
// return value is guaranteed to be a NSAttributedString
|
|
// even if data is only NSString
|
|
+ (NSAttributedString*) attributedStringForData: (NSData*) aData
|
|
{
|
|
id erg = [NSUnarchiver unarchiveObjectWithData: aData];
|
|
if (![erg isKindOfClass: [NSAttributedString class]])
|
|
return [[[NSAttributedString alloc] initWithString: erg] autorelease];
|
|
else
|
|
return erg;
|
|
}
|
|
|
|
- (NSDictionary*) defaultTypingAttributes
|
|
{
|
|
return [NSDictionary dictionaryWithObjectsAndKeys:
|
|
default_font, NSFontAttributeName,
|
|
text_color, NSForegroundColorAttributeName,
|
|
nil];
|
|
}
|
|
|
|
- (void) setSelectionWordGranularitySet: (NSCharacterSet*) aSet
|
|
{
|
|
ASSIGN(selectionWordGranularitySet, aSet);
|
|
}
|
|
- (void) setSelectionParagraphGranularitySet: (NSCharacterSet*) aSet
|
|
{
|
|
ASSIGN(selectionParagraphGranularitySet, aSet);
|
|
}
|
|
|
|
|
|
/*
|
|
* Handle enabling/disabling of services menu items.
|
|
*/
|
|
- (id) validRequestorForSendType: (NSString*)sendType
|
|
returnType: (NSString*)returnType
|
|
{
|
|
if ((!sendType || [sendType isEqual: NSStringPboardType])
|
|
&& (!returnType || [returnType isEqual: NSStringPboardType]))
|
|
{
|
|
if ((selected_range.length || !sendType)
|
|
&& ([self isEditable] || !returnType))
|
|
{
|
|
return self;
|
|
}
|
|
}
|
|
return [super validRequestorForSendType: sendType
|
|
returnType: returnType];
|
|
|
|
}
|
|
|
|
// 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---------------------------------
|
|
|
|
|
|
- (BOOL) writeSelectionToPasteboard: (NSPasteboard*)pb
|
|
types: (NSArray*)sendTypes
|
|
{
|
|
NSArray *types;
|
|
NSString *string;
|
|
|
|
if ([sendTypes containsObject: NSStringPboardType] == NO)
|
|
{
|
|
return NO;
|
|
}
|
|
types = [NSArray arrayWithObjects: NSStringPboardType, nil];
|
|
[pb declareTypes: types owner: nil];
|
|
string = [self string];
|
|
string = [string substringWithRange: selected_range];
|
|
return [pb setString: string forType: NSStringPboardType];
|
|
}
|
|
|
|
// <!>
|
|
// handle font pasteboard as well!
|
|
// handle ruler pasteboard as well!
|
|
- (BOOL) performPasteOperation: (NSPasteboard*)pboard
|
|
{
|
|
// color accepting
|
|
if ([pboard availableTypeFromArray: [NSArray arrayWithObject:
|
|
NSColorPboardType]])
|
|
{
|
|
NSColor *color = [NSColor colorFromPasteboard: pboard];
|
|
|
|
if ([self isRichText])
|
|
{
|
|
[self setTextColor: color range: selected_range];
|
|
}
|
|
else
|
|
[self setTextColor: color];
|
|
return YES;
|
|
}
|
|
|
|
if ([self importsGraphics])
|
|
{
|
|
NSArray *types = [NSArray arrayWithObjects: NSFileContentsPboardType,
|
|
NSRTFDPboardType, NSRTFPboardType,
|
|
NSStringPboardType, NSTIFFPboardType, nil];
|
|
if ([[pboard availableTypeFromArray: types]
|
|
isEqualToString: NSRTFDPboardType])
|
|
{
|
|
[self insertText:
|
|
[[self class] attributedStringForData:
|
|
[pboard dataForType: NSRTFDPboardType]]];
|
|
}
|
|
else 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 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;
|
|
}
|
|
|
|
- (BOOL) readSelectionFromPasteboard: (NSPasteboard*)pb
|
|
{
|
|
return [self performPasteOperation: pb];
|
|
}
|
|
|
|
|
|
- (void) redisplayForLineRange: (NSRange) redrawLineRange
|
|
{
|
|
BOOL didLock = NO;
|
|
|
|
if (_window && [[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 = _frame.size.width - displayRect.origin.x;
|
|
[[self backgroundColor] set];
|
|
NSRectFill (displayRect);
|
|
|
|
[self drawLinesInLineRange: redrawLineRange];
|
|
[self drawSelectionAsRange: selected_range];
|
|
}
|
|
|
|
if ([self drawsBackground]) // clean up the remaining area under text of us
|
|
{
|
|
float lowestY = 0;
|
|
NSRect myFrame = _frame;
|
|
|
|
if ([lineLayoutInformation count])
|
|
lowestY = NSMaxY ([[lineLayoutInformation lastObject] lineRect]);
|
|
|
|
if (![lineLayoutInformation count]
|
|
|| (lowestY < NSMaxY(myFrame)
|
|
&& myFrame.size.height <= [self minSize].height))
|
|
{
|
|
[[self backgroundColor] set];
|
|
NSRectFill (NSMakeRect (0, lowestY, myFrame.size.width,
|
|
NSMaxY (myFrame) - lowestY));
|
|
if (![lineLayoutInformation count]
|
|
|| [[lineLayoutInformation lastObject]
|
|
type] == LineLayoutInfoType_Paragraph)
|
|
[self drawSelectionAsRange: selected_range];
|
|
}
|
|
}
|
|
|
|
if (didLock)
|
|
{
|
|
[self unlockFocus];
|
|
[_window flushWindow];
|
|
}
|
|
}
|
|
|
|
- (void) rebuildForCharacterRange: (NSRange) aRange
|
|
{
|
|
NSRange redrawLineRange;
|
|
int start = [self lineLayoutIndexForCharacterIndex: aRange.location];
|
|
int count = [self rebuildLineLayoutInformationStartingAtLine: start
|
|
delta: aRange.length
|
|
actualLine: aRange.location];
|
|
|
|
redrawLineRange = NSMakeRange (MAX (0, start - 1), count + 1);
|
|
redrawLineRange = NSIntersectionRange (redrawLineRange,
|
|
[self lineRangeForRect:
|
|
[self visibleRect]]);
|
|
[self redisplayForLineRange: redrawLineRange];
|
|
|
|
//NSLog (NSStringFromRange (redrawLineRange));
|
|
}
|
|
|
|
|
|
// central text deletion/backspace method
|
|
// (takes care of optimized redraw/ cursor positioning)
|
|
- (void) deleteRange: (NSRange) aRange backspace: (BOOL) flag
|
|
{
|
|
int redrawLineIndex, caretLineIndex, firstLineIndex;
|
|
int lastLineIndex, linePosition;
|
|
NSRange redrawLineRange;
|
|
NSRange deleteRange;
|
|
|
|
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)];
|
|
|
|
// since first word may move upward
|
|
redrawLineIndex = MAX (0, firstLineIndex - 1);
|
|
|
|
if (firstLineIndex
|
|
&& [[lineLayoutInformation objectAtIndex: firstLineIndex - 1]
|
|
type] == LineLayoutInfoType_Paragraph)
|
|
{
|
|
_GNULineLayoutInfo *upperInfo
|
|
= [lineLayoutInformation objectAtIndex: firstLineIndex];
|
|
_GNULineLayoutInfo *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])
|
|
[rtfContent deleteCharactersInRange: deleteRange];
|
|
else
|
|
[plainContent deleteCharactersInRange: deleteRange];
|
|
|
|
redrawLineRange.length
|
|
= [self rebuildLineLayoutInformationStartingAtLine: redrawLineRange.location
|
|
delta: - deleteRange.length
|
|
actualLine: caretLineIndex];
|
|
|
|
// ScrollView interaction
|
|
[self sizeToFit];
|
|
|
|
// move cursor <!> [self selectionRangeForProposedRange: ]
|
|
[self setSelectedRange: NSMakeRange (deleteRange.location, 0)];
|
|
|
|
// remember x for row - stable cursor movements
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
selected_range.location].origin.x;
|
|
|
|
// remember x for row - stable cursor movements
|
|
currentCursorY = [self rectForCharacterIndex:
|
|
selected_range.location].origin.y;
|
|
|
|
redrawLineRange
|
|
= NSIntersectionRange (redrawLineRange,
|
|
[self lineRangeForRect: [self visibleRect]]);
|
|
[self redisplayForLineRange: redrawLineRange];
|
|
|
|
// broadcast notification
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextDidChangeNotification
|
|
object: self];
|
|
}
|
|
|
|
- (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;
|
|
|
|
/* Do nothing if we are at beginning of text */
|
|
if (selected_range.location == 0)
|
|
return;
|
|
|
|
if (selected_range.length)
|
|
{
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
selected_range.location].origin.x;
|
|
currentCursorY = [self rectForCharacterIndex:
|
|
selected_range.location].origin.y;
|
|
}
|
|
cursorIndex = selected_range.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]];
|
|
|
|
// FIXME: Terrible hack.
|
|
[self insertText: @""];
|
|
}
|
|
|
|
- (void) moveCursorDown: sender
|
|
{
|
|
unsigned cursorIndex;
|
|
NSRect cursorRect;
|
|
|
|
/* Do nothing if we are at end of text */
|
|
if (selected_range.location == [self textLength])
|
|
return;
|
|
|
|
if (selected_range.length)
|
|
{
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
NSMaxRange (selected_range)].origin.x;
|
|
currentCursorY = [self rectForCharacterIndex:
|
|
NSMaxRange (selected_range)].origin.y;
|
|
}
|
|
cursorIndex = selected_range.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]];
|
|
// FIXME: Terrible hack.
|
|
[self insertText: @""];
|
|
}
|
|
|
|
- (void) moveCursorLeft: sender
|
|
{
|
|
/* Do nothing if we are at beginning of text */
|
|
if (selected_range.location == 0)
|
|
return;
|
|
|
|
[self setSelectedRange:
|
|
[self selectionRangeForProposedRange:
|
|
NSMakeRange (selected_range.location - 1, 0)
|
|
granularity: NSSelectByCharacter]];
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
selected_range.location].origin.x;
|
|
}
|
|
|
|
- (void) moveCursorRight: sender
|
|
{
|
|
/* Do nothing if we are at end of text */
|
|
if (selected_range.location == [self textLength])
|
|
return;
|
|
|
|
[self setSelectedRange:
|
|
[self selectionRangeForProposedRange:
|
|
NSMakeRange (MIN (NSMaxRange (selected_range) + 1,
|
|
[self textLength]), 0)
|
|
granularity: NSSelectByCharacter]];
|
|
currentCursorX = [self rectForCharacterIndex:
|
|
selected_range.location].origin.x;
|
|
}
|
|
|
|
- (NSRange) characterRangeForBoundingRect: (NSRect)boundsRect
|
|
{
|
|
NSRange lineRange = [self lineRangeForRect: boundsRect];
|
|
|
|
if (lineRange.length)
|
|
return MakeRangeFromAbs ([[lineLayoutInformation
|
|
objectAtIndex: lineRange.location]
|
|
lineRange].location,
|
|
NSMaxRange ([[lineLayoutInformation
|
|
objectAtIndex:
|
|
NSMaxRange (lineRange)]
|
|
lineRange]));
|
|
else
|
|
return NSMakeRange (0, 0);
|
|
}
|
|
|
|
|
|
- (unsigned) characterIndexForPoint: (NSPoint)point
|
|
{
|
|
int i;
|
|
NSEnumerator *lineEnum;
|
|
_GNULineLayoutInfo *currentInfo;
|
|
|
|
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]);
|
|
|
|
// this loop holds some optimization potential (linear search)
|
|
if (NSPointInRect (point, rect))
|
|
{
|
|
int retPos = 0;
|
|
NSRange range = [currentInfo lineRange];
|
|
|
|
for (retPos = range.location; retPos<= NSMaxRange(range); retPos++)
|
|
// this loop holds some optimization potential (linear search)
|
|
{
|
|
if ([self _sizeOfRange:
|
|
NSMakeRange (range.location,
|
|
retPos - range.location)].width
|
|
>= point.x)
|
|
return MAX (0, retPos - 1);
|
|
}
|
|
return range.location;
|
|
}
|
|
}
|
|
NSLog (@"NSText's characterIndexForPoint: index not found!");
|
|
return 0;
|
|
}
|
|
|
|
- (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;
|
|
}
|
|
|
|
// 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, _frame.size.width,
|
|
[[[self class] newlineString]
|
|
sizeWithAttributes: attributes].height);
|
|
|
|
if (index >= NSMaxRange([[lineLayoutInformation lastObject] lineRange]))
|
|
{
|
|
NSRect rect = [[lineLayoutInformation lastObject] lineRect];
|
|
if (NSMaxX (rect) >= _frame.size.width)
|
|
{
|
|
return NSMakeRect (0, NSMaxY(rect),
|
|
_frame.size.width, rect.size.height);
|
|
}
|
|
return NSMakeRect (NSMaxX (rect), rect.origin.y,
|
|
_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];
|
|
NSSize stringSize
|
|
= [self _sizeOfRange:
|
|
MakeRangeFromAbs (range.location, index)];
|
|
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;
|
|
|
|
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];
|
|
|
|
// this loop holds some optimization potential (linear search)
|
|
for (retPos = range.location; retPos<= NSMaxRange (range); retPos++)
|
|
{
|
|
if ([self _sizeOfRange:
|
|
NSMakeRange (range.location,
|
|
retPos - range.location)].width
|
|
>= point.x)
|
|
return [lineLayoutInformation indexOfObject: currentInfo];
|
|
}
|
|
return [lineLayoutInformation indexOfObject: currentInfo];
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// internal method <!> range is currently not passed as absolute
|
|
- (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;
|
|
|
|
if (0 && isRich)
|
|
{
|
|
advanceSize = [rtfContent sizeRange:
|
|
NSMakeRange (startingLineCharIndex, 1)];
|
|
}
|
|
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]];
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
// private helper function
|
|
static unsigned
|
|
_relocLayoutArray (NSMutableArray *lineLayoutInformation,
|
|
NSArray *ghostArray,
|
|
int aLine,
|
|
int relocOffset,
|
|
int rebuildLineDrift,
|
|
float yReloc)
|
|
{
|
|
// lines actually updated (optimized drawing)
|
|
unsigned ret = [lineLayoutInformation count] - aLine;
|
|
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;
|
|
}
|
|
|
|
|
|
// begin: central line formatting method---------------------------------------
|
|
// returns count of lines actually updated
|
|
// <!> detachNewThreadSelector: selector toTarget: target withObject: argument;
|
|
|
|
- (int) rebuildLineLayoutInformationStartingAtLine: (int) aLine
|
|
delta: (int) insertionDelta
|
|
actualLine: (int) insertionLineIndex
|
|
{
|
|
NSDictionary *attributes = [self defaultTypingAttributes];
|
|
NSPoint drawingPoint = NSZeroPoint;
|
|
NSScanner *pScanner;
|
|
float width = _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;
|
|
|
|
if (!lineLayoutInformation)
|
|
lineLayoutInformation = [[NSMutableArray alloc] init];
|
|
else
|
|
{
|
|
// remember old array for optimization purposes
|
|
ghostArray
|
|
= [lineLayoutInformation
|
|
subarrayWithRange:
|
|
NSMakeRange (aLine, [lineLayoutInformation count] - aLine)];
|
|
// every time an object is added to lineLayoutInformation
|
|
// a nextObject has to be performed on prevArrayEnum!
|
|
prevArrayEnum = [ghostArray seekableEnumerator];
|
|
}
|
|
|
|
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;
|
|
}
|
|
// keep paragraph - terminating space on same line as paragraph
|
|
if ((((int)[lineLayoutInformation count]) - 1) >= aLine)
|
|
{
|
|
_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
|
|
|
|
parsedString = [[self string] substringFromIndex: startingIndex];
|
|
pScanner = [NSScanner scannerWithString: parsedString];
|
|
[pScanner setCharactersToBeSkipped: nil];
|
|
while ([pScanner isAtEnd] == NO)
|
|
{
|
|
NSScanner *lScanner;
|
|
NSString *paragraph;
|
|
NSRange paragraphRange, leadingNlRange, trailingNlRange;
|
|
unsigned currentLoc = [pScanner scanLocation];
|
|
unsigned startingParagraphIndex = currentLoc + startingIndex;
|
|
unsigned startingLineCharIndex = startingParagraphIndex;
|
|
BOOL isBuckled = NO, inBuckling = NO;
|
|
|
|
leadingNlRange
|
|
= scanRange(pScanner, selectionParagraphGranularitySet);
|
|
paragraphRange
|
|
= scanRange(pScanner, invSelectionParagraphGranularitySet);
|
|
trailingNlRange
|
|
= scanRange(pScanner, selectionParagraphGranularitySet);
|
|
|
|
if (leadingNlRange.length > 0)
|
|
{
|
|
[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;
|
|
}
|
|
|
|
// each line
|
|
paragraph = [parsedString substringWithRange: paragraphRange];
|
|
lScanner = [NSScanner scannerWithString: paragraph];
|
|
[lScanner setCharactersToBeSkipped: nil];
|
|
while ([lScanner isAtEnd] == NO)
|
|
{
|
|
NSRect currentLineRect = NSMakeRect (0, drawingPoint.y, 0, 0);
|
|
// starts with zero, do not confuse with startingLineCharIndex
|
|
unsigned localLineStartIndex = [lScanner scanLocation];
|
|
NSSize advanceSize = NSZeroSize;
|
|
|
|
// scan the individual words to the end of the line
|
|
for (; ![lScanner isAtEnd]; drawingPoint.x += advanceSize.width)
|
|
{
|
|
NSRange currentStringRange, trailingSpacesRange;
|
|
NSRange leadingSpacesRange;
|
|
unsigned scannerPosition = [lScanner scanLocation];
|
|
|
|
// snack next word
|
|
|
|
// leading spaces: only first time
|
|
leadingSpacesRange
|
|
= scanRange(lScanner, selectionWordGranularitySet);
|
|
currentStringRange
|
|
= scanRange(lScanner, invSelectionWordGranularitySet);
|
|
trailingSpacesRange
|
|
= scanRange(lScanner, selectionWordGranularitySet);
|
|
|
|
if (leadingSpacesRange.length)
|
|
currentStringRange = NSUnionRange(leadingSpacesRange,
|
|
currentStringRange);
|
|
if (trailingSpacesRange.length)
|
|
currentStringRange = NSUnionRange(trailingSpacesRange,
|
|
currentStringRange);
|
|
|
|
// evaluate size of current word and line so far
|
|
advanceSize = [self _sizeOfRange:
|
|
NSMakeRange (currentStringRange.location +
|
|
paragraphRange.location +
|
|
startingIndex,
|
|
currentStringRange.length)];
|
|
|
|
currentLineRect = NSUnionRect (currentLineRect,
|
|
NSMakeRect (drawingPoint.x,
|
|
drawingPoint.y,
|
|
advanceSize.width,
|
|
advanceSize.height));
|
|
|
|
// handle case where single word is broader than width
|
|
// (buckle word) <!> unfinished and untested
|
|
// for richText (absolute position see above)
|
|
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--)
|
|
{
|
|
currentSize = [self _sizeOfRange:
|
|
MakeRangeFromAbs (startingLineCharIndex,
|
|
lastVisibleCharIndex)];
|
|
}
|
|
isBuckled = NO;
|
|
inBuckling = YES;
|
|
scannerPosition
|
|
= localLineStartIndex
|
|
+ (lastVisibleCharIndex - startingLineCharIndex);
|
|
currentLineRect.size.width = advanceSize.width = width;
|
|
}
|
|
else
|
|
{
|
|
// undo layout of extralarge word
|
|
// (will be done the next line [see above])
|
|
isBuckled = YES;
|
|
currentLineRect.size.width -= advanceSize.width;
|
|
}
|
|
}
|
|
|
|
// end of line -> word wrap
|
|
|
|
// >= : wichtig för abknicken (isBuckled)
|
|
if (!isHorizontallyResizable
|
|
&& (currentLineRect.size.width >= width || isBuckled)) {
|
|
_GNULineLayoutInfo *ghostInfo = nil, *thisInfo;
|
|
|
|
// undo layout of last word
|
|
[lScanner setScanLocation: scannerPosition];
|
|
|
|
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);
|
|
|
|
// y displacement: redisplay all remaining lines
|
|
if (frameshiftCorrection)
|
|
erg = [lineLayoutInformation count] - aLine;
|
|
else if (currentLineIndex - 1 == insertionLineIndex
|
|
&& ABS(insertionDelta) == 1)
|
|
{
|
|
// return 2: redisplay only this and previous line
|
|
erg = 2;
|
|
}
|
|
#if 0
|
|
NSLog(@"opti for: %d",erg);
|
|
#endif
|
|
return erg;
|
|
}
|
|
}
|
|
// end: optimization stuff--------------------------
|
|
// -----------------------------------------------
|
|
break;
|
|
|
|
// newline - induced premature lineending: flush
|
|
}
|
|
else if ([lScanner isAtEnd])
|
|
{
|
|
_GNULineLayoutInfo *thisInfo;
|
|
scannerPosition = [lScanner 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
|
|
{
|
|
// new array obviously longer than the previous one
|
|
prevArrayEnum = nil;
|
|
}
|
|
// end: optimization stuff------------------------------
|
|
// -------------------------------------------
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// add the trailing newlines of current paragraph if any
|
|
if (trailingNlRange.length)
|
|
{
|
|
[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;
|
|
}
|
|
}
|
|
|
|
// lines actually updated (optimized drawing)
|
|
return [lineLayoutInformation count] - aLine;
|
|
}
|
|
// end: central line formatting method------------------------------------
|
|
|
|
- (int) rebuildLineLayoutInformationStartingAtLine: (int) aLine
|
|
{
|
|
return [self rebuildLineLayoutInformationStartingAtLine: aLine
|
|
delta: 0 actualLine: 0];
|
|
}
|
|
|
|
- (int) rebuildLineLayoutInformation
|
|
{
|
|
// force complete re - layout
|
|
RELEASE(lineLayoutInformation);
|
|
lineLayoutInformation = nil;
|
|
return [self rebuildLineLayoutInformationStartingAtLine: 0
|
|
delta: 0
|
|
actualLine: 0];
|
|
}
|
|
|
|
// relies on lineLayoutInformation
|
|
- (void) drawLinesInLineRange: (NSRange) aRange
|
|
{
|
|
BOOL isRich = [self isRichText];
|
|
|
|
if (NSMaxRange (aRange) > MAX (0, [lineLayoutInformation count] - 1))
|
|
{
|
|
// lay out lines before drawing them
|
|
[self rebuildLineLayoutInformationStartingAtLine:
|
|
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
|
|
|
|
if (isRich)
|
|
{
|
|
[rtfContent drawRange: [currentInfo lineRange]
|
|
atPoint: [currentInfo lineRect].origin];
|
|
// <!> make this use drawRange: inRect: in the future
|
|
// (for proper adoption of layout information [e.g. centering])
|
|
}
|
|
else
|
|
{
|
|
[[plainContent substringWithRange: [currentInfo lineRange]]
|
|
drawAtPoint: [currentInfo lineRect].origin
|
|
withAttributes: attributes];
|
|
// <!> make this use drawInRect: withAttributes: in the future
|
|
// (for proper adoption of layout information [e.g. centering])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
- (NSRange) lineRangeForRect: (NSRect) rect
|
|
{
|
|
NSPoint upperLeftPoint = rect.origin;
|
|
NSPoint lowerRightPoint = NSMakePoint (NSMaxX (rect), NSMaxY (rect));
|
|
NSRange myTest;
|
|
unsigned startLine, endLine;
|
|
|
|
startLine = [self lineLayoutIndexForPoint: upperLeftPoint];
|
|
endLine = [self lineLayoutIndexForPoint: lowerRightPoint];
|
|
//FIXME return MakeRangeFromAbs (startLine, endLine + 1);
|
|
if ([plainContent length] != 0)
|
|
{
|
|
myTest = MakeRangeFromAbs (startLine, endLine + 1);
|
|
NSDebugLog(@"myTest: length = %d, location = %d\n",
|
|
(int)myTest.length,
|
|
(int)myTest.location);
|
|
return myTest;
|
|
}
|
|
else
|
|
{
|
|
myTest = MakeRangeFromAbs (startLine, endLine);
|
|
NSDebugLog (@"myTest: length = %d, location = %d\n",
|
|
(int)myTest.length,
|
|
(int)myTest.location);
|
|
return myTest;
|
|
}
|
|
}
|
|
|
|
- (void) drawRectNoSelection: (NSRect)rect
|
|
{
|
|
NSRange redrawLineRange;
|
|
|
|
// bootstrap layout information
|
|
// for [self lineLayoutIndexForCharacterIndex: anIndex] to work initially
|
|
if (![lineLayoutInformation count])
|
|
{
|
|
[self rebuildLineLayoutInformationStartingAtLine: 0];
|
|
}
|
|
|
|
redrawLineRange = [self lineRangeForRect: rect];
|
|
|
|
if ([self drawsBackground])
|
|
{
|
|
// clear area under text
|
|
[[self backgroundColor] set];
|
|
NSRectFill(rect);
|
|
}
|
|
|
|
[self drawLinesInLineRange: redrawLineRange];
|
|
}
|
|
|
|
- (void) drawInsertionPointAtIndex: (unsigned)index
|
|
color: (NSColor*)color
|
|
turnedOn: (BOOL)flag
|
|
{
|
|
NSRect startRect = [self rectForCharacterIndex: index];
|
|
NSRect drawRect;
|
|
|
|
drawRect = NSMakeRect (startRect.origin.x, startRect.origin.y,
|
|
1, startRect.size.height);
|
|
[self drawInsertionPointInRect: drawRect
|
|
color: [NSColor blackColor]
|
|
turnedOn: flag];
|
|
}
|
|
|
|
- (void) drawSelectionAsRangeNoCaret: (NSRange) aRange
|
|
{
|
|
if (aRange.length)
|
|
{
|
|
NSRect startRect = [self rectForCharacterIndex: aRange.location];
|
|
NSRect 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
|
|
|
|
// first line
|
|
NSHighlightRect (NSMakeRect (startRect.origin.x, startRect.origin.y,
|
|
_frame.size.width - startRect.origin.x,
|
|
startRect.size.height));
|
|
// second line
|
|
NSHighlightRect (NSMakeRect (0, endRect.origin.y, endRect.origin.x,
|
|
endRect.size.height));
|
|
|
|
}
|
|
else
|
|
{
|
|
// 3 Rects: multiline selection
|
|
|
|
// first line
|
|
NSHighlightRect (NSMakeRect (startRect.origin.x, startRect.origin.y,
|
|
_frame.size.width - startRect.origin.x,
|
|
startRect.size.height));
|
|
// intermediate lines
|
|
NSHighlightRect (NSMakeRect (0, NSMaxY(startRect),
|
|
_frame.size.width,
|
|
endRect.origin.y - NSMaxY (startRect)));
|
|
// last line
|
|
NSHighlightRect (NSMakeRect (0, endRect.origin.y, endRect.origin.x,
|
|
endRect.size.height));
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void) drawSelectionAsRange: (NSRange) aRange
|
|
{
|
|
if (aRange.length)
|
|
{
|
|
[self drawSelectionAsRangeNoCaret: aRange];
|
|
}
|
|
else
|
|
{
|
|
[self drawInsertionPointAtIndex: aRange.location
|
|
color: [NSColor blackColor]
|
|
turnedOn: YES];
|
|
}
|
|
}
|
|
|
|
// low level selection setting including delegation
|
|
- (void) setSelectedRangeNoDrawing: (NSRange)range
|
|
{
|
|
#if 0
|
|
//<!> ask delegate for selection validation
|
|
#endif
|
|
selected_range = range;
|
|
#if 0
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName: NSTextViewDidChangeSelectionNotification
|
|
object: self
|
|
userInfo: [NSDictionary
|
|
dictionaryWithObjectsAndKeys:
|
|
NSStringFromRange (selected_range),
|
|
NSOldSelectedCharacterRange, nil]];
|
|
#endif
|
|
}
|
|
|
|
- (NSSize) _sizeOfRange: (NSRange)range
|
|
{
|
|
if (!range.length)
|
|
return NSZeroSize;
|
|
|
|
if ([self isRichText])
|
|
{
|
|
return [[rtfContent attributedSubstringFromRange: range] size];
|
|
}
|
|
else
|
|
{
|
|
// FIXME: should we use the default or the current typing attribs?
|
|
return [[plainContent substringWithRange: range]
|
|
sizeWithAttributes: [self defaultTypingAttributes]];
|
|
}
|
|
}
|
|
@end
|