| /* |
| * Copyright (C) 2005 Apple Computer, Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "WebSearchableTextView.h" |
| #import "WebDocumentPrivate.h" |
| #import "WebTypesInternal.h" |
| |
| @interface NSString (_Web_StringTextFinding) |
| - (NSRange)findString:(NSString *)string selectedRange:(NSRange)selectedRange options:(unsigned)mask wrap:(BOOL)wrapFlag; |
| @end |
| |
| @implementation WebSearchableTextView |
| |
| - (BOOL)searchFor: (NSString *)string direction: (BOOL)forward caseSensitive: (BOOL)caseFlag wrap: (BOOL)wrapFlag; |
| { |
| if (![string length]) |
| return NO; |
| |
| BOOL lastFindWasSuccessful = NO; |
| NSString *textContents = [self string]; |
| unsigned textLength; |
| |
| if (textContents && (textLength = [textContents length])) { |
| NSRange range; |
| unsigned options = 0; |
| |
| if (!forward) |
| options |= NSBackwardsSearch; |
| |
| if (!caseFlag) |
| options |= NSCaseInsensitiveSearch; |
| |
| range = [textContents findString:string selectedRange:[self selectedRange] options:options wrap:wrapFlag]; |
| if (range.length) { |
| [self setSelectedRange:range]; |
| [self scrollRangeToVisible:range]; |
| lastFindWasSuccessful = YES; |
| } |
| } |
| |
| return lastFindWasSuccessful; |
| } |
| |
| - (void)copy:(id)sender |
| { |
| if ([self isRichText]) { |
| [super copy:sender]; |
| }else{ |
| //Convert CRLF to LF to workaround: 3105538 - Carbon doesn't convert text with CRLF to LF |
| NSMutableString *string = [[[self string] substringWithRange:[self selectedRange]] mutableCopy]; |
| [string replaceOccurrencesOfString:@"\r\n" withString:@"\n" options:0 range:NSMakeRange(0, [string length])]; |
| |
| NSPasteboard *pasteboard = [NSPasteboard generalPasteboard]; |
| [pasteboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:self]; |
| [pasteboard setString:string forType:NSStringPboardType]; |
| } |
| } |
| |
| - (NSRect)selectionRect |
| { |
| // Note that this method would work for any NSTextView; some day we might want to use it |
| // for an NSTextView that isn't a WebTextView. |
| NSRect result = NSZeroRect; |
| |
| // iterate over multiple selected ranges |
| NSEnumerator *rangeEnumerator = [[self selectedRanges] objectEnumerator]; |
| NSValue *rangeAsValue; |
| while ((rangeAsValue = [rangeEnumerator nextObject]) != nil) { |
| NSRange range = [rangeAsValue rangeValue]; |
| NSUInteger rectCount; |
| NSRectArray rectArray = [[self layoutManager] rectArrayForCharacterRange:range |
| withinSelectedCharacterRange:range |
| inTextContainer:[self textContainer] |
| rectCount:&rectCount]; |
| unsigned i; |
| // iterate over multiple rects in each selected range |
| for (i = 0; i < rectCount; ++i) { |
| NSRect rect = rectArray[i]; |
| if (NSEqualRects(result, NSZeroRect)) { |
| result = rect; |
| } else { |
| result = NSUnionRect(result, rect); |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| - (NSImage *)selectionImageForcingBlackText:(BOOL)forceBlackText |
| { |
| // This is here to complete the <WebDocumentSelection> protocol, but it was introduced after this |
| // class was deprecated so there's no implementation. |
| return nil; |
| } |
| |
| - (NSImage *)selectionImageForcingWhiteText:(BOOL)forceWhiteText |
| { |
| // This is here to complete the <WebDocumentSelection> protocol, but it was introduced after this |
| // class was deprecated so there's no implementation. |
| return nil; |
| } |
| |
| - (NSRect)selectionImageRect |
| { |
| // This is here to complete the <WebDocumentSelection> protocol, but it was introduced after this |
| // class was deprecated so there's no implementation. |
| return NSZeroRect; |
| } |
| |
| - (NSArray *)selectionTextRects |
| { |
| // This is here to complete the <WebDocumentSelection> protocol, but it was introduced after this |
| // class was deprecated so there's no implementation. |
| return nil; |
| } |
| |
| - (NSView *)selectionView |
| { |
| return self; |
| } |
| |
| - (NSArray *)pasteboardTypesForSelection |
| { |
| return [self writablePasteboardTypes]; |
| } |
| |
| - (void)writeSelectionWithPasteboardTypes:(NSArray *)types toPasteboard:(NSPasteboard *)pasteboard |
| { |
| [self writeSelectionToPasteboard:pasteboard types:types]; |
| } |
| |
| - (BOOL)supportsTextEncoding |
| { |
| return YES; |
| } |
| |
| - (NSString *)string |
| { |
| return [super string]; |
| } |
| |
| - (NSAttributedString *)attributedString |
| { |
| return [self attributedSubstringFromRange:NSMakeRange(0, [[self string] length])]; |
| } |
| |
| - (NSString *)selectedString |
| { |
| return [[self string] substringWithRange:[self selectedRange]]; |
| } |
| |
| - (NSAttributedString *)selectedAttributedString |
| { |
| return [self attributedSubstringFromRange:[self selectedRange]]; |
| } |
| |
| - (void)selectAll |
| { |
| [self setSelectedRange:NSMakeRange(0, [[self string] length])]; |
| } |
| |
| - (void)deselectAll |
| { |
| [self setSelectedRange:NSMakeRange(0,0)]; |
| } |
| |
| @end |
| |
| @implementation NSString (_Web_StringTextFinding) |
| |
| - (NSRange)findString:(NSString *)string selectedRange:(NSRange)selectedRange options:(unsigned)options wrap:(BOOL)wrap |
| { |
| BOOL forwards = (options & NSBackwardsSearch) == 0; |
| unsigned length = [self length]; |
| NSRange searchRange, range; |
| |
| // Our search algorithm, used in WebCore also, is to search in the selection first. If the found text is the |
| // entire selection, then we search again from just past the selection. |
| |
| if (forwards) { |
| // FIXME: If selectedRange has length of 0, we ignore it, which is appropriate for non-editable text (since |
| // a zero-length selection in non-editable is invisible). We might want to change this someday to only ignore the |
| // selection if its location is NSNotFound when the text is editable (and similarly for the backwards case). |
| searchRange.location = selectedRange.length > 0 ? selectedRange.location : 0; |
| searchRange.length = length - searchRange.location; |
| range = [self rangeOfString:string options:options range:searchRange]; |
| |
| // If found range matches (non-empty) selection, search again from just past selection |
| if (range.location != NSNotFound && NSEqualRanges(range, selectedRange)) { |
| searchRange.location = NSMaxRange(selectedRange); |
| searchRange.length = length - searchRange.location; |
| range = [self rangeOfString:string options:options range:searchRange]; |
| } |
| |
| // If not found, search again from the beginning. Make search range large enough that |
| // we'll find a match even if it partially overlapped the existing selection (including the |
| // case where it exactly matches the existing selection). |
| if ((range.length == 0) && wrap) { |
| searchRange.location = 0; |
| searchRange.length = selectedRange.location + selectedRange.length + [string length]; |
| if (searchRange.length > length) { |
| searchRange.length = length; |
| } |
| range = [self rangeOfString:string options:options range:searchRange]; |
| } |
| } else { |
| searchRange.location = 0; |
| searchRange.length = selectedRange.length > 0 ? NSMaxRange(selectedRange) : length; |
| range = [self rangeOfString:string options:options range:searchRange]; |
| |
| // If found range matches (non-empty) selection, search again from just before selection |
| if (range.location != NSNotFound && NSEqualRanges(range, selectedRange)) { |
| searchRange.location = 0; |
| searchRange.length = selectedRange.location; |
| range = [self rangeOfString:string options:options range:searchRange]; |
| } |
| |
| // If not found, search again from the end. Make search range large enough that |
| // we'll find a match even if it partially overlapped the existing selection (including the |
| // case where it exactly matches the existing selection). |
| if ((range.length == 0) && wrap) { |
| unsigned stringLength = [string length]; |
| if (selectedRange.location > stringLength) { |
| searchRange.location = selectedRange.location - stringLength; |
| } else { |
| searchRange.location = 0; |
| } |
| searchRange.length = length - searchRange.location; |
| range = [self rangeOfString:string options:options range:searchRange]; |
| } |
| } |
| return range; |
| } |
| |
| @end |
