92 lines
3.2 KiB
Objective-C
92 lines
3.2 KiB
Objective-C
//
|
|
// TransparentTextView.m
|
|
// Tux Paint
|
|
//
|
|
// Created by Martin Fuhrer on Wed Dec 12 2007.
|
|
// Copyright (c) 2007 Martin Fuhrer.
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
// (See COPYING.txt)
|
|
//
|
|
|
|
#import "TransparentTextView.h"
|
|
|
|
@implementation TransparentTextView
|
|
|
|
- (void)drawViewBackgroundInRect:(NSRect)rect
|
|
{
|
|
}
|
|
|
|
- (BOOL)isOpaque
|
|
{
|
|
return NO;
|
|
}
|
|
|
|
- (void)activateURLs
|
|
{
|
|
NSTextStorage* textStorage = [self textStorage];
|
|
NSString* string = [textStorage string];
|
|
NSRange searchRange = NSMakeRange(0, [string length]);
|
|
NSRange foundRange;
|
|
|
|
[textStorage beginEditing];
|
|
do
|
|
{
|
|
// assume that all URLs are enclosed between < >
|
|
foundRange = [string rangeOfString:@"<" options:0 range:searchRange];
|
|
|
|
if (foundRange.length > 0) //Did we find a URL?
|
|
{
|
|
NSURL* theURL;
|
|
NSMutableString* theURLString;
|
|
NSDictionary* linkAttributes;
|
|
NSRange endOfURLRange, range;
|
|
|
|
// restrict the searchRange so that it won't find the same string again
|
|
searchRange.location = foundRange.location + foundRange.length;
|
|
searchRange.length = [string length] - searchRange.location;
|
|
|
|
// assume the URL ends with >
|
|
endOfURLRange = [string rangeOfString:@">" options:0 range:searchRange];
|
|
|
|
// set foundRange's length to the length of the URL
|
|
foundRange.location++;
|
|
foundRange.length = endOfURLRange.location - foundRange.location;
|
|
|
|
// grab the URL from the text and format it properly
|
|
range = [[string substringWithRange:foundRange] rangeOfString:@"@"];
|
|
if (range.length > 0)
|
|
theURLString = [NSMutableString stringWithString:@"mailto:"];
|
|
else
|
|
theURLString = [NSMutableString stringWithString:@"http://"];
|
|
[theURLString appendString:[string substringWithRange:foundRange]];
|
|
|
|
// generate URL
|
|
theURL = [NSURL URLWithString:theURLString];
|
|
|
|
// make the link attributes
|
|
linkAttributes = [NSDictionary dictionaryWithObjectsAndKeys: theURL, NSLinkAttributeName,
|
|
[NSColor blueColor], NSForegroundColorAttributeName, nil];
|
|
|
|
// apply those attributes to the URL in the text
|
|
[textStorage addAttributes:linkAttributes range:foundRange];
|
|
}
|
|
}
|
|
while (foundRange.length != 0); //repeat the do block until it no longer finds anything
|
|
|
|
[textStorage endEditing];
|
|
}
|
|
|
|
@end
|