mirror of
https://github.com/gnustep/libs-gui.git
synced 2025-04-25 11:21:04 +00:00
a31b592058
For now, it only contains GSUtil_sizeOfMultilineStringWithFont(). git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@6256 72102866-910b-0410-8b05-ffd578937521
77 lines
2.8 KiB
Objective-C
77 lines
2.8 KiB
Objective-C
/*
|
|
GSUtil.m
|
|
|
|
Some utility functions that are shared by several classes.
|
|
|
|
|
|
Copyright (C) 1996 Free Software Foundation, Inc.
|
|
|
|
Author: Pascal J. Bourguignon <pjb@imaginet.fr>
|
|
Date: 2000-03-10
|
|
Modifications:
|
|
Date:
|
|
|
|
This file is part of the GNUstep GUI Library.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with this library; see the file COPYING.LIB.
|
|
If not, write to the Free Software Foundation,
|
|
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#include "GSUtil.h"
|
|
|
|
|
|
NSSize GSUtil_sizeOfMultilineStringWithFont(NSString* string,NSFont* font)
|
|
{
|
|
static NSCharacterSet* newlines=nil;
|
|
if(newlines==nil){
|
|
// Let's build a character set containing only newline characters.
|
|
NSMutableCharacterSet* ms;
|
|
NSCharacterSet* whitespace;
|
|
whitespace=[NSCharacterSet whitespaceCharacterSet];
|
|
ms=[[NSCharacterSet whitespaceAndNewlineCharacterSet] mutableCopy];
|
|
[ms formIntersectionWithCharacterSet:[whitespace invertedSet]];
|
|
newlines=[ms copy];
|
|
RELEASE(ms);
|
|
}
|
|
// TODO: Improve this method to split string by any char of newlines.
|
|
{
|
|
NSSize result;
|
|
NSArray* lines=[string componentsSeparatedByString:@"\n"];
|
|
int lineCount=[lines count];
|
|
int oneLineHeight=[font boundingRectForFont].size.height;
|
|
switch(lineCount){
|
|
case 0:
|
|
result=NSMakeSize(0,oneLineHeight);
|
|
case 1:
|
|
result=NSMakeSize([font widthOfString:string],
|
|
oneLineHeight);
|
|
default:{
|
|
int maxWidth=0;
|
|
NSEnumerator* lineEnum=[lines objectEnumerator];
|
|
NSString* curLine;
|
|
while(0!=(curLine=[lineEnum nextObject])){
|
|
int width=[font widthOfString:curLine];
|
|
if(maxWidth<width){
|
|
maxWidth=width;
|
|
}
|
|
}
|
|
result=NSMakeSize(maxWidth,lineCount*oneLineHeight);
|
|
}
|
|
}//switch
|
|
return(result);
|
|
}
|
|
}//GSUtil_sizeOfMultilineStringWithFont;
|
|
|
|
|
|
/*** GSUtil.m -- 2000-03-10 06:39:46 -- PJB ***/
|