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/* StringDrawing-test.m: Display an ASCII file in a scrollview
Copyright (C) 2000 Free Software Foundation, Inc.
Author: Nicola Pero <n.pero@mi.flashnet.it>
Date: 2000
This file is part of GNUstep.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <Foundation/Foundation.h>
#include <AppKit/AppKit.h>
#include <GNUstepGUI/GSVbox.h>
#include "../GSTestProtocol.h"
/*
* This test is included to show to people how
* they can simply and reliably display simple texts to the user in their
* GNUstep progs using the current (0.6.5) GNUstep libraries -- waiting for
* the full NSText* classes.
*
* Simply, you create your NSString (with newlines inside it if you want)
* and then ask the string to draw itself where you want,
* with -drawInRect:WithAttributes:
* You can easily pass attributes, such as color, font, etc.
*
*/
/*
* A trivial view showing an attributed string.
*/
@interface TrivialTextView: NSView
{
NSAttributedString *attr;
}
-(void) setAttributedString: (NSAttributedString *)s;
-(void) sizeToFit;
@end
@implementation TrivialTextView: NSView
{
NSAttributedString *attr;
}
-(void) dealloc
{
TEST_RELEASE (attr);
[super dealloc];
}
-(void) setAttributedString: (NSAttributedString *)s
{
ASSIGN (attr, s);
}
-(void) sizeToFit
{
if (attr)
[self setFrameSize: [attr size]];
else
[self setFrameSize: NSZeroSize];
}
-(void) drawRect: (NSRect)rect
{
if (attr)
[attr drawInRect: [self bounds]];
}
@end
/*
* Now the real test
*/
@interface StringDrawingTest: NSObject <GSTest>
{
TrivialTextView *text;
NSWindow *win;
}
-(void) restart;
@end
@implementation StringDrawingTest: NSObject
{
// for instance variables see above
}
-(id) init
{
GSVbox *vbox;
NSButton *button;
NSScrollView *scrollView;
text = [TrivialTextView new];
/* Minimum size we want it to have */
scrollView = [[NSScrollView alloc]
initWithFrame: NSMakeRect (0, 0, 60, 60)];
[scrollView setDocumentView: text];
[text release];
[scrollView setHasHorizontalScroller: YES];
[scrollView setHasVerticalScroller: YES];
[scrollView setBorderType: NSBezelBorder];
[scrollView setAutoresizingMask: (NSViewWidthSizable
| NSViewHeightSizable)];
button = [NSButton new];
[button setTitle: @"Choose Text File To Display..."];
[button sizeToFit];
[button setAutoresizingMask: NSViewMinXMargin];
[button setTarget: self];
[button setAction: @selector (chooseTextFile:)];
vbox = [GSVbox new];
[vbox setBorder: 5];
[vbox setDefaultMinYMargin: 5];
[vbox addView: button
enablingYResizing: NO];
[vbox addView: scrollView];
[vbox setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
win = [[NSWindow alloc] initWithContentRect: NSMakeRect (100, 100, 500, 250)
styleMask: (NSTitledWindowMask
| NSClosableWindowMask
| NSMiniaturizableWindowMask
| NSResizableWindowMask)
backing: NSBackingStoreBuffered
defer: NO];
[win setReleasedWhenClosed: NO];
[win setContentView: vbox];
[vbox release];
[win setTitle: @"StringDrawing Test"];
[self restart];
return self;
}
- (void) dealloc
{
// NB: text is automatically released releasing win,
// since it is a subview of win.
RELEASE(win);
[super dealloc];
}
- (void) restart
{
[win orderFront: nil];
[[NSApplication sharedApplication] addWindowsItem: win
title: @"StringDrawing Test"
filename: NO];
}
-(void) chooseTextFile: (id) sender
{
NSOpenPanel *openPanel;
int result;
openPanel = [NSOpenPanel openPanel];
[openPanel setTitle: @"Open Text File"];
[openPanel setTreatsFilePackagesAsDirectories: YES];
[openPanel setAllowsMultipleSelection: NO];
result = [openPanel runModalForDirectory: NSHomeDirectory ()
file: nil
types: nil];
if (result == NSOKButton)
{
NSString *string;
NSDictionary *dict;
NSAttributedString *attr;
string = [NSString stringWithContentsOfFile: [openPanel filename]];
dict = [NSDictionary dictionaryWithObjectsAndKeys:
[NSFont systemFontOfSize: 0],
NSFontAttributeName,
[NSColor textColor],
NSForegroundColorAttributeName,
nil];
attr = [[[NSAttributedString alloc] initWithString: string
attributes: dict] autorelease];
[text setAttributedString: attr];
[text sizeToFit];
/* It is a bit exagerated to redisplay all the window but anyway. */
[win display];
}
}
@end
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