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Mostly rewritten - should no longer crash with new internals, and be quite
better git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@14675 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero
parent
5859fd473f
commit
67c953ddfe
1 changed files with 65 additions and 148 deletions
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@ -7,6 +7,9 @@
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Author: Gregory John Casamento <borgheron@yahoo.com>
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Date: 2000
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Author: Nicola Pero <nicola@brainstorm.co.uk>
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Date: October 2002
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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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@ -35,243 +38,157 @@
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#include <AppKit/NSEvent.h>
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#include "GSSimpleLayoutManager.h"
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/* Other secure subclasses */
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/* 'Secure' subclasses */
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@interface NSSecureTextView : NSTextView
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{
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}
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{}
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@end
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@interface GSSimpleSecureLayoutManager : GSSimpleLayoutManager
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{
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}
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{}
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@end
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@implementation NSSecureTextField
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/*
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==============
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+initialize
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==============
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*/
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+ (void) initialize
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{
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if (self == [NSSecureTextField class]) {
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[self setVersion:1];
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}
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if (self == [NSSecureTextField class])
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{
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[self setVersion:2];
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}
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}
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/*
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============
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+ cellClass
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============
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*/
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+ (Class) cellClass
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{
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// Hard code here to make sure no other class can be used.
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/* Hard code here to make sure no other class is used. */
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return [NSSecureTextFieldCell class];
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}
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/*
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============
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+ setCellClass
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============
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*/
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+ (void) setCellClass: (Class)factoryId
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{
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// Ward off interlopers with a stern message.
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/* Ward off interlopers with a stern message. */
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[NSException raise: NSInvalidArgumentException
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format: @"NSSecureTextField can only use NSSecureTextFieldCells in order to ensure security."];
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format: @"NSSecureTextField only uses NSSecureTextFieldCells."];
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}
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/*
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==============
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-initWithFrame:
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==============
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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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[_cell setEchosBullets: YES];
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self = [super initWithFrame: frameRect];
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[self setEchosBullets: YES];
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return self;
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}
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/*
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==============
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-initWithCoder:
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==============
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*/
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- (id) initWithCoder:(NSCoder *)decoder
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- (void) setEchosBullets: (BOOL)flag
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{
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BOOL echosBullets = YES;
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[super initWithCoder: decoder];
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[decoder decodeValueOfObjCType: @encode(BOOL) at: &echosBullets];
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[_cell setEchosBullets: echosBullets];
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return self;
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[_cell setEchosBullets: flag];
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}
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- (void) textDidEndEditing: (NSNotification *)aNotification
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- (BOOL) echosBullets
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{
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[_text_object setText: [[aNotification object] text]];
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[super textDidEndEditing: aNotification];
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return [_cell echosBullets];
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}
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@end /* NSSecureTextField */
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@implementation NSSecureTextFieldCell
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/*
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==============
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+initialize
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==============
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*/
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+ (void)initialize
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{
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if (self == [NSSecureTextFieldCell class])
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[self setVersion:1];
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}
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/*
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==================================
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+_sharedSecureFieldEditorInstance
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==================================
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*/
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+ (id)_sharedSecureFieldEditorInstance
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{
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static NSSecureTextView *secureView = nil;
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if( secureView == nil )
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{
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secureView = [[NSSecureTextView alloc] init];
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[secureView setFieldEditor: YES];
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[secureView setText: @""];
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[self setVersion:2];
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}
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return secureView;
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}
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/*
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===============
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-echosBullets
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===============
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*/
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- (BOOL)echosBullets
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- (BOOL) echosBullets
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{
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return i_echosBullets;
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return _echosBullets;
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}
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/*
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================
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+setEchosBullets:
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================
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*/
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- (void)setEchosBullets:(BOOL)flag
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/* Functionality not implemented. */
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- (void) setEchosBullets: (BOOL)flag
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{
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i_echosBullets = flag;
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_echosBullets = flag;
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}
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/*
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===============
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-drawInteriorWithFrame:
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===============
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*/
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- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
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- (void) drawInteriorWithFrame: (NSRect)cellFrame
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inView: (NSView *)controlView
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{
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// do nothing....
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/* Do nothing. */
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}
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/*
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* Editing Text
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*/
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- (void) editWithFrame: (NSRect)aRect
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inView: (NSView*)controlView
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editor: (NSText*)textObject
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delegate: (id)anObject
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event: (NSEvent*)theEvent
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- (NSText *) setUpFieldEditorAttributes: (NSText *)textObject
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{
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id l_editor = [NSSecureTextFieldCell _sharedSecureFieldEditorInstance];
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/* Replace the text object with a secure instance. It's not shared. */
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textObject = [NSSecureTextView new];
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AUTORELEASE (textObject);
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[l_editor setText: [textObject text]];
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[super editWithFrame: aRect
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inView: controlView
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editor: l_editor
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delegate: anObject
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event: theEvent];
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return [super setUpFieldEditorAttributes: textObject];
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}
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- (void) selectWithFrame: (NSRect)aRect
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inView: (NSView*)controlView
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editor: (NSText*)textObject
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delegate: (id)anObject
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start: (int)selStart
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length: (int)selLength
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- (id) initWithCoder:(NSCoder *)decoder
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{
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id l_editor = [NSSecureTextFieldCell _sharedSecureFieldEditorInstance];
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[super initWithCoder: decoder];
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[decoder decodeValueOfObjCType: @encode(BOOL) at: &_echosBullets];
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[l_editor setText: [textObject text]];
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[super selectWithFrame: aRect
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inView: controlView
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editor: l_editor
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delegate: anObject
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start: selStart
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length: selLength];
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return self;
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}
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- (void) encodeWithCoder: (NSCoder *)aCoder
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{
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[super encodeWithCoder: aCoder];
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[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_echosBullets];
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}
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@end
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@implementation GSSimpleSecureLayoutManager
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- (void) drawGlyphsForGlyphRange: (NSRange)glyphRange
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atPoint: (NSPoint)containerOrigin
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{
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// do nothing...
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/* Do nothing. */
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}
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@end
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@implementation NSSecureTextView
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/* Class methods */
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+ (void) initialize
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{
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if ([self class] == [NSSecureTextView class])
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{
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[self setVersion: 1];
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[self registerForServices];
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}
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}
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- (id) initWithFrame: (NSRect)frameRect
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textContainer: (NSTextContainer*)aTextContainer
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{
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NSTextContainer *aTextContainer =
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[[NSTextContainer alloc] initWithContainerSize: frameRect.size];
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GSSimpleSecureLayoutManager *layoutManager = [[GSSimpleSecureLayoutManager alloc] init];
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[super initWithFrame: frameRect];
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[layoutManager addTextContainer: aTextContainer];
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RELEASE(aTextContainer);
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GSSimpleSecureLayoutManager *m;
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_textStorage = [[NSTextStorage alloc] init];
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[_textStorage addLayoutManager: layoutManager];
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RELEASE(layoutManager);
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/* Perform the normal init. */
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[super initWithFrame: frameRect textContainer: aTextContainer];
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return [self initWithFrame: frameRect textContainer: aTextContainer];
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/* Then, replace the layout manager with a
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* GSSimpleSecureLayoutManager. */
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m = [[GSSimpleSecureLayoutManager alloc] init];
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AUTORELEASE (m);
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[[self textContainer] replaceLayoutManager: m];
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[self setFieldEditor: YES];
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return self;
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}
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- (void) copy: (id)sender
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{
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// Do nothing since copying from a NSSecureTextView is *not* permitted.
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/* Do nothing since copying from a NSSecureTextView is not permitted. */
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}
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- (BOOL) writeSelectionToPasteboard: (NSPasteboard*)pboard
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types: (NSArray*)types
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{
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/* Returns NO since the selection should never be
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written to the pasteboard */
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/* Return NO since the selection should never be written to the
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* pasteboard */
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return NO;
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}
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- (id) validRequestorForSendType: (NSString*) sendType
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returnType: (NSString*) returnType
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{
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/* return "nil" to indicate that no type can be sent to the pasteboard for
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an object of this class */
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/* Return nil to indicate that no type can be sent to the pasteboard
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* for an object of this class. */
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return nil;
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}
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@end
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