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/** <title>NSHelpPanel</title>
Copyright (C) 1996 Free Software Foundation, Inc.
Author: Scott Christley <scottc@net-community.com>
Date: 1996
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 Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#import "AppKit/NSHelpPanel.h"
#import "AppKit/NSHelpManager.h"
#import "AppKit/NSScrollView.h"
#import "AppKit/NSTextView.h"
#import "AppKit/NSTextContainer.h"
#import "GSGuiPrivate.h"
@implementation NSApplication (NSHelpPanel)
- (void) orderFrontHelpPanel: sender
{
// This is implemented in NSHelpManager.m
[self showHelp: sender];
}
@end
@implementation NSHelpPanel
static NSString *_helpDirectory = nil;
static NSString *_helpFile = nil;
static NSHelpPanel *_sharedPanel = nil;
//
// Class methods
//
+ (void) initialize
{
if (self == [NSHelpPanel class])
{
// Initial version
[self setVersion: 1];
}
}
//
// Accessing the Help Panel
//
+ (NSHelpPanel*) sharedHelpPanel
{
if (_sharedPanel == nil)
{
return [self new];
}
return _sharedPanel;
}
+ (NSHelpPanel *) sharedHelpPanelWithDirectory: (NSString *)helpDirectory
{
[self setHelpDirectory: helpDirectory];
return [self sharedHelpPanel];
}
//
// Managing the Contents
//
+ (void) setHelpDirectory: (NSString *)helpDirectory
{
ASSIGN(_helpDirectory, helpDirectory);
}
//
// Attaching Help to Objects
//
+ (void) attachHelpFile: (NSString *)filename
markerName: (NSString *)markerName
to: (id)anObject
{
if ([filename isAbsolutePath] == NO)
{
filename = [[[NSHelpPanel sharedHelpPanel] helpDirectory]
stringByAppendingPathComponent: filename];
}
[[NSHelpManager sharedHelpManager] setContextHelp: (id)filename
forObject: anObject];
}
+ (void) detachHelpFrom: (id)anObject
{
[[NSHelpManager sharedHelpManager] removeContextHelpForObject: anObject];
}
//
// Instance methods
//
//
// Managing the Contents
//
- (void) addSupplement: (NSString *)helpDirectory
inPath: (NSString *)supplementPath
{
}
- (NSString *) helpDirectory
{
return _helpDirectory;
}
- (NSString *) helpFile
{
return _helpFile;
}
- (id) initWithContentRect: (NSRect)contentRect
styleMask: (NSUInteger)aStyle
backing: (NSBackingStoreType)bufferingType
defer: (BOOL)flag
{
if (_sharedPanel == nil)
{
NSScrollView *s;
NSTextView *v;
NSSize size;
/* We have a standard start size.
*/
contentRect = NSMakeRect(100,100,400,500);
self = [super initWithContentRect: contentRect
styleMask: NSTitledWindowMask|NSClosableWindowMask|NSResizableWindowMask
backing: NSBackingStoreBuffered
defer: NO];
if (nil == self)
return nil;
[self setReleasedWhenClosed: NO];
[self setTitle: _(@"Help")];
s = [[NSScrollView alloc] initWithFrame: contentRect];
[s setHasHorizontalScroller: YES];
[s setHasVerticalScroller: YES];
[s setAutoresizingMask: (NSViewWidthSizable | NSViewHeightSizable)];
[self setContentView: s];
RELEASE(s);
size = [NSScrollView contentSizeForFrameSize: contentRect.size
hasHorizontalScroller: YES
hasVerticalScroller: YES
borderType: NSNoBorder];
v = [[NSTextView alloc] initWithFrame: NSMakeRect(0, 0, size.width, size.height)];
[v setHorizontallyResizable: YES];
[v setVerticallyResizable: YES];
[v setEditable: NO];
[v setRichText: YES];
[v setMinSize: NSMakeSize (0, 0)];
[v setMaxSize: NSMakeSize (1E7, 1E7)];
[v setAutoresizingMask: NSViewHeightSizable | NSViewWidthSizable];
[[v textContainer] setContainerSize:
NSMakeSize (MAX(size.width, 0.0), 1e7)];
[[v textContainer] setWidthTracksTextView: YES];
[s setDocumentView: v];
RELEASE(v);
_sharedPanel = self;
}
else
{
RELEASE(self);
RETAIN(_sharedPanel);
}
return _sharedPanel;
}
//
// Showing Help
//
- (void) showFile: (NSString *)filename
atMarker: (NSString *)markerName
{
if ([filename isAbsolutePath] == NO)
{
filename = [[[NSHelpPanel sharedHelpPanel] helpDirectory]
stringByAppendingPathComponent: filename];
}
[[NSHelpManager sharedHelpManager] setContextHelp: (id)filename
forObject: self];
[self showHelpAttachedTo: self];
}
- (BOOL) showHelpAttachedTo: (id)anObject
{
return [[NSHelpManager sharedHelpManager]
showContextHelpForObject: anObject locationHint: NSZeroPoint];
}
//
// Printing
//
- (void) print: (id)sender
{
}
@end
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