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libs-gui/Source/NSDrawer.m
Fred Kiefer a612305757 First set of NSInteger/NSUInteger cleanup in gui. 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@36029 72102866-910b-0410-8b05-ffd578937521
2013-01-27 20:28:35 +00:00

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Objective-C
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/** <title>NSDrawer</title>
<abstract>The drawer class</abstract>
Copyright (C) 2001 Free Software Foundation, Inc.
Author: Douglas Simons <doug.simons@testplant.com>
Date: 2009
Author: Gregory Casamento <greg_casamento@yahoo.com>
Date: 2006
Author: Fred Kiefer <FredKiefer@gmx.de>
Date: 2001
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.
*/
#import <Foundation/NSCoder.h>
#import <Foundation/NSArchiver.h>
#import <Foundation/NSKeyedArchiver.h>
#import <Foundation/NSNotification.h>
#import <Foundation/NSException.h>
#import <Foundation/NSThread.h>
#import <Foundation/NSTimer.h>
#import "AppKit/NSWindow.h"
#import "AppKit/NSBox.h"
#import "AppKit/NSView.h"
#import "AppKit/NSDrawer.h"
#import "AppKit/NSGraphics.h"
static NSNotificationCenter *nc = nil;
@interface GSDrawerWindow : NSWindow
{
NSWindow *_parentWindow;
NSWindow *_pendingParentWindow;
NSDrawer *_drawer;
id _container;
NSBox *_borderBox;
NSSize _borderSize;
NSTimer *_timer;
NSRect _latestParentFrame;
BOOL _wasOpen;
}
- (NSRect) frameFromParentWindowFrameInState:(NSInteger)state;
// open/close
- (void) openOnEdge;
- (void) closeOnEdge;
- (void) slideOpen:(BOOL)opening;
- (void) startTimer;
- (void) stopTimer;
// window/drawer properties
- (void) setParentWindow: (NSWindow *)window;
- (NSWindow *) parentWindow;
- (void) setPendingParentWindow: (NSWindow *)window;
- (NSWindow *) pendingParentWindow;
- (void) setDrawer: (NSDrawer *)drawer;
- (NSDrawer *) drawer;
// handle notifications...
- (void) handleWindowDidBecomeKey: (NSNotification *)notification;
- (void) handleWindowClose: (NSNotification *)notification;
- (void) handleWindowMiniaturize: (NSNotification *)notification;
- (void) handleWindowDeminiaturize: (NSNotification *)notification;
- (void) handleWindowMove: (NSNotification *)notification;
@end
@implementation GSDrawerWindow
+ (void) initialize
{
if (self == [GSDrawerWindow class])
{
nc = [NSNotificationCenter defaultCenter];
[self setVersion: 0];
}
}
- (id) initWithContentRect: (NSRect)contentRect
styleMask: (NSUInteger)aStyle
backing: (NSBackingStoreType)bufferingType
defer: (BOOL)flag
{
if(NSIsEmptyRect(contentRect))
{
contentRect = NSMakeRect(0,0,100,100);
}
self = [super initWithContentRect: contentRect
styleMask: aStyle
backing: bufferingType
defer: flag];
if (self != nil)
{
NSRect rect = contentRect;
NSRect border = contentRect;
NSSize containerContentSize;
rect.origin.x += 6;
rect.origin.y += 6;
rect.size.width -= 16;
rect.size.height -= 16;
border.origin.x += 1;
border.origin.y += 1;
border.size.width -= 2;
border.size.height -= 2;
_borderBox = [[NSBox alloc] initWithFrame: border];
[_borderBox setTitle: @""];
[_borderBox setTitlePosition: NSNoTitle];
[_borderBox setBorderType: NSLineBorder];
[_borderBox setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
[_borderBox setContentViewMargins: NSMakeSize(0,0)];
[[super contentView] addSubview: _borderBox];
_container = [[NSBox alloc] initWithFrame: rect];
[_container setTitle: @""];
[_container setTitlePosition: NSNoTitle];
[_container setBorderType: NSBezelBorder];
[_container setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
[_container setContentViewMargins: NSMakeSize(2,2)];
[_borderBox addSubview: _container];
// determine the difference between the container's content size and the window content size
containerContentSize = [[_container contentView] frame].size;
_borderSize = NSMakeSize(contentRect.size.width - containerContentSize.width,
contentRect.size.height - containerContentSize.height);
}
return self;
}
- (id) container
{
return _container;
}
- (NSRect) frameFromParentWindowFrameInState:(NSInteger)state
{
NSRect newFrame = [_parentWindow frame];
CGFloat totalOffset = [_drawer leadingOffset] + [_drawer trailingOffset];
NSRectEdge edge = [_drawer preferredEdge];
BOOL opened = (state == NSDrawerOpenState || state == NSDrawerOpeningState);
NSSize size = [_parentWindow frame].size; // [_drawer maxContentSize];
NSRect windowContentRect = [[_parentWindow contentView] frame];
CGFloat windowHeightWithoutTitleBar = windowContentRect.origin.y + windowContentRect.size.height; // FIXME: This should probably add the toolbar height too, if the window has a toolbar
if (edge == NSMinXEdge) // left
{
if (opened)
newFrame.size.width = [_drawer minContentSize].width + _borderSize.width;
else
newFrame.size.width = 16;
newFrame.size.height = windowHeightWithoutTitleBar - totalOffset;
newFrame.origin.y += [_drawer trailingOffset];
if (opened)
newFrame.origin.x -= newFrame.size.width;
}
else if (edge == NSMinYEdge) // bottom
{
if (opened)
newFrame.size.height = [_drawer minContentSize].height + _borderSize.height;
else
newFrame.size.height = 16;
newFrame.size.width -= totalOffset;
newFrame.origin.x += [_drawer leadingOffset];
if (opened)
newFrame.origin.y -= newFrame.size.height;
}
else if (edge == NSMaxXEdge) // right
{
if (opened)
newFrame.size.width = [_drawer minContentSize].width + _borderSize.width;
else
newFrame.size.width = 16;
newFrame.size.height = windowHeightWithoutTitleBar - totalOffset;
newFrame.origin.y += [_drawer trailingOffset];
newFrame.origin.x += size.width;
if (!opened)
newFrame.origin.x -= newFrame.size.width;
}
else if (edge == NSMaxYEdge) // top
{
if (opened)
newFrame.size.height = [_drawer minContentSize].height + _borderSize.height;
else
newFrame.size.height = 16;
newFrame.size.width -= totalOffset;
newFrame.origin.x += [_drawer leadingOffset];
newFrame.origin.y += size.height; // put above the window
if (!opened)
newFrame.origin.y -= newFrame.size.height;
}
return newFrame;
}
- (BOOL) canBecomeKeyWindow
{
return YES;
}
- (BOOL) canBecomeMainWindow
{
return NO;
}
- (void) becomeKeyWindow
{
[_parentWindow orderFrontRegardless]; // so clicking on the drawer will bring the parent to the front
[super becomeKeyWindow];
}
/*
- (void) orderFront: (id)sender
{
NSPoint holdOrigin = [self frame].origin;
NSPoint newOrigin = NSMakePoint(-10000,-10000);
NSRect tempFrame = [self frame];
// order the window under the parent...
tempFrame.origin = newOrigin;
[self setFrame: tempFrame display: NO];
[super orderFront: sender];
// [_parentWindow orderWindow: NSWindowAbove relativeTo: [self windowNumber]];
tempFrame.origin = holdOrigin;
// [self setFrame: tempFrame display: YES];
}
*/
/*
- (void) orderFront: (id)sender
{
[super orderWindow:NSWindowBelow relativeTo:[_parentWindow windowNumber]];
}
*/
- (void) startTimer
{
NSTimeInterval time = 0.1;
_timer = [NSTimer scheduledTimerWithTimeInterval: time
target: self
selector: @selector(_timedWindowReset)
userInfo: nil
repeats: YES];
}
- (void) stopTimer
{
[_timer invalidate];
_timer = nil;
}
- (void) orderFrontRegardless
{
[self orderFront: self];
}
- (void) orderOut: (id)sender
{
[super orderOut: sender];
}
/*
- (void) orderWindow: (NSWindowOrderingMode)place relativeTo: (int)windowNum
{
NSLog(@"Ordering window....");
[super orderWindow: place relativeTo: windowNum];
}
*/
- (void) lockBorderBoxForSliding
{
// set the _borderBox to not resize during the slide, and attach it to the appropriate edge instead
NSRectEdge edge = [_drawer preferredEdge];
NSUInteger resizeMask = 0;
if (edge == NSMinXEdge) // left
{
resizeMask = NSViewMaxXMargin;
}
else if (edge == NSMinYEdge) // bottom
{
resizeMask = NSViewMaxYMargin;
}
else if (edge == NSMaxXEdge) // right
{
resizeMask = NSViewMinXMargin;
}
else if (edge == NSMaxYEdge) // top
{
resizeMask = NSViewMinYMargin;
}
[_borderBox setAutoresizingMask: resizeMask]; // don't resize -- just give appearance of sliding
}
- (void) unlockBorderBoxAfterSliding
{
// set the _borderBox to resize again
[_borderBox setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
}
- (void) openOnEdge
{
// prepare drawer contents before sliding...
NSRect frame = [self frameFromParentWindowFrameInState:NSDrawerOpenState];
[self setFrame:frame display: YES]; // make sure it's the full (open) size before locking the borderBox
if ([_parentWindow isVisible]) // don't order front until parent window is visible
{
[self lockBorderBoxForSliding];
[self orderFront: self];
[self slideOpen:YES];
[self performSelector:@selector(unlockBorderBoxAfterSliding) withObject:nil afterDelay:0.01];
}
[self startTimer];
}
- (void) closeOnEdge
{
NSRect frame;
[self stopTimer];
[self lockBorderBoxForSliding];
[self slideOpen:NO];
[self orderOut: self];
frame = [self frameFromParentWindowFrameInState:NSDrawerOpenState];
[self setFrame:frame display: YES]; // make sure it's the full (open) size again (offscreen) before unlocking
[self performSelector:@selector(unlockBorderBoxAfterSliding) withObject:nil afterDelay:0.01];
if (_pendingParentWindow != nil
&& _pendingParentWindow != _parentWindow)
{
[self setParentWindow: _pendingParentWindow];
ASSIGN(_pendingParentWindow, nil);
}
}
- (void) slideOpen:(BOOL)opening
{
NSRect frame = [self frameFromParentWindowFrameInState:(opening?NSDrawerClosedState:NSDrawerOpenState)];
NSRect newFrame = [self frameFromParentWindowFrameInState:(opening?NSDrawerOpenState:NSDrawerClosedState)];
NSTimeInterval slideDelay = 0.03;
NSDate *nextStop = [NSDate dateWithTimeIntervalSinceNow:slideDelay];
int count = 10;
CGFloat deltaX = (newFrame.origin.x - frame.origin.x) / count;
CGFloat deltaY = (newFrame.origin.y - frame.origin.y) / count;
CGFloat deltaW = (newFrame.size.width - frame.size.width) / count;
CGFloat deltaH = (newFrame.size.height - frame.size.height) / count;
while (count--)
{
frame.origin.x += deltaX;
frame.origin.y += deltaY;
frame.size.width += deltaW;
frame.size.height += deltaH;
[self setFrame: frame display: YES];
[NSThread sleepUntilDate:nextStop];
nextStop = [nextStop addTimeInterval:slideDelay];
}
[self setFrame:newFrame display: YES];
}
- (void) _resetWindowPosition
{
if ([_parentWindow isVisible]) // don't set our frame until parent window is visible
{
NSRect frame = [self frameFromParentWindowFrameInState:[_drawer state]];
[self setFrame: frame display: YES];
if (![self isVisible] && [_drawer state] != NSDrawerClosedState)
[self orderFront:self];
}
if ([self isVisible] && [_parentWindow isKeyWindow]) // do our best to maintain proper window ordering
{
[super orderFrontRegardless];
[_parentWindow orderFront:self];
}
}
- (void) _timedWindowReset
{
NSRect frame = [_parentWindow frame];
if (!NSEqualRects(frame, _latestParentFrame))
{
[self _resetWindowPosition];
_latestParentFrame = frame;
}
}
- (void) handleWindowClose: (NSNotification *)notification
{
[self stopTimer];
[self close];
}
- (void) handleWindowMiniaturize: (NSNotification *)notification
{
_wasOpen = ([_drawer state] == NSDrawerOpenState);
if (_wasOpen)
{
// It would be nice to call [self closeOnEdge] here, but the parent window is already closing
// (with animation) so it doesn't look right to slide the drawer. So we'll do this instead:
[self stopTimer];
[self close];
}
}
- (void) handleWindowDeminiaturize: (NSNotification *)notification
{
if (_wasOpen)
{
//[self openOnEdge]; -- this also doesn't work: see comment above
_latestParentFrame = NSMakeRect(0,0,0,0);
[self startTimer];
}
}
- (void) handleWindowMove: (NSNotification *)notification
{
[self _resetWindowPosition];
}
- (void) handleWindowDidBecomeKey: (NSNotification *)notification
{
if([_drawer state] == NSDrawerOpenState)
{
[self _resetWindowPosition];
}
}
- (void) setParentWindow: (NSWindow *)window
{
if (_parentWindow != window)
{
[super setParentWindow: window];
ASSIGN(_parentWindow, window);
[nc removeObserver: self];
if (_parentWindow != nil)
{
[self _resetWindowPosition];
// add observers....
[nc addObserver: self
selector: @selector(handleWindowClose:)
name: NSWindowWillCloseNotification
object: _parentWindow];
[nc addObserver: self
selector: @selector(handleWindowMiniaturize:)
name: NSWindowWillMiniaturizeNotification
object: _parentWindow];
[nc addObserver: self
selector: @selector(handleWindowDeminiaturize:)
name: NSWindowDidDeminiaturizeNotification
object: _parentWindow];
[nc addObserver: self
selector: @selector(handleWindowMove:)
name: NSWindowWillMoveNotification
object: _parentWindow];
[nc addObserver: self
selector: @selector(handleWindowMove:)
name: NSWindowDidResizeNotification
object: _parentWindow];
[nc addObserver: self
selector: @selector(handleWindowDidBecomeKey:)
name: NSWindowDidBecomeKeyNotification
object: _parentWindow];
}
}
}
- (NSWindow *) parentWindow
{
return _parentWindow;
}
- (void) setPendingParentWindow: (NSWindow *)window
{
ASSIGN(_pendingParentWindow, window);
}
- (NSWindow *) pendingParentWindow
{
return _pendingParentWindow;
}
- (void) setDrawer: (NSDrawer *)drawer
{
// don't retain, since the drawer retains us...
_drawer = drawer;
}
- (NSDrawer *) drawer
{
return _drawer;
}
- (void) dealloc
{
[self stopTimer];
RELEASE(_parentWindow);
RELEASE(_borderBox);
TEST_RELEASE(_pendingParentWindow);
[super dealloc];
}
@end
@implementation NSDrawer
+ (void) initialize
{
if (self == [NSDrawer class])
{
nc = [NSNotificationCenter defaultCenter];
[self setVersion: 0];
}
}
// Creation
- (id) init
{
return [self initWithContentSize: NSMakeSize(100,100)
preferredEdge: NSMinXEdge];
}
- (id) initWithContentSize: (NSSize)contentSize
preferredEdge: (NSRectEdge)edge
{
self = [super init];
// initialize the drawer window...
_drawerWindow = [[GSDrawerWindow alloc]
initWithContentRect: NSMakeRect(0, 0, contentSize.width,
contentSize.height)
styleMask: 0
backing: NSBackingStoreBuffered
defer: NO];
[_drawerWindow setDrawer: self];
[_drawerWindow setReleasedWhenClosed: NO];
_preferredEdge = edge;
_currentEdge = edge;
_maxContentSize = NSMakeSize(200,200);
_minContentSize = contentSize; //NSMakeSize(50,50);
if (edge == NSMinXEdge || edge == NSMaxXEdge) {
_leadingOffset = 0.0; // for side drawers, top of drawer is immediately below the title bar
_trailingOffset = 10.0;
} else {
_leadingOffset = 10.0;
_trailingOffset = 10.0;
}
_state = NSDrawerClosedState;
return self;
}
- (void) dealloc
{
RELEASE(_drawerWindow);
if (_delegate != nil)
{
[nc removeObserver: _delegate name: nil object: self];
_delegate = nil;
}
[super dealloc];
}
// Opening and Closing
- (void) close
{
if (_state != NSDrawerOpenState)
return;
if ((_delegate != nil)
&& ([_delegate respondsToSelector: @selector(drawerShouldClose:)])
&& ![_delegate drawerShouldClose: self])
return;
_state = NSDrawerClosingState;
[nc postNotificationName: NSDrawerWillCloseNotification object: self];
[_drawerWindow closeOnEdge];
_state = NSDrawerClosedState;
[nc postNotificationName: NSDrawerDidCloseNotification object: self];
}
- (void) close: (id)sender
{
[self close];
}
- (void) open
{
[self openOnEdge: _preferredEdge];
}
- (void) open: (id)sender
{
[self open];
}
- (void) openOnEdge: (NSRectEdge)edge
{
if ((_state != NSDrawerClosedState)
|| ([self parentWindow] == nil))
return;
if ((_delegate != nil)
&& ([_delegate respondsToSelector: @selector(drawerShouldOpen:)])
&& ![_delegate drawerShouldOpen: self])
return;
_state = NSDrawerOpeningState;
[nc postNotificationName: NSDrawerWillOpenNotification object: self];
_currentEdge = edge;
[_drawerWindow openOnEdge];
_state = NSDrawerOpenState;
[nc postNotificationName: NSDrawerDidOpenNotification object: self];
}
- (void) toggle: (id)sender
{
if (_state == NSDrawerClosedState)
[self open: sender];
else if (_state == NSDrawerOpenState)
[self close: sender];
// Do nothing for inbetween states
}
// Managing Size
- (NSSize) contentSize
{
return [[_drawerWindow contentView] frame].size;
}
- (CGFloat) leadingOffset
{
return _leadingOffset;
}
- (NSSize) maxContentSize
{
return _maxContentSize;
}
- (NSSize) minContentSize
{
return _minContentSize;
}
- (void) setContentSize: (NSSize)size
{
// Check with min and max size
if (size.width < _minContentSize.width)
size.width = _minContentSize.width;
if (size.height < _minContentSize.height)
size.height = _minContentSize.height;
if (size.width > _maxContentSize.width)
size.width = _maxContentSize.width;
if (size.height > _maxContentSize.height)
size.height = _maxContentSize.height;
// Check with delegate
if ((_delegate != nil)
&& ([_delegate respondsToSelector:
@selector(drawerWillResizeContents:toSize:)]))
{
size = [_delegate drawerWillResizeContents: self
toSize: size];
}
[_drawerWindow setContentSize: size];
}
- (void) setLeadingOffset: (CGFloat)offset
{
_leadingOffset = offset;
}
- (void) setMaxContentSize: (NSSize)size
{
_maxContentSize = size;
}
- (void) setMinContentSize: (NSSize)size
{
_minContentSize = size;
}
- (void) setTrailingOffset: (CGFloat)offset
{
_trailingOffset = offset;
}
- (CGFloat) trailingOffset
{
return _trailingOffset;
}
// Managing Edge
- (NSRectEdge) edge
{
return _currentEdge;
}
- (NSRectEdge) preferredEdge
{
return _preferredEdge;
}
- (void) setPreferredEdge: (NSRectEdge)preferredEdge
{
_preferredEdge = preferredEdge;
}
// Managing Views
- (NSView *) contentView
{
return [[_drawerWindow container] contentView];
}
- (NSWindow *) parentWindow
{
return [_drawerWindow parentWindow];
}
- (void) setContentView: (NSView *)aView
{
[[_drawerWindow container] setContentView: aView];
}
- (void) setParentWindow: (NSWindow *)parent
{
if (_state == NSDrawerClosedState)
{
[_drawerWindow setParentWindow: parent];
}
else
{
[_drawerWindow setPendingParentWindow: parent];
}
}
// Delegation and State
- (id) delegate
{
return _delegate;
}
- (void) setDelegate: (id)anObject
{
if (_delegate)
{
[nc removeObserver: _delegate name: nil object: self];
}
_delegate = anObject;
#define SET_DELEGATE_NOTIFICATION(notif_name) \
if ([_delegate respondsToSelector: @selector(drawer##notif_name:)]) \
[nc addObserver: _delegate \
selector: @selector(drawer##notif_name:) \
name: NSDrawer##notif_name##Notification object: self]
SET_DELEGATE_NOTIFICATION(DidClose);
SET_DELEGATE_NOTIFICATION(DidOpen);
SET_DELEGATE_NOTIFICATION(WillClose);
SET_DELEGATE_NOTIFICATION(WillOpen);
}
- (NSInteger) state
{
return _state;
}
/*
* NSCoding protocol
*/
- (void) encodeWithCoder: (NSCoder*)aCoder
{
id parent = [self parentWindow];
[super encodeWithCoder: aCoder];
if ([aCoder allowsKeyedCoding])
{
[aCoder encodeSize: [self contentSize] forKey: @"NSContentSize"];
if (_delegate != nil)
{
[aCoder encodeObject: _delegate forKey: @"NSDelegate"];
}
[aCoder encodeFloat: _leadingOffset forKey: @"NSLeadingOffset"];
[aCoder encodeSize: _maxContentSize forKey: @"NSMaxContentSize"];
[aCoder encodeSize: _minContentSize forKey: @"NSMinContentSize"];
if (parent != nil)
{
[aCoder encodeObject: parent forKey: @"NSParentWindow"];
}
[aCoder encodeInt: _preferredEdge forKey: @"NSPreferredEdge"];
[aCoder encodeFloat: _trailingOffset forKey: @"NSTrailingOffset"];
}
else
{
[aCoder encodeSize: [self contentSize]];
[aCoder encodeObject: _delegate];
[aCoder encodeValueOfObjCType: @encode(float) at: &_leadingOffset];
[aCoder encodeSize: _maxContentSize];
[aCoder encodeSize: _minContentSize];
[aCoder encodeObject: parent];
[aCoder encodeValueOfObjCType: @encode(unsigned) at: &_preferredEdge];
[aCoder encodeValueOfObjCType: @encode(float) at: &_trailingOffset];
}
}
- (id) initWithCoder: (NSCoder*)aDecoder
{
if ((self = [super initWithCoder: aDecoder]) != nil)
{
NSWindow *parentWindow = nil;
if ([aDecoder allowsKeyedCoding])
{
_contentSize = [aDecoder decodeSizeForKey: @"NSContentSize"];
if ([aDecoder containsValueForKey: @"NSDelegate"])
{
ASSIGN(_delegate, [aDecoder decodeObjectForKey: @"NSDelegate"]);
}
_leadingOffset = [aDecoder decodeFloatForKey: @"NSLeadingOffset"];
_maxContentSize = [aDecoder decodeSizeForKey: @"NSMaxContentSize"];
_minContentSize = [aDecoder decodeSizeForKey: @"NSMinContentSize"];
if ([aDecoder containsValueForKey: @"NSParentWindow"])
{
parentWindow = [aDecoder decodeObjectForKey: @"NSParentWindow"];
}
_preferredEdge = [aDecoder decodeIntForKey: @"NSPreferredEdge"];
_trailingOffset = [aDecoder decodeFloatForKey: @"NSTrailingOffset"];
}
else
{
int version = [aDecoder versionForClassName: @"NSDrawer"];
if (version == 0)
{
_contentSize = [aDecoder decodeSize];
ASSIGN(_delegate, [aDecoder decodeObject]);
[aDecoder decodeValueOfObjCType: @encode(float)
at: &_leadingOffset];
_maxContentSize = [aDecoder decodeSize];
_minContentSize = [aDecoder decodeSize];
parentWindow = [aDecoder decodeObject];
[aDecoder decodeValueOfObjCType: @encode(unsigned)
at: &_preferredEdge];
[aDecoder decodeValueOfObjCType: @encode(float)
at: &_trailingOffset];
}
else
{
[NSException raise: NSInternalInconsistencyException
format: @"Invalid version of NSDrawer (version = %d).",
version];
return nil; // not reached, but keeps gcc happy...
}
}
// set up drawer...
_drawerWindow = [[GSDrawerWindow alloc]
initWithContentRect:
NSMakeRect(0, 0,_contentSize.width,
_contentSize.height)
styleMask: 0
backing: NSBackingStoreBuffered
defer: NO];
[_drawerWindow setParentWindow: parentWindow];
[_drawerWindow setDrawer: self];
[_drawerWindow setReleasedWhenClosed: NO];
// initial state...
_state = NSDrawerClosedState;
}
return self;
}
@end
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