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libs-gui/Source/NSPanel.m
Richard Frith-MacDonald a069600acc Some small bugfixes 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@4318 72102866-910b-0410-8b05-ffd578937521
1999-05-28 14:09:36 +00:00

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/*
NSPanel.m
Panel window class and related functions
Copyright (C) 1996 Free Software Foundation, Inc.
NSPanel implementation
Author: Scott Christley <scottc@net-community.com>
Date: 1996
GSAlertPanel and alert panel functions implementation
Author: Richard Frith-Macdonald <richard@brainstorm.co.uk>
Date: 1998
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 <gnustep/gui/config.h>
#include <Foundation/NSBundle.h>
#include <Foundation/NSCoder.h>
#include <AppKit/NSPanel.h>
#include <AppKit/NSApplication.h>
#include <AppKit/NSButton.h>
#include <AppKit/NSMatrix.h>
#include <AppKit/NSTextField.h>
#include <AppKit/NSFont.h>
#include <AppKit/NSBox.h>
#include <AppKit/NSImage.h>
#include <AppKit/NSScreen.h>
#include <AppKit/IMLoading.h>
#include <AppKit/GMAppKit.h>
#include <AppKit/GMArchiver.h>
//*****************************************************************************
//
// NSPanel
//
//*****************************************************************************
@implementation NSPanel
//
// Class methods
//
+ (void)initialize
{
if (self == [NSPanel class])
{
[self setVersion:1];
}
}
//
// Instance methods
//
- (id) init
{
int style = NSTitledWindowMask | NSClosableWindowMask;
return [self initWithContentRect: NSZeroRect
styleMask: style
backing: NSBackingStoreBuffered
defer: NO];
}
- (id) initWithContentRect: (NSRect)contentRect
styleMask: (unsigned int)aStyle
backing: (NSBackingStoreType)bufferingType
defer: (BOOL)flag
screen: (NSScreen*)aScreen
{
self = [super initWithContentRect: contentRect
styleMask: aStyle
backing: bufferingType
defer: flag
screen: aScreen];
[self setReleasedWhenClosed: NO];
return self;
}
- (void) initDefaults
{
[super initDefaults];
menu_exclude = YES; // Don't show panels in windows menu.
}
- (BOOL) canBecomeKeyWindow
{
if (_becomesKeyOnlyIfNeeded)
return NO;
return YES;
}
- (BOOL) canBecomeMainWindow
{
return NO;
}
//
// If we receive an escape, close.
//
- (void) keyDown: (NSEvent*)theEvent
{
if ([@"\e" isEqual: [theEvent charactersIgnoringModifiers]] &&
([self styleMask] & NSClosableWindowMask) == NSClosableWindowMask)
[self close];
else
[super keyDown: theEvent];
}
//
// Determining the Panel's Behavior
//
- (BOOL) isFloatingPanel
{
return _isFloatingPanel;
}
- (void) setFloatingPanel: (BOOL)flag
{
_isFloatingPanel = flag;
}
- (BOOL) worksWhenModal
{
return _worksWhenModal;
}
- (void) setWorksWhenModal: (BOOL)flag
{
_worksWhenModal = flag;
}
- (BOOL) becomesKeyOnlyIfNeeded
{
return _becomesKeyOnlyIfNeeded;
}
- (void)setBecomesKeyOnlyIfNeeded: (BOOL)flag
{
_becomesKeyOnlyIfNeeded = flag;
}
//
// NSCoding protocol
//
- (void) encodeWithCoder: (NSCoder*)aCoder
{
[super encodeWithCoder: aCoder];
}
- (id) initWithCoder: (NSCoder*)aDecoder
{
[super initWithCoder: aDecoder];
return self;
}
@end /* NSPanel */
//*****************************************************************************
//
// GSAlertPanel
//
//*****************************************************************************
#define PANX 362.0
#define PANY 161.0
@class GSAlertPanel;
static GSAlertPanel *standardAlertPanel = nil;
static GSAlertPanel *informationalAlertPanel = nil;
static GSAlertPanel *criticalAlertPanel = nil;
static GSAlertPanel *gmodelAlertPanel = nil;
@interface GSAlertPanel : NSPanel
{
NSButton *defButton;
NSButton *altButton;
NSButton *othButton;
NSButton *icoButton;
NSTextField *messageField;
NSTextField *titleField;
int result;
BOOL active;
}
- (void) buttonAction: (id) sender;
- (int) result;
- (int) runModal;
- (void) setTitle: (NSString*)title
message: (NSString*)message
def: (NSString*)defaultButton
alt: (NSString*)alternateButton
other: (NSString*)otherButton;
@end
@implementation GSAlertPanel
//
// Class methods
//
+ (void)initialize
{
if (self == [GSAlertPanel class])
{
[self setVersion:1];
}
}
+ (id) createObjectForModelUnarchiver: (GMUnarchiver*)unarchiver
{
unsigned backingType = [unarchiver decodeUnsignedIntWithName:
@"backingType"];
unsigned styleMask = [unarchiver decodeUnsignedIntWithName:@"styleMask"];
NSRect aRect = [unarchiver decodeRectWithName:@"frame"];
NSPanel* panel = [[[GSAlertPanel allocWithZone:[unarchiver objectZone]]
initWithContentRect:aRect
styleMask:styleMask backing:backingType defer:YES]
autorelease];
return panel;
}
- (void) buttonAction: (id)sender
{
if (active == NO)
{
NSLog(@"alert panel buttonAction: when not in modal loop\n");
return;
}
else if (sender == defButton)
{
result = NSAlertDefaultReturn;
}
else if (sender == altButton)
{
result = NSAlertAlternateReturn;
}
else if (sender == othButton)
{
result = NSAlertOtherReturn;
}
else
{
NSLog(@"alert panel buttonAction: from unknown sender - x%x\n",
(unsigned)sender);
}
active = NO;
[self orderOut: self];
[[NSApplication sharedApplication] stopModal];
}
- (void) dealloc
{
if (self == standardAlertPanel)
standardAlertPanel = nil;
if (self == informationalAlertPanel)
informationalAlertPanel = nil;
if (self == criticalAlertPanel)
criticalAlertPanel = nil;
[defButton release];
[altButton release];
[othButton release];
[icoButton release];
[messageField release];
[titleField release];
[super dealloc];
}
- (void) encodeWithModelArchiver: (GMArchiver *)archiver
{
[super encodeWithModelArchiver: archiver];
[archiver encodeObject: defButton withName: @"DefaultButton"];
[archiver encodeObject: altButton withName: @"AlternateButton"];
[archiver encodeObject: othButton withName: @"OtherButton"];
[archiver encodeObject: icoButton withName: @"IconButton"];
[archiver encodeObject: messageField withName: @"MessageField"];
[archiver encodeObject: titleField withName: @"TitleField"];
}
- (id) initWithContentRect: (NSRect)r
styleMask: (unsigned)m
backing: (NSBackingStoreType)b
defer: (BOOL)d
screen: (NSScreen*)s
{
self = [super initWithContentRect: r
styleMask: m
backing: b
defer: d
screen: s];
if (self)
{
NSView *content;
NSImage *image;
unsigned bs = 10.0; /* Inter-button space */
unsigned bh = 24.0; /* Button height. */
unsigned bw = 72.0; /* Button width. */
NSRect rect;
NSBox *box;
[self setMaxSize: r.size];
[self setMinSize: r.size];
[self setTitle: @" "];
content = [self contentView];
rect.size.height = 2.0;
rect.size.width = 362.0;
rect.origin.y = 95.0;
rect.origin.x = 0.0;
box = [[NSBox alloc] initWithFrame: rect];
[box setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin];
[box setTitlePosition: NSNoTitle];
[box setBorderType: NSGrooveBorder];
[content addSubview: box];
[box release];
rect.size.height = bh;
rect.size.width = bw;
rect.origin.y = bs;
rect.origin.x = 280.0;
defButton = [[NSButton alloc] initWithFrame: rect];
[defButton setAutoresizingMask: NSViewMinXMargin | NSViewMaxYMargin];
[defButton setButtonType: NSMomentaryPushButton];
[defButton setTitle: @"Default"];
[defButton setTarget: self];
[defButton setAction: @selector(buttonAction:)];
[defButton setFont: [NSFont systemFontOfSize: 12.0]];
[defButton setKeyEquivalent: @"\r"];
[defButton setImagePosition: NSImageRight];
[defButton setImage: [NSImage imageNamed: @"common_ret"]];
rect.origin.x = 199.0;
altButton = [[NSButton alloc] initWithFrame: rect];
[altButton setAutoresizingMask: NSViewMinXMargin | NSViewMaxYMargin];
[altButton setButtonType: NSMomentaryPushButton];
[altButton setTitle: @"Alternative"];
[altButton setTarget: self];
[altButton setAction: @selector(buttonAction:)];
[altButton setFont: [NSFont systemFontOfSize: 12.0]];
rect.origin.x = 120.0;
othButton = [[NSButton alloc] initWithFrame: rect];
[othButton setAutoresizingMask: NSViewMinXMargin | NSViewMaxYMargin];
[othButton setButtonType: NSMomentaryPushButton];
[othButton setTitle: @"Other"];
[othButton setTarget: self];
[othButton setAction: @selector(buttonAction:)];
[othButton setFont: [NSFont systemFontOfSize: 12.0]];
rect.size.height = 48.0;
rect.size.width = 48.0;
rect.origin.y = 105.0;
rect.origin.x = 8.0;
icoButton = [[NSButton alloc] initWithFrame: rect];
[icoButton setAutoresizingMask: NSViewMaxXMargin | NSViewMinYMargin];
[icoButton setBordered: NO];
[icoButton setEnabled: NO];
[icoButton setImagePosition: NSImageOnly];
image = [[NSApplication sharedApplication] applicationIconImage];
[icoButton setImage: image];
rect.size.height = 36.0;
rect.size.width = 344.0;
rect.origin.y = 46.0;
rect.origin.x = 8.0;
messageField = [[NSTextField alloc] initWithFrame: rect];
[messageField setAutoresizingMask:
NSViewWidthSizable | NSViewHeightSizable | NSViewMaxYMargin];
[messageField setEditable: NO];
[messageField setSelectable: NO];
[messageField setBezeled: NO];
[messageField setDrawsBackground: NO];
[messageField setAlignment: NSCenterTextAlignment];
[messageField setStringValue: @""];
[messageField setFont: [NSFont systemFontOfSize: 14.0]];
rect.size.height = 21.0;
rect.size.width = 289.0;
rect.origin.y = 121.0;
rect.origin.x = 64.0;
titleField = [[NSTextField alloc] initWithFrame: rect];
[titleField setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin];
[titleField setEditable: NO];
[titleField setSelectable: NO];
[titleField setBezeled: NO];
[titleField setDrawsBackground: NO];
[titleField setStringValue: @""];
[titleField setFont: [NSFont systemFontOfSize: 18.0]];
}
return self;
}
- (id) initWithModelUnarchiver: (GMUnarchiver*)unarchiver
{
self = [super initWithModelUnarchiver: unarchiver];
defButton = [[unarchiver decodeObjectWithName: @"DefaultButton"] retain];
altButton = [[unarchiver decodeObjectWithName: @"AlternateButton"] retain];
othButton = [[unarchiver decodeObjectWithName: @"OtherButton"] retain];
icoButton = [[unarchiver decodeObjectWithName: @"IconButton"] retain];
messageField = [[unarchiver decodeObjectWithName: @"MessageField"] retain];
titleField = [[unarchiver decodeObjectWithName: @"TitleField"] retain];
gmodelAlertPanel = self;
return gmodelAlertPanel;
}
- (int) result
{
return result;
}
- (int) runModal
{
NSApplication *app;
app = [NSApplication sharedApplication];
active = YES;
[app runModalForWindow: self];
return result;
}
- (void) setTitle: (NSString*)title
message: (NSString*)message
def: (NSString*)defaultButton
alt: (NSString*)alternateButton
other: (NSString*)otherButton
{
NSView *content = [self contentView];
if (defaultButton)
{
[defButton setTitle: defaultButton];
if ([defButton superview] == nil)
[content addSubview: defButton];
[self makeFirstResponder: defButton];
}
else
{
if ([defButton superview] != nil)
[defButton removeFromSuperview];
}
if (alternateButton)
{
[altButton setTitle: alternateButton];
if ([altButton superview] == nil)
[content addSubview: altButton];
}
else
{
if ([altButton superview] != nil)
[altButton removeFromSuperview];
}
if (otherButton)
{
[othButton setTitle: otherButton];
if ([othButton superview] == nil)
[content addSubview: othButton];
}
else
{
if ([othButton superview] != nil)
[othButton removeFromSuperview];
}
if (message)
{
[messageField setStringValue: message];
if ([messageField superview] == nil)
[content addSubview: messageField];
}
else
{
if ([messageField superview] != nil)
[messageField removeFromSuperview];
}
if (title)
{
[titleField setStringValue: title];
if ([titleField superview] == nil)
[content addSubview: titleField];
}
else
{
if ([titleField superview] != nil)
[titleField removeFromSuperview];
}
result = NSAlertErrorReturn; /* If no button was pressed */
[content display];
}
@end /* GSAlertPanel */
//*****************************************************************************
//
// Alert panel functions
//
//*****************************************************************************
id
NSGetAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
NSString *message;
GSAlertPanel *panel;
va_start (ap, otherButton);
message = [NSString stringWithFormat: msg arguments: ap];
va_end (ap);
if (title == nil)
title = @"Alert";
if (standardAlertPanel == nil)
{
#if 0
if (![GMModel loadIMFile: @"AlertPanel" owner: [GSAlertPanel alloc]])
{
NSLog(@"cannot open alert panel model file\n");
return nil;
}
#else
panel = [GSAlertPanel alloc];
panel = [panel initWithContentRect:NSMakeRect(0,0,PANX,PANY)
styleMask: NSTitledWindowMask
backing: NSBackingStoreRetained
defer: YES
screen: nil];
[panel center];
#endif
}
else
{
panel = standardAlertPanel;
standardAlertPanel = nil;
}
[panel setTitle: title
message: message
def: defaultButton
alt: alternateButton
other: otherButton];
return panel;
}
id
NSGetCriticalAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
NSString *message;
GSAlertPanel *panel;
if (title == nil)
title = @"Warning";
va_start (ap, otherButton);
message = [NSString stringWithFormat: msg arguments: ap];
va_end (ap);
if (criticalAlertPanel == nil)
{
panel = NSGetAlertPanel(title, msg, defaultButton,
alternateButton, otherButton, ap);
criticalAlertPanel = panel;
}
else
panel = criticalAlertPanel;
[panel setTitle: @"Critical"];
[panel setTitle: title
message: message
def: defaultButton
alt: alternateButton
other: otherButton];
return panel;
}
id
NSGetInformationalAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
NSString *message;
GSAlertPanel *panel;
if (title == nil)
title = @"Information";
va_start (ap, otherButton);
message = [NSString stringWithFormat: msg arguments: ap];
va_end (ap);
if (informationalAlertPanel == nil)
{
panel = NSGetAlertPanel(title, msg, defaultButton,
alternateButton, otherButton, ap);
informationalAlertPanel = panel;
}
else
panel = informationalAlertPanel;
[panel setTitle: @"Information"];
[panel setTitle: title
message: message
def: defaultButton
alt: alternateButton
other: otherButton];
return panel;
}
void
NSReleaseAlertPanel(id alertPanel)
{
if (alertPanel != standardAlertPanel &&
alertPanel != informationalAlertPanel &&
alertPanel != criticalAlertPanel)
[alertPanel release];
}
int
NSRunAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
GSAlertPanel *panel;
NSString *message;
int result;
if (title == nil)
title = @"Alert";
if (defaultButton == nil)
defaultButton = @"OK";
va_start (ap, otherButton);
message = [NSString stringWithFormat: msg arguments: ap];
va_end (ap);
if (standardAlertPanel)
{
panel = standardAlertPanel;
[panel setTitle: title
message: message
def: defaultButton
alt: alternateButton
other: otherButton];
}
else
{
panel = NSGetAlertPanel(title, message, defaultButton,
alternateButton, otherButton, ap);
standardAlertPanel = panel;
}
[panel center];
[panel makeKeyAndOrderFront: panel];
result = [panel runModal];
NSReleaseAlertPanel(panel);
return result;
}
int
NSRunCriticalAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
GSAlertPanel *panel;
int result;
va_start (ap, otherButton);
panel = NSGetCriticalAlertPanel(title, msg,
defaultButton, alternateButton, otherButton, ap);
va_end (ap);
[panel center];
[panel makeKeyAndOrderFront: panel];
result = [panel runModal];
NSReleaseAlertPanel(panel);
return result;
}
int
NSRunInformationalAlertPanel(NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
GSAlertPanel *panel;
int result;
va_start (ap, otherButton);
panel = NSGetInformationalAlertPanel(title, msg,
defaultButton, alternateButton, otherButton, ap);
va_end (ap);
[panel center];
[panel makeKeyAndOrderFront: panel];
result = [panel runModal];
NSReleaseAlertPanel(panel);
return result;
}
int
NSRunLocalizedAlertPanel(NSString *table,
NSString *title,
NSString *msg,
NSString *defaultButton,
NSString *alternateButton,
NSString *otherButton, ...)
{
va_list ap;
GSAlertPanel *panel;
NSString *message;
int result;
NSBundle *bundle = [NSBundle mainBundle];
if (title == nil)
title = @"Alert";
title = [bundle localizedStringForKey: title
value: title
table: table];
if (defaultButton)
defaultButton = [bundle localizedStringForKey: defaultButton
value: defaultButton
table: table];
if (alternateButton)
alternateButton = [bundle localizedStringForKey: alternateButton
value: alternateButton
table: table];
if (otherButton)
otherButton = [bundle localizedStringForKey: otherButton
value: otherButton
table: table];
if (msg)
msg = [bundle localizedStringForKey: msg
value: msg
table: table];
va_start (ap, otherButton);
message = [NSString stringWithFormat: msg arguments: ap];
va_end (ap);
if (standardAlertPanel)
{
panel = standardAlertPanel;
[panel setTitle: title
message: message
def: defaultButton
alt: alternateButton
other: otherButton];
}
else
{
panel = NSGetAlertPanel(title, message, defaultButton,
alternateButton, otherButton, ap);
standardAlertPanel = panel;
}
[panel center];
[panel makeKeyAndOrderFront: panel];
result = [panel runModal];
NSReleaseAlertPanel(panel);
return result;
}
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