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https://github.com/gnustep/libs-gui.git
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Added class providing standard Info Panel
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5846 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero
parent
7d72791c66
commit
a3a1d02c75
1 changed files with 595 additions and 0 deletions
595
Source/GSInfoPanel.m
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595
Source/GSInfoPanel.m
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/*
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GSInfoPanel.m
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Standard GNUstep info panel
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Copyright (C) 2000 Free Software Foundation, Inc.
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Author: Nicola Pero <n.pero@mi.flashnet.it>
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Date: January 2000
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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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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <AppKit/NSApplication.h>
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#include <AppKit/NSButton.h>
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#include <AppKit/NSFont.h>
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#include <AppKit/NSImage.h>
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#include <AppKit/NSTextField.h>
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#include <AppKit/GSInfoPanel.h>
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#include <Foundation/NSBundle.h>
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSString.h>
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static id
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_value_from_info_plist_for_key (NSString *key)
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{
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static NSDictionary *d = nil;
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/* We use this additional BOOL so that if loading Info-gnustep.plist fails once,
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we do not try again. */
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static BOOL load_failed = NO;
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if ((d == nil) && (load_failed == NO))
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{
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NSBundle *b;
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NSString *f;
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b = [NSBundle mainBundle];
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f = [b pathForResource: @"Info-gnustep" ofType: @"plist"];
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d = [NSDictionary dictionaryWithContentsOfFile: f];
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if (d == nil)
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load_failed = YES;
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}
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if (d)
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return [d objectForKey: key];
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return nil;
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}
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static inline BOOL
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_nil_or_not_of_class (id object, Class class)
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{
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return ((object == nil) || ([object isKindOfClass: class] == NO));
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}
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static NSTextField *
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_new_label (NSString *value)
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{
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NSTextField *t;
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t = [[NSTextField new] autorelease];
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[t setStringValue: value];
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[t setDrawsBackground: NO];
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[t setEditable: NO];
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[t setSelectable: NO];
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[t setBezeled: NO];
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[t setBordered: NO];
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[t setAlignment: NSLeftTextAlignment];
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return t;
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}
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/*
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* An object that displays a list of left-aligned strings (used for the authors)
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*/
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@interface _GSLabelListView: NSView
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{
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}
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/* After initialization, its size is the size it needs, just move it
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where we want it to show */
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-initWithStringArray: (NSArray *)array
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font: (NSFont *)font;
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@end
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@implementation _GSLabelListView
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{
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}
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-initWithStringArray: (NSArray *)array
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font: (NSFont *)font
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{
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int count;
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NSTextField *field;
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int i;
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float height = 2;
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float width = 0;
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NSRect r;
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self = [super init];
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count = [array count];
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for (i = 0; i < count; i++)
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{
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if ([[array objectAtIndex: i] isKindOfClass: [NSString class]] == NO)
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continue;
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field = _new_label ([array objectAtIndex: i]);
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[field setFont: font];
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[field sizeToFit];
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[field setAutoresizingMask: NSViewNotSizable];
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r = [field frame];
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r.origin.x = 0;
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r.origin.y = height;
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if (r.size.width > width)
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width = r.size.width;
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height += r.size.height + 2;
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[field setFrame: r];
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[self setFrameSize: NSMakeSize (width, height)];
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[self addSubview: field];
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}
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[self setFrameSize: NSMakeSize (width, height - 2)];
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return self;
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}
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@end
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@implementation GSInfoPanel: NSPanel
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+ (void) initialize
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{
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if (self == [GSInfoPanel class])
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{
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[self setVersion: 1];
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}
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}
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-(id) initWithDictionary: (NSDictionary *)dictionary;
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{
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/* Info to show */
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NSString *name = nil;
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NSString *description = nil;
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NSImage *icon = nil;
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NSString *release = nil;
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NSString *fullVersionID = nil;
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NSArray *authors = nil;
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NSString *url = nil;
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NSString *copyright = nil;
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NSString *copyrightDescription = nil;
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/* GUI Objects used to show the Info */
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NSButton *iconButton;
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NSTextField *nameLabel;
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NSTextField *descriptionLabel = nil;
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NSTextField *versionLabel;
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_GSLabelListView *authorsList;
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NSTextField *authorTitleLabel;
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NSTextField *urlLabel = nil;
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NSTextField *copyrightLabel;
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NSTextField *copyrightDescriptionLabel = nil;
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NSFont *smallFont;
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/* Minimum size we use for the panel */
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float width = 241;
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float height = 107;
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/* Used for computations */
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float tmp_A;
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float tmp_a;
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float tmp_b;
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float tmp_c;
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NSRect f;
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NSView *cv;
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/*
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* Gets what we need to show
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*/
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/* Application Name */
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if (dictionary)
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name = [dictionary objectForKey: @"ApplicationName"];
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if (_nil_or_not_of_class (name, [NSString class]))
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{
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name = _value_from_info_plist_for_key (@"ApplicationName");
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if (_nil_or_not_of_class (name, [NSString class]))
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{
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name = _value_from_info_plist_for_key (@"NSHumanReadableShortName");
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if (_nil_or_not_of_class (name, [NSString class]))
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name = [[NSProcessInfo processInfo] processName];
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}
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}
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/* Application Description */
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if (dictionary)
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description = [dictionary objectForKey: @"ApplicationDescription"];
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if (_nil_or_not_of_class (description, [NSString class]))
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{
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description = _value_from_info_plist_for_key
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(@"ApplicationDescription");
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if ([description isKindOfClass: [NSString class]] == NO)
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description = nil;
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}
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/* NB: description might be nil */
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/* Application Icon */
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if (dictionary)
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icon = [dictionary objectForKey: @"ApplicationIcon"];
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if (_nil_or_not_of_class (icon, [NSImage class]))
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{
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icon = [NSImage imageNamed: @"NSApplicationIcon"];
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if (_nil_or_not_of_class (icon, [NSImage class]))
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icon = [NSApp applicationIconImage];
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}
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/* Release */
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if (dictionary)
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release = [dictionary objectForKey: @"ApplicationRelease"];
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if (_nil_or_not_of_class (release, [NSString class]))
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{
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if (dictionary)
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release = [dictionary objectForKey: @"ApplicationVersion"];
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if (_nil_or_not_of_class (release, [NSString class]))
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{
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release = _value_from_info_plist_for_key (@"ApplicationRelease");
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if (_nil_or_not_of_class (release, [NSString class]))
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{
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release = _value_from_info_plist_for_key (@"NSAppVersion");
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if (_nil_or_not_of_class (release, [NSString class]))
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release = @"Unknown";
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}
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}
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}
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/* FullVersionID */
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if (dictionary)
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fullVersionID = [dictionary objectForKey: @"FullVersionID"];
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if (_nil_or_not_of_class (fullVersionID, [NSString class]))
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{
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if (dictionary)
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fullVersionID = [dictionary objectForKey: @"Version"];
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if (_nil_or_not_of_class (fullVersionID, [NSString class]))
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{
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fullVersionID = _value_from_info_plist_for_key (@"NSBuildVersion");
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if ([fullVersionID isKindOfClass: [NSString class]] == NO)
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fullVersionID = nil;
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}
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}
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/* NB: fullVersionID can be nil! */
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/* Now we prepare the complete release string */
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release = [@"Release: " stringByAppendingString: release];
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if (fullVersionID)
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{
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release = [release stringByAppendingString: @" ("];
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release = [release stringByAppendingString: fullVersionID];
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release = [release stringByAppendingString: @")"];
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}
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/* Authors */
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if (dictionary)
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authors = [dictionary objectForKey: @"Authors"];
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if (_nil_or_not_of_class (authors, [NSArray class]))
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{
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authors = _value_from_info_plist_for_key (@"Authors");
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if (_nil_or_not_of_class (authors, [NSArray class]))
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authors = [NSArray arrayWithObject: @"Unknown"];
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}
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/* URL */
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if (dictionary)
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url = [dictionary objectForKey: @"URL"];
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if ([url isKindOfClass: [NSString class]] == NO)
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url = nil;
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/* NB: URL can be nil */
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/* Copyright */
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if (dictionary)
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copyright = [dictionary objectForKey: @"Copyright"];
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if (_nil_or_not_of_class (copyright, [NSString class]))
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{
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copyright = _value_from_info_plist_for_key (@"Copyright");
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if (_nil_or_not_of_class (copyright, [NSString class]))
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{
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copyright = _value_from_info_plist_for_key
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(@"NSHumanReadableCopyright");
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if (_nil_or_not_of_class (copyright, [NSString class]))
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copyright = @"Copyright Information Not Available";
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}
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}
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/* Copyright Description */
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if (dictionary)
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copyrightDescription = [dictionary objectForKey: @"CopyrightDescription"];
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if (_nil_or_not_of_class (copyrightDescription, [NSString class]))
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{
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copyrightDescription = _value_from_info_plist_for_key
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(@"CopyrightDescription");
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if ([copyrightDescription isKindOfClass: [NSString class]] == NO)
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copyrightDescription = nil;
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}
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/* NB: copyrightDescription can be nil */
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/*
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* Create GUI Objects
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*/
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f = NSZeroRect;
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f.size = [icon size];
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iconButton = [[[NSButton alloc] initWithFrame: f] autorelease];
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[iconButton setImage: icon];
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[iconButton setBordered: NO];
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[iconButton setEnabled: NO];
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[iconButton setImagePosition: NSImageOnly];
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nameLabel = _new_label (name);
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[nameLabel setFont: [NSFont fontWithName: @"Helvetica-BoldOblique"
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size: 32]];
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[nameLabel sizeToFit];
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// Workaround for a bug somewhere in NSFont with italic fonts
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f = [nameLabel frame];
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f.size.width += 20;
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[nameLabel setFrame: f];
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if (description)
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{
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descriptionLabel = _new_label (description);
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[descriptionLabel setFont: [NSFont fontWithName:
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@"Helvetica-BoldOblique"
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size: 14]];
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[descriptionLabel sizeToFit];
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// Workaround for bug somewhere in NSFont with italic fonts
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f = [descriptionLabel frame];
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f.size.width += 20;
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[descriptionLabel setFrame: f];
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}
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//smallFont = [NSFont fontWithName: @"Helvetica-Narrow" size: 14];
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smallFont = [NSFont fontWithName: @"Helvetica" size: 12];
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versionLabel = _new_label (release);
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[versionLabel setFont: smallFont];
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[versionLabel sizeToFit];
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if ([authors count] == 1)
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{
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authorTitleLabel = _new_label (@"Author: ");
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}
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else
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{
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authorTitleLabel = _new_label (@"Authors: ");
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}
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[authorTitleLabel setFont: smallFont];
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[authorTitleLabel sizeToFit];
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authorsList = [[[_GSLabelListView alloc] initWithStringArray: authors
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font: smallFont] autorelease];
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if (url)
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{
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urlLabel = _new_label (url);
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[urlLabel setFont: smallFont];
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[urlLabel sizeToFit];
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}
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copyrightLabel = _new_label (copyright);
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[copyrightLabel setFont: smallFont];
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[copyrightLabel sizeToFit];
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if (copyrightDescription)
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{
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copyrightDescriptionLabel = _new_label (copyrightDescription);
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[copyrightDescriptionLabel setFont: smallFont];
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[copyrightDescriptionLabel sizeToFit];
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}
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/*
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* Compute width and height of the panel
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*/
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/** width **/
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tmp_A = [icon size].width;
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/* distance between icon and title */
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tmp_A += 10;
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/* compute the maximum of the following three sizes */
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tmp_a = [nameLabel frame].size.width;
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if (description)
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{
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tmp_b = [descriptionLabel frame].size.width;
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if (tmp_a < tmp_b)
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tmp_a = tmp_b;
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}
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tmp_b = [versionLabel frame].size.width;
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if (tmp_a < tmp_b)
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tmp_a = tmp_b;
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/* Add in to tmp_A */
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tmp_A += tmp_a;
|
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/* Update width */
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if (width < tmp_A)
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width = tmp_A;
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tmp_A = [authorTitleLabel frame].size.width;
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tmp_A += [authorsList frame].size.width;
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if (width < tmp_A)
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width = tmp_A;
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/* FIXME depending on where we put url */
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if (url)
|
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{
|
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tmp_A = [urlLabel frame].size.width;
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if (tmp_A > width)
|
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width = tmp_A;
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}
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tmp_A = [copyrightLabel frame].size.width;
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if (tmp_A > width)
|
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width = tmp_A;
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|
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if (copyrightDescription)
|
||||
{
|
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tmp_A = [copyrightDescriptionLabel frame].size.width;
|
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if (tmp_A > width)
|
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width = tmp_A;
|
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}
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/* height */
|
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/* Warning: we implicitly assume icon height is approx of the standard height of 48.
|
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The code tries to be nice so that 50 or 47 should more or less work -- but beware
|
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that 200 or 20 will *not* work. */
|
||||
tmp_A = [icon size].height;
|
||||
|
||||
if (description)
|
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tmp_A += 10;
|
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else
|
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tmp_A += 5;
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||||
|
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tmp_A += [versionLabel frame].size.height;
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tmp_A += 20;
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tmp_A += [authorsList frame].size.height;
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||||
|
||||
if (url)
|
||||
{
|
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tmp_A += [urlLabel frame].size.height + 2;
|
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}
|
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tmp_A += 25;
|
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tmp_A += [copyrightLabel frame].size.height;
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||||
if (copyrightDescription)
|
||||
{
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tmp_A += 2;
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tmp_A += [copyrightDescriptionLabel frame].size.height;
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}
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||||
|
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if (tmp_A > height)
|
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height = tmp_A;
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||||
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/* Add border to both wihdt and height */
|
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width += 32;
|
||||
height += 36;
|
||||
|
||||
/*
|
||||
* TODO: Adjust/check obtained width and height ?
|
||||
* (NB: If they are adjusted, code putting views in the panel
|
||||
* has to be adjusted too!)
|
||||
*/
|
||||
|
||||
/*
|
||||
* Creates the panel with the right width and height
|
||||
*/
|
||||
self = [super initWithContentRect: NSMakeRect (100, 100, width, height)
|
||||
styleMask: (NSTitledWindowMask | NSClosableWindowMask)
|
||||
backing: NSBackingStoreRetained defer: YES];
|
||||
/*
|
||||
* Add objects to the panel in their position
|
||||
*/
|
||||
cv = [self contentView];
|
||||
|
||||
f = [iconButton frame];
|
||||
f.origin.x = 16;
|
||||
f.origin.y = height - 18 - f.size.height;
|
||||
tmp_a = f.origin.x + f.size.width + 10;
|
||||
tmp_b = f.origin.y;
|
||||
tmp_c = f.size.height;
|
||||
[cv addSubview: iconButton];
|
||||
[iconButton setFrame: f];
|
||||
|
||||
f = [nameLabel frame];
|
||||
f.origin.x = tmp_a;
|
||||
/* NB: We relay upon the fact that the text in a text field is vertically centered
|
||||
in its frame */
|
||||
if (description)
|
||||
f.origin.y = tmp_b + 10;
|
||||
else
|
||||
f.origin.y = tmp_b;
|
||||
f.size.height = tmp_c;
|
||||
[cv addSubview: nameLabel];
|
||||
[nameLabel setFrame: f];
|
||||
|
||||
if (description)
|
||||
{
|
||||
f = [descriptionLabel frame];
|
||||
f.origin.x = tmp_a;
|
||||
f.origin.y = tmp_b - 5;
|
||||
[cv addSubview: descriptionLabel];
|
||||
[descriptionLabel setFrame: f];
|
||||
}
|
||||
|
||||
f = [versionLabel frame];
|
||||
f.origin.x = width - 16 - f.size.width;
|
||||
if (description)
|
||||
f.origin.y = tmp_b - 10 - f.size.height;
|
||||
else
|
||||
f.origin.y = tmp_b - 5 - f.size.height;
|
||||
tmp_b = f.origin.y;
|
||||
[cv addSubview: versionLabel];
|
||||
[versionLabel setFrame: f];
|
||||
|
||||
tmp_b -= 20;
|
||||
|
||||
tmp_a = [authorTitleLabel frame].size.width;
|
||||
tmp_a += [authorsList frame].size.width;
|
||||
tmp_a = (width - tmp_a) / 2;
|
||||
|
||||
f = [authorTitleLabel frame];
|
||||
f.origin.x = tmp_a;
|
||||
tmp_c = tmp_a + f.size.width;
|
||||
f.origin.y = tmp_b - f.size.height;
|
||||
[cv addSubview: authorTitleLabel];
|
||||
[authorTitleLabel setFrame: f];
|
||||
|
||||
f = [authorsList frame];
|
||||
f.origin.x = tmp_c;
|
||||
f.origin.y = tmp_b - f.size.height;
|
||||
tmp_b = f.origin.y;
|
||||
[cv addSubview: authorsList];
|
||||
[authorsList setFrame: f];
|
||||
|
||||
if (url)
|
||||
{
|
||||
/* FIXME position of this thing */
|
||||
f = [urlLabel frame];
|
||||
f.origin.x = tmp_a;
|
||||
f.origin.y = tmp_b - 2 - f.size.height;
|
||||
tmp_b = f.origin.y;
|
||||
[cv addSubview: urlLabel];
|
||||
[urlLabel setFrame: f];
|
||||
}
|
||||
|
||||
f = [copyrightLabel frame];
|
||||
f.origin.x = (width - f.size.width) / 2;
|
||||
f.origin.y = tmp_b - 25 - f.size.height;
|
||||
tmp_b = f.origin.y;
|
||||
[cv addSubview: copyrightLabel];
|
||||
[copyrightLabel setFrame: f];
|
||||
|
||||
if (copyrightDescription)
|
||||
{
|
||||
f = [copyrightDescriptionLabel frame];
|
||||
f.origin.x = (width - f.size.width) / 2;
|
||||
f.origin.y = tmp_b - 2 - f.size.height;
|
||||
[cv addSubview: copyrightDescriptionLabel];
|
||||
[copyrightDescriptionLabel setFrame: f];
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
@end
|
||||
Loading…
Reference in a new issue