source: trunk/Cocoa/Pester/Source/PSPreferencesController.m @ 572

Last change on this file since 572 was 572, checked in by Nicholas Riley, 10 years ago

Support tabbing in preferences panel.

File size: 5.5 KB
Line 
1//
2//  PSPreferencesController.m
3//  Pester
4//
5//  Created by Nicholas Riley on Sat Mar 29 2003.
6//  Copyright (c) 2003 Nicholas Riley. All rights reserved.
7//
8
9#import "PSPreferencesController.h"
10#import "PSApplication.h"
11#import "NJRHotKeyField.h"
12#import "NJRHotKey.h"
13#import "NJRHotKeyManager.h"
14
15// NSUserDefaults key
16static NSString * const PSSetAlarmHotKey = @"Pester set alarm system-wide keyboard shortcut";
17
18// NJRHotKeyManager shortcut identifier
19static NSString * const PSSetAlarmHotKeyShortcut = @"PSSetAlarmHotKeyShortcut";
20
21@implementation PSPreferencesController
22
23+ (void)readPreferences;
24{
25    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
26    NJRHotKeyManager *hotKeyManager = [NJRHotKeyManager sharedManager];
27    NJRHotKey *hotKey = [[[NJRHotKey alloc] initWithPropertyList: [defaults dictionaryForKey: PSSetAlarmHotKey]] autorelease];
28
29    if (hotKey == nil) {
30        [hotKeyManager removeShortcutWithIdentifier: PSSetAlarmHotKeyShortcut];
31    } else {
32        if (![hotKeyManager addShortcutWithIdentifier: PSSetAlarmHotKeyShortcut
33                                               hotKey: hotKey
34                                               target: NSApp
35                                               action: @selector(orderFrontSetAlarmPanel:)]) {
36            [defaults removeObjectForKey: PSSetAlarmHotKey];
37            NSRunAlertPanel(NSLocalizedString(@"Can't reserve alarm key equivalent", "Hot key set failure"),
38                            NSLocalizedString(@"Pester was unable to reserve the key equivalent %@. Please select another in Pester's Preferences, or click Clear to remove it.", "Hot key set failure"), nil, nil, nil, [hotKey keyGlyphs]);
39            [(PSApplication *)NSApp performSelector: @selector(orderFrontPreferencesPanel:) withObject: self afterDelay: 0.1];
40        }
41    }
42}
43
44#pragma mark interface updating
45
46- (void)update;
47{
48    // perform any interface propagation that needs to be done
49}
50
51#pragma mark preferences I/O
52
53- (void)readFromPrefs;
54{
55    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
56    NJRHotKey *hotKey = [[NJRHotKey alloc] initWithPropertyList: [defaults dictionaryForKey: PSSetAlarmHotKey]];
57    [setAlarmHotKey setHotKey: hotKey];
58    [hotKey release];
59}
60
61- (void)writeToPrefs;
62{
63    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
64    [defaults setObject: [[setAlarmHotKey hotKey] propertyListRepresentation] forKey: @"Pester set alarm system-wide keyboard shortcut"];
65    [defaults synchronize];
66    [[self class] readPreferences];
67}
68
69#pragma mark initialize-release
70
71- (id)init {
72    if ( (self = [super initWithWindowNibName: @"Preferences"]) != nil) {
73        [[self window] center]; // connect outlets
74        [self readFromPrefs];
75        [self update];
76        // command
77        NSMutableCharacterSet *set = [[NSCharacterSet alphanumericCharacterSet] mutableCopy];
78        [set addCharactersInString: @"`-=[]/\\, "];
79        commandRejectSet = [set copy];
80        [set release];
81        // no modifiers, shift, option, option-shift
82        set = [[NSCharacterSet alphanumericCharacterSet] mutableCopy];
83        [set formUnionWithCharacterSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]];
84        [set formUnionWithCharacterSet: [NSCharacterSet punctuationCharacterSet]];
85        [set addCharactersInString: @"\r\e\x7f\x03"]; // CR, escape, delete, enter
86        [set addCharactersInRange: NSMakeRange(0xF700, 0x1FF)]; // reserved function key range
87        [set removeCharactersInRange: NSMakeRange(NSF1FunctionKey, 15)]; // F1-F15
88        textRejectSet = [set copy];
89        [set release];
90        // command-shift
91        commandShiftRejectSet = [[NSCharacterSet characterSetWithCharactersInString: @"ACFGHIPQS~? "] retain];
92        // command-option
93        commandOptionRejectSet = [[NSCharacterSet characterSetWithCharactersInString: @"DW\\-= "] retain];
94    }
95    return self;
96}
97
98- (void)dealloc;
99{
100    [textRejectSet release];
101    [commandRejectSet release];
102    [commandShiftRejectSet release];
103    [commandOptionRejectSet release];
104    [super dealloc];
105}
106
107#pragma mark actions
108
109- (IBAction)hotKeySet:(NJRHotKeyField *)sender;
110{
111    [self writeToPrefs];
112}
113
114- (IBAction)showWindow:(id)sender;
115{
116    [self readFromPrefs];
117    [super showWindow: sender];
118}
119
120@end
121
122@implementation PSPreferencesController (NJRHotKeyFieldDelegate)
123
124- (BOOL)hotKeyField:(NJRHotKeyField *)hotKeyField shouldAcceptCharacter:(unichar)keyChar modifierFlags:(unsigned)modifierFlags rejectionMessage:(NSString **)message;
125{
126    *message = nil;
127   
128    if (modifierFlags == 0 || modifierFlags == NSShiftKeyMask || modifierFlags == NSAlternateKeyMask || modifierFlags == (NSShiftKeyMask | NSAlternateKeyMask)) {
129        *message = modifierFlags == 0 ? @"key is reserved for typing text" :
130                                        @"key combination is reserved for typing text";
131        return ![textRejectSet characterIsMember: keyChar];
132    }
133    if (modifierFlags == NSCommandKeyMask) {
134        *message = @"key combination is reserved for application use";
135        return ![commandRejectSet characterIsMember: keyChar];
136    }
137    if (modifierFlags == (NSCommandKeyMask | NSShiftKeyMask)) {
138        *message = @"key combination is reserved for application use";
139        return ![commandShiftRejectSet characterIsMember: keyChar];
140    }
141    if (modifierFlags == (NSCommandKeyMask | NSAlternateKeyMask)) {
142        *message = @"key combination is reserved for Mac OS X use";
143        return ![commandOptionRejectSet characterIsMember: keyChar];
144    }
145    return YES;
146}
147
148@end
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