| 1 | //
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| 2 | // NJRVoicePopUpButton.m
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| 3 | // Pester
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| 4 | //
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| 5 | // Created by Nicholas Riley on Sat Oct 26 2002.
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| 6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "NJRVoicePopUpButton.h"
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| 10 |
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| 11 | // XXX says nothing instead of "Alarm!" any more if there's no alarm message specified
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| 12 |
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| 13 | @implementation NJRVoicePopUpButton
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| 14 |
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| 15 | - (void)_refreshVoiceList;
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| 16 | {
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| 17 | NSMenu *menu;
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| 18 | NSMenuItem *item;
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| 19 | NSArray *voiceNames = [SUSpeaker voiceNames];
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| 20 |
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| 21 | [self removeAllItems];
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| 22 | menu = [self menu];
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| 23 | [menu setAutoenablesItems: NO];
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| 24 | // XXX would be more elegant with surrogate support like my font popup menu
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| 25 | item = [menu addItemWithTitle: @"ÇunknownÈ" action: nil keyEquivalent: @""];
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| 26 | [item setEnabled: NO];
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| 27 | [menu addItem: [NSMenuItem separatorItem]];
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| 28 | if (voiceNames == nil || [voiceNames count] == 0) {
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| 29 | item = [menu addItemWithTitle: @"CanÕt locate voices" action: nil keyEquivalent: @""];
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| 30 | [item setEnabled: NO];
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| 31 | } else {
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| 32 | NSEnumerator *e = [voiceNames objectEnumerator];
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| 33 | NSString *voiceName;
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| 34 | while ( (voiceName = [e nextObject]) != nil) {
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| 35 | item = [menu addItemWithTitle: voiceName action: @selector(_previewVoice) keyEquivalent: @""];
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| 36 | [item setTarget: self];
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| 37 | }
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| 38 | }
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| 39 | if (_speaker == nil) [self selectItemWithTitle: [SUSpeaker defaultVoice]];
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| 40 | }
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| 41 |
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| 42 | - (id)initWithFrame:(NSRect)frame;
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| 43 | {
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| 44 | if ( (self = [super initWithFrame: frame]) != nil) {
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| 45 | [self _refreshVoiceList];
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| 46 | }
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| 47 | return self;
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| 48 | }
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| 49 |
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| 50 | - (id)initWithCoder:(NSCoder *)coder;
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| 51 | {
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| 52 | if ( (self = [super initWithCoder: coder]) != nil) {
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| 53 | [self _refreshVoiceList];
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| 54 | }
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| 55 | return self;
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| 56 | }
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| 57 |
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| 58 | - (SUSpeaker *)_speaker;
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| 59 | {
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| 60 | if (_speaker == nil) _speaker = [[SUSpeaker alloc] init];
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| 61 | return _speaker;
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| 62 | }
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| 63 |
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| 64 | - (void)_invalidateVoiceSelection;
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| 65 | {
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| 66 | [self _refreshVoiceList];
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| 67 | [self selectItemAtIndex: 0];
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| 68 | }
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| 69 |
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| 70 | - (void)setVoice:(NSString *)voice;
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| 71 | {
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| 72 | int voiceIdx = [self indexOfItemWithTitle: voice];
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| 73 | if (voiceIdx == -1) {
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| 74 | [self _invalidateVoiceSelection];
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| 75 | } else {
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| 76 | [self selectItemAtIndex: voiceIdx];
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | - (void)_previewVoice;
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| 81 | {
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| 82 | NSString *voiceName = [self titleOfSelectedItem];
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| 83 | NSString *previewString = nil;
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| 84 | VoiceSpec voice;
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| 85 | OSStatus err = noErr;
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| 86 | VoiceDescription info;
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| 87 | short voiceIndex = [[SUSpeaker voiceNames] indexOfObject: voiceName] + 1;
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| 88 |
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| 89 | [_speaker stopSpeaking];
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| 90 |
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| 91 | if ( (err = GetIndVoice(voiceIndex, &voice)) != noErr) {
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| 92 | NSBeginAlertSheet(@"Voice not available", nil, nil, nil, [self window], nil, nil, nil, nil, @"The voice Ò%@Ó you selected could not be used. An error of type %ld occurred while attempting to retrieve voice information.", voiceName, err);
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| 93 | [self _invalidateVoiceSelection];
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| 94 | return;
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| 95 | }
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| 96 |
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| 97 | if (_delegate != nil && [_delegate respondsToSelector: @selector(voicePopUpButton:previewStringForVoice:)]) {
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| 98 | previewString = [_delegate voicePopUpButton: self previewStringForVoice: voiceName];
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| 99 | }
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| 100 |
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| 101 | if (previewString == nil) {
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| 102 | err = GetVoiceDescription(&voice, &info, sizeof(info));
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| 103 | if (err != noErr || info.comment[0] == 0)
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| 104 | previewString = voiceName;
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| 105 | else {
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| 106 | previewString = (NSString *)CFStringCreateWithPascalString(NULL, info.comment, kCFStringEncodingMacRoman);
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| 107 | [previewString autorelease];
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | [[self _speaker] setVoice: voiceIndex];
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| 112 | [_speaker speakText: previewString];
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| 113 | }
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| 114 |
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| 115 | - (void)dealloc;
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| 116 | {
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| 117 | [_speaker release];
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| 118 | [super dealloc];
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| 119 | }
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| 120 |
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| 121 | - (IBAction)stopVoicePreview:(id)sender;
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| 122 | {
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| 123 | [_speaker stopSpeaking];
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| 124 | }
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| 125 |
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| 126 | - (void)setEnabled:(BOOL)flag;
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| 127 | {
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| 128 | [super setEnabled: flag];
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| 129 | if (flag) ; // XXX [self stopVoicePreview: self]; // need to prohibit at startup
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| 130 | else [self stopVoicePreview: self];
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| 131 | }
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| 132 |
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| 133 | - (void)setDelegate:(id)delegate;
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| 134 | {
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| 135 | _delegate = delegate;
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| 136 | }
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| 137 |
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| 138 | - (id)delegate;
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| 139 | {
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| 140 | return _delegate;
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| 141 | }
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| 142 |
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| 143 | @end |
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