1848 lines
71 KiB
Plaintext
1848 lines
71 KiB
Plaintext
// Copyright (c) 2011 and onwards The McBopomofo Authors.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#import "InputMethodController.h"
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#import <fstream>
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#import <iostream>
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#import <set>
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#import "OVStringHelper.h"
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#import "OVUTF8Helper.h"
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#import "LanguageModelManager.h"
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#import "McBopomofo-Swift.h"
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@import CandidateUI;
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@import NotifierUI;
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@import TooltipUI;
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@import OpenCCBridge;
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@import VXHanConvert;
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// C++ namespace usages
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using namespace std;
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using namespace Formosa::Mandarin;
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using namespace Formosa::Gramambular;
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using namespace McBopomofo;
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using namespace OpenVanilla;
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static const NSInteger kMinKeyLabelSize = 10;
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static const NSInteger kMinMarkRangeLength = 2;
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static const NSInteger kMaxMarkRangeLength = 6;
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// input modes
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static NSString *const kBopomofoModeIdentifier = @"org.openvanilla.inputmethod.McBopomofo.Bopomofo";
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static NSString *const kPlainBopomofoModeIdentifier = @"org.openvanilla.inputmethod.McBopomofo.PlainBopomofo";
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// key code enums
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enum {
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kEnterKeyCode = 76,
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kUpKeyCode = 126,
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kDownKeyCode = 125,
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kLeftKeyCode = 123,
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kRightKeyCode = 124,
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kPageUpKeyCode = 116,
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kPageDownKeyCode = 121,
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kHomeKeyCode = 115,
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kEndKeyCode = 119,
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kDeleteKeyCode = 117
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};
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VTCandidateController *gCurrentCandidateController = nil;
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// if DEBUG is defined, a DOT file (GraphViz format) will be written to the
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// specified path everytime the grid is walked
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#if DEBUG
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static NSString *const kGraphVizOutputfile = @"/tmp/McBopomofo-visualization.dot";
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#endif
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// https://clang-analyzer.llvm.org/faq.html
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__attribute__((annotate("returns_localized_nsstring")))
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static inline NSString *LocalizationNotNeeded(NSString *s) {
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return s;
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}
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@interface McBopomofoInputMethodController()
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{
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InputState *_state;
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}
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@end
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@interface McBopomofoInputMethodController (VTCandidateController) <VTCandidateControllerDelegate>
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@end
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// sort helper
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class NodeAnchorDescendingSorter
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{
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public:
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bool operator()(const NodeAnchor& a, const NodeAnchor &b) const {
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return a.node->key().length() > b.node->key().length();
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}
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};
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static const double kEpsilon = 0.000001;
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static double FindHighestScore(const vector<NodeAnchor>& nodes, double epsilon) {
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double highestScore = 0.0;
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for (auto ni = nodes.begin(), ne = nodes.end(); ni != ne; ++ni) {
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double score = ni->node->highestUnigramScore();
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if (score > highestScore) {
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highestScore = score;
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}
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}
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return highestScore + epsilon;
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}
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@implementation McBopomofoInputMethodController
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- (void)dealloc
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{
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// clean up everything
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if (_bpmfReadingBuffer) {
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delete _bpmfReadingBuffer;
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}
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if (_builder) {
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delete _builder;
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}
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}
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- (id)initWithServer:(IMKServer *)server delegate:(id)delegate client:(id)client
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{
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// an instance is initialized whenever a text input client (a Mac app) requires
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// text input from an IME
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self = [super initWithServer:server delegate:delegate client:client];
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if (self) {
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_candidates = [[NSMutableArray alloc] init];
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// create the reading buffer
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_bpmfReadingBuffer = new BopomofoReadingBuffer(BopomofoKeyboardLayout::StandardLayout());
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// create the lattice builder
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_languageModel = [LanguageModelManager languageModelMcBopomofo];
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_languageModel->setPhraseReplacementEnabled(Preferences.phraseReplacementEnabled);
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_userOverrideModel = [LanguageModelManager userOverrideModel];
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_builder = new BlockReadingBuilder(_languageModel);
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// each Mandarin syllable is separated by a hyphen
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_builder->setJoinSeparator("-");
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// create the composing buffer
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_composingBuffer = [[NSMutableString alloc] init];
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_inputMode = kBopomofoModeIdentifier;
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_state = [[InputStateEmpty alloc] init];
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}
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return self;
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}
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- (NSMenu *)menu
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{
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// a menu instance (autoreleased) is requested every time the user click on the input menu
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NSMenu *menu = [[NSMenu alloc] initWithTitle:LocalizationNotNeeded(@"Input Method Menu")];
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[menu addItemWithTitle:NSLocalizedString(@"McBopomofo Preferences", @"") action:@selector(showPreferences:) keyEquivalent:@""];
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NSMenuItem *chineseConversionMenuItem = [menu addItemWithTitle:NSLocalizedString(@"Chinese Conversion", @"") action:@selector(toggleChineseConverter:) keyEquivalent:@"g"];
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chineseConversionMenuItem.keyEquivalentModifierMask = NSEventModifierFlagCommand | NSEventModifierFlagControl;
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chineseConversionMenuItem.state = Preferences.chineseConversionEnabled ? NSControlStateValueOn : NSControlStateValueOff;
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NSMenuItem *halfWidthPunctuationMenuItem = [menu addItemWithTitle:NSLocalizedString(@"Use Half-Width Punctuations", @"") action:@selector(toggleHalfWidthPunctuation:) keyEquivalent:@""];
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halfWidthPunctuationMenuItem.state = Preferences.halfWidthPunctuationEnabled ? NSControlStateValueOn : NSControlStateValueOff;
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BOOL optionKeyPressed = [[NSEvent class] respondsToSelector:@selector(modifierFlags)] && ([NSEvent modifierFlags] & NSEventModifierFlagOption);
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if (_inputMode == kBopomofoModeIdentifier && optionKeyPressed) {
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NSMenuItem *phaseReplacementMenuItem = [menu addItemWithTitle:NSLocalizedString(@"Use Phrase Replacement", @"") action:@selector(togglePhraseReplacementEnabled:) keyEquivalent:@""];
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phaseReplacementMenuItem.state = Preferences.phraseReplacementEnabled ? NSControlStateValueOn : NSControlStateValueOff;
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}
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[menu addItem:[NSMenuItem separatorItem]];
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[menu addItemWithTitle:NSLocalizedString(@"User Phrases", @"") action:NULL keyEquivalent:@""];
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if (_inputMode == kPlainBopomofoModeIdentifier) {
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NSMenuItem *editExcludedPhrasesItem = [[NSMenuItem alloc] initWithTitle:NSLocalizedString(@"Edit Excluded Phrases", @"") action:@selector(openExcludedPhrasesPlainBopomofo:) keyEquivalent:@""];
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[menu addItem:editExcludedPhrasesItem];
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}
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else {
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[menu addItemWithTitle:NSLocalizedString(@"Edit User Phrases", @"") action:@selector(openUserPhrases:) keyEquivalent:@""];
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[menu addItemWithTitle:NSLocalizedString(@"Edit Excluded Phrases", @"") action:@selector(openExcludedPhrasesMcBopomofo:) keyEquivalent:@""];
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if (optionKeyPressed) {
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[menu addItemWithTitle:NSLocalizedString(@"Edit Phrase Replacement Table", @"") action:@selector(openPhraseReplacementMcBopomofo:) keyEquivalent:@""];
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}
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}
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[menu addItemWithTitle:NSLocalizedString(@"Reload User Phrases", @"") action:@selector(reloadUserPhrases:) keyEquivalent:@""];
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[menu addItem:[NSMenuItem separatorItem]];
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[menu addItemWithTitle:NSLocalizedString(@"Check for Updates…", @"") action:@selector(checkForUpdate:) keyEquivalent:@""];
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[menu addItemWithTitle:NSLocalizedString(@"About McBopomofo…", @"") action:@selector(showAbout:) keyEquivalent:@""];
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return menu;
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}
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#pragma mark - IMKStateSetting protocol methods
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- (void)activateServer:(id)client
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{
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[[NSUserDefaults standardUserDefaults] synchronize];
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// Override the keyboard layout. Use US if not set.
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NSString *basisKeyboardLayoutID = Preferences.basisKeyboardLayout;
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[client overrideKeyboardWithKeyboardNamed:basisKeyboardLayoutID];
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// reset the state
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_currentDeferredClient = nil;
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_currentCandidateClient = nil;
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InputStateEmpty *newState = [[InputStateEmpty alloc] init];
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[self handleState:newState client:client];
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// checks and populates the default settings
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switch (Preferences.keyboardLayout) {
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case KeyboardLayoutStandard:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::StandardLayout());
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break;
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case KeyboardLayoutEten:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::ETenLayout());
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break;
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case KeyboardLayoutHsu:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::HsuLayout());
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break;
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case KeyboardLayoutEten26:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::ETen26Layout());
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break;
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case KeyboardLayoutHanyuPinyin:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::HanyuPinyinLayout());
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break;
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case KeyboardLayoutIBM:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::IBMLayout());
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break;
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default:
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_bpmfReadingBuffer->setKeyboardLayout(BopomofoKeyboardLayout::StandardLayout());
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Preferences.keyboardLayout = KeyboardLayoutStandard;
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}
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_languageModel->setExternalConverterEnabled(Preferences.chineseConversionStyle == 1);
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[(AppDelegate *)[NSApp delegate] checkForUpdate];
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}
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- (void)deactivateServer:(id)client
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{
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InputStateDeactive *newState = [[InputStateDeactive alloc] init];
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[self handleState:newState client:client];
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}
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- (void)setValue:(id)value forTag:(long)tag client:(id)sender
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{
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NSString *newInputMode;
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McBopomofoLM *newLanguageModel;
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if ([value isKindOfClass:[NSString class]] && [value isEqual:kPlainBopomofoModeIdentifier]) {
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newInputMode = kPlainBopomofoModeIdentifier;
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newLanguageModel = [LanguageModelManager languageModelPlainBopomofo];
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newLanguageModel->setPhraseReplacementEnabled(false);
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}
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else {
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newInputMode = kBopomofoModeIdentifier;
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newLanguageModel = [LanguageModelManager languageModelMcBopomofo];
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newLanguageModel->setPhraseReplacementEnabled(Preferences.phraseReplacementEnabled);
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}
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newLanguageModel->setExternalConverterEnabled(Preferences.chineseConversionStyle == 1);
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// Only apply the changes if the value is changed
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if (![_inputMode isEqualToString:newInputMode]) {
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[[NSUserDefaults standardUserDefaults] synchronize];
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// Remember to override the keyboard layout again -- treat this as an activate eventy
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NSString *basisKeyboardLayoutID = Preferences.basisKeyboardLayout;
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[sender overrideKeyboardWithKeyboardNamed:basisKeyboardLayoutID];
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_inputMode = newInputMode;
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_languageModel = newLanguageModel;
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if (_builder) {
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delete _builder;
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_builder = new BlockReadingBuilder(_languageModel);
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_builder->setJoinSeparator("-");
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}
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if (!_bpmfReadingBuffer->isEmpty()) {
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_bpmfReadingBuffer->clear();
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[self updateClientComposingBuffer:sender];
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}
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if ([_composingBuffer length] > 0) {
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[self commitComposition:sender];
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}
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}
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}
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#pragma mark - IMKServerInput protocol methods
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- (NSString *)_convertToSimplifiedChineseIfRequired:(NSString *)text
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{
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if (!Preferences.chineseConversionEnabled) {
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return text;
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}
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if (Preferences.chineseConversionStyle == 1) {
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return text;
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}
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if (Preferences.chineseConversionEngine == 1) {
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return [VXHanConvert convertToSimplifiedFrom:text];
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}
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return [OpenCCBridge convertToSimplified:text];
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}
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- (void)commitComposition:(id)client
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{
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// if it's Terminal, we don't commit at the first call (the client of which will not be IPMDServerClientWrapper)
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// then we defer the update in the next runloop round -- so that the composing buffer is not
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// meaninglessly flushed, an annoying bug in Terminal.app since Mac OS X 10.5
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if ([[client bundleIdentifier] isEqualToString:@"com.apple.Terminal"] && ![NSStringFromClass([client class]) isEqualToString:@"IPMDServerClientWrapper"]) {
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if (_currentDeferredClient) {
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[self performSelector:@selector(updateClientComposingBuffer:) withObject:_currentDeferredClient afterDelay:0.0];
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}
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return;
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}
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NSString *buffer = @"";
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if ([_state isKindOfClass: [InputStateInputting class]] ) {
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buffer = [(InputStateInputting *)_state composingBuffer];
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}
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// Chinese conversion.
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// NSString *buffer = [self _convertToSimplifiedChineseIfRequired:_composingBuffer];
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// commit the text, clear the state
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if ([buffer length]) {
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buffer = [self _convertToSimplifiedChineseIfRequired:_composingBuffer];
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[client insertText:buffer replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
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}
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// zonble: these should be handled by states.
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// _builder->clear();
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// _walkedNodes.clear();
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// [_composingBuffer setString:@""];
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// gCurrentCandidateController.visible = NO;
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// [_candidates removeAllObjects];
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// [self _hideTooltip];
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}
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NS_INLINE size_t min(size_t a, size_t b) { return a < b ? a : b; }
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NS_INLINE size_t max(size_t a, size_t b) { return a > b ? a : b; }
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// TODO: bug #28 is more likely to live in this method.
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- (void)updateClientComposingBuffer:(id)client
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{
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// "updating the composing buffer" means to request the client to "refresh" the text input buffer
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// with our "composing text"
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[_composingBuffer setString:@""];
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NSInteger composedStringCursorIndex = 0;
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size_t readingCursorIndex = 0;
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size_t builderCursorIndex = _builder->cursorIndex();
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// we must do some Unicode codepoint counting to find the actual cursor location for the client
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// i.e. we need to take UTF-16 into consideration, for which a surrogate pair takes 2 UniChars
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// locations
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for (vector<NodeAnchor>::iterator wi = _walkedNodes.begin(), we = _walkedNodes.end() ; wi != we ; ++wi) {
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if ((*wi).node) {
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string nodeStr = (*wi).node->currentKeyValue().value;
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vector<string> codepoints = OVUTF8Helper::SplitStringByCodePoint(nodeStr);
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size_t codepointCount = codepoints.size();
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NSString *valueString = [NSString stringWithUTF8String:nodeStr.c_str()];
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[_composingBuffer appendString:valueString];
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// this re-aligns the cursor index in the composed string
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// (the actual cursor on the screen) with the builder's logical
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// cursor (reading) cursor; each built node has a "spanning length"
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// (e.g. two reading blocks has a spanning length of 2), and we
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// accumulate those lengthes to calculate the displayed cursor
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// index
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size_t spanningLength = (*wi).spanningLength;
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if (readingCursorIndex + spanningLength <= builderCursorIndex) {
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composedStringCursorIndex += [valueString length];
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readingCursorIndex += spanningLength;
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}
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else {
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for (size_t i = 0; i < codepointCount && readingCursorIndex < builderCursorIndex; i++) {
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composedStringCursorIndex += [[NSString stringWithUTF8String:codepoints[i].c_str()] length];
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readingCursorIndex++;
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}
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}
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}
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}
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// now we gather all the info, we separate the composing buffer to two parts, head and tail,
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// and insert the reading text (the Mandarin syllable) in between them;
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// the reading text is what the user is typing
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NSString *head = [_composingBuffer substringToIndex:composedStringCursorIndex];
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NSString *reading = [NSString stringWithUTF8String:_bpmfReadingBuffer->composedString().c_str()];
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NSString *tail = [_composingBuffer substringFromIndex:composedStringCursorIndex];
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NSString *composedText = [head stringByAppendingString:[reading stringByAppendingString:tail]];
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NSInteger cursorIndex = composedStringCursorIndex + [reading length];
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if (_bpmfReadingBuffer->isEmpty() && _builder->markerCursorIndex() != SIZE_MAX) {
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// if there is a marked range, we need to tear the string into three parts.
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NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:composedText];
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size_t begin = min(_builder->markerCursorIndex(), _builder->cursorIndex());
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size_t end = max(_builder->markerCursorIndex(), _builder->cursorIndex());
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[attrString setAttributes:@{
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NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
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NSMarkedClauseSegmentAttributeName: @0
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} range:NSMakeRange(0, begin)];
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[attrString setAttributes:@{
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NSUnderlineStyleAttributeName: @(NSUnderlineStyleThick),
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NSMarkedClauseSegmentAttributeName: @1
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} range:NSMakeRange(begin, end - begin)];
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[attrString setAttributes:@{
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NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
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NSMarkedClauseSegmentAttributeName: @2
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} range:NSMakeRange(end, [composedText length] - end)];
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// the selection range is where the cursor is, with the length being 0 and replacement range NSNotFound,
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// i.e. the client app needs to take care of where to put ths composing buffer
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[client setMarkedText:attrString selectionRange:NSMakeRange((NSInteger)_builder->markerCursorIndex(), 0) replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
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_latestReadingCursor = (NSInteger)_builder->markerCursorIndex();
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[self _showCurrentMarkedTextTooltipWithClient:client];
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}
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else {
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// we must use NSAttributedString so that the cursor is visible --
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// can't just use NSString
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NSDictionary *attrDict = @{NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
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NSMarkedClauseSegmentAttributeName: @0};
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NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:composedText attributes:attrDict];
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// the selection range is where the cursor is, with the length being 0 and replacement range NSNotFound,
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// i.e. the client app needs to take care of where to put ths composing buffer
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[client setMarkedText:attrString selectionRange:NSMakeRange(cursorIndex, 0) replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
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_latestReadingCursor = cursorIndex;
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[self _hideTooltip];
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}
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}
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- (void)walk
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{
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// retrieve the most likely trellis, i.e. a Maximum Likelihood Estimation
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// of the best possible Mandarain characters given the input syllables,
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// using the Viterbi algorithm implemented in the Gramambular library
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Walker walker(&_builder->grid());
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// the reverse walk traces the trellis from the end
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_walkedNodes = walker.reverseWalk(_builder->grid().width());
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// then we reverse the nodes so that we get the forward-walked nodes
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reverse(_walkedNodes.begin(), _walkedNodes.end());
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// if DEBUG is defined, a GraphViz file is written to kGraphVizOutputfile
|
|
#if DEBUG
|
|
string dotDump = _builder->grid().dumpDOT();
|
|
NSString *dotStr = [NSString stringWithUTF8String:dotDump.c_str()];
|
|
NSError *error = nil;
|
|
|
|
BOOL __unused success = [dotStr writeToFile:kGraphVizOutputfile atomically:YES encoding:NSUTF8StringEncoding error:&error];
|
|
#endif
|
|
}
|
|
|
|
- (void)popOverflowComposingTextAndWalk:(id)client
|
|
{
|
|
// in an ideal world, we can as well let the user type forever,
|
|
// but because the Viterbi algorithm has a complexity of O(N^2),
|
|
// the walk will become slower as the number of nodes increase,
|
|
// therefore we need to "pop out" overflown text -- they usually
|
|
// lose their influence over the whole MLE anyway -- so tht when
|
|
// the user type along, the already composed text at front will
|
|
// be popped out
|
|
|
|
NSInteger composingBufferSize = Preferences.composingBufferSize;
|
|
|
|
if (_builder->grid().width() > (size_t)composingBufferSize) {
|
|
if (_walkedNodes.size() > 0) {
|
|
NodeAnchor &anchor = _walkedNodes[0];
|
|
NSString *poppedText = [NSString stringWithUTF8String:anchor.node->currentKeyValue().value.c_str()];
|
|
// Chinese conversion.
|
|
poppedText = [self _convertToSimplifiedChineseIfRequired:poppedText];
|
|
[client insertText:poppedText replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
_builder->removeHeadReadings(anchor.spanningLength);
|
|
}
|
|
}
|
|
|
|
[self walk];
|
|
}
|
|
|
|
- (void)beep
|
|
{
|
|
// use the system's default sound (configurable in System Preferences) to give a warning
|
|
NSBeep();
|
|
}
|
|
|
|
- (string)_currentLayout
|
|
{
|
|
NSString *keyboardLayoutName = Preferences.keyboardLayoutName;
|
|
string layout = string(keyboardLayoutName.UTF8String) + string("_");
|
|
return layout;
|
|
}
|
|
|
|
- (BOOL)handleInputText:(NSString*)inputText key:(NSInteger)keyCode modifiers:(NSUInteger)flags client:(id)client
|
|
{
|
|
NSRect textFrame = NSZeroRect;
|
|
NSDictionary *attributes = nil;
|
|
|
|
bool composeReading = false;
|
|
BOOL useVerticalMode = NO;
|
|
|
|
@try {
|
|
attributes = [client attributesForCharacterIndex:0 lineHeightRectangle:&textFrame];
|
|
useVerticalMode = [attributes objectForKey:@"IMKTextOrientation"] && [[attributes objectForKey:@"IMKTextOrientation"] integerValue] == 0;
|
|
}
|
|
@catch (NSException *e) {
|
|
// exception may raise while using Twitter.app's search filed.
|
|
}
|
|
|
|
NSInteger cursorForwardKey = useVerticalMode ? kDownKeyCode : kRightKeyCode;
|
|
NSInteger cursorBackwardKey = useVerticalMode ? kUpKeyCode : kLeftKeyCode;
|
|
NSInteger extraChooseCandidateKey = useVerticalMode ? kLeftKeyCode : kDownKeyCode;
|
|
NSInteger absorbedArrowKey = useVerticalMode ? kRightKeyCode : kUpKeyCode;
|
|
NSInteger verticalModeOnlyChooseCandidateKey = useVerticalMode ? absorbedArrowKey : 0;
|
|
|
|
// get the unicode character code
|
|
UniChar charCode = [inputText length] ? [inputText characterAtIndex:0] : 0;
|
|
|
|
McBopomofoEmacsKey emacsKey = [EmacsKeyHelper detectWithCharCode:charCode flags:flags];
|
|
|
|
if ([[client bundleIdentifier] isEqualToString:@"com.apple.Terminal"] && [NSStringFromClass([client class]) isEqualToString:@"IPMDServerClientWrapper"]) {
|
|
// special handling for com.apple.Terminal
|
|
_currentDeferredClient = client;
|
|
}
|
|
|
|
// if the inputText is empty, it's a function key combination, we ignore it
|
|
if (![inputText length]) {
|
|
return NO;
|
|
}
|
|
|
|
// if the composing buffer is empty and there's no reading, and there is some function key combination, we ignore it
|
|
BOOL isFunctionKey = ((flags & NSEventModifierFlagCommand) || (flags & NSEventModifierFlagControl) || (flags & NSEventModifierFlagOption) || (flags & NSEventModifierFlagNumericPad));
|
|
if (![_state isKindOfClass:[InputStateInputting class]] && isFunctionKey) {
|
|
return NO;
|
|
}
|
|
|
|
// Caps Lock processing : if Caps Lock is on, temporarily disable bopomofo.
|
|
if (charCode == 8 || charCode == 13 || keyCode == absorbedArrowKey || keyCode == extraChooseCandidateKey || keyCode == cursorForwardKey || keyCode == cursorBackwardKey) {
|
|
// do nothing if backspace is pressed -- we ignore the key
|
|
}
|
|
else if (flags & NSAlphaShiftKeyMask) {
|
|
// process all possible combination, we hope.
|
|
InputStateEmpty *emptyState = [[InputStateEmpty alloc] init];
|
|
[self handleState:emptyState client:client];
|
|
|
|
// first commit everything in the buffer.
|
|
if (flags & NSEventModifierFlagShift) {
|
|
return NO;
|
|
}
|
|
|
|
// if ASCII but not printable, don't use insertText:replacementRange: as many apps don't handle non-ASCII char insertions.
|
|
if (charCode < 0x80 && !isprint(charCode)) {
|
|
return NO;
|
|
}
|
|
|
|
// when shift is pressed, don't do further processing, since it outputs capital letter anyway.
|
|
InputStateCommitting *committingState = [[InputStateCommitting alloc] initWithPoppedText:[inputText lowercaseString]];
|
|
[self handleState:committingState client:client];
|
|
[self handleState:emptyState client:client];
|
|
return YES;
|
|
}
|
|
|
|
if (flags & NSEventModifierFlagNumericPad) {
|
|
if (keyCode != kLeftKeyCode && keyCode != kRightKeyCode && keyCode != kDownKeyCode && keyCode != kUpKeyCode && charCode != 32 && isprint(charCode)) {
|
|
InputStateEmpty *emptyState = [[InputStateEmpty alloc] init];
|
|
[self handleState:emptyState client:client];
|
|
InputStateCommitting *commiting = [[InputStateCommitting alloc] initWithPoppedText:[inputText lowercaseString]];
|
|
[self handleState:commiting client:client];
|
|
[self handleState:emptyState client:client];
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
// if we have candidate, it means we need to pass the event to the candidate handler
|
|
if ([_state isKindOfClass:[InputStateChoosingCandidate class]]) {
|
|
return [self _handleCandidateEventWithInputText:inputText charCode:charCode keyCode:keyCode emacsKey:(McBopomofoEmacsKey)emacsKey];
|
|
}
|
|
|
|
if ([_state isKindOfClass:[InputStateMarking class]]) {
|
|
InputStateMarking *currentState = (InputStateMarking *)_state;
|
|
|
|
if (charCode == 27) {
|
|
_builder->setMarkerCursorIndex(SIZE_MAX);
|
|
InputStateInputting *state = [self buildInputingState];
|
|
[self handleState:state client:client];
|
|
return YES;
|
|
}
|
|
// Enter
|
|
if (charCode == 13) {
|
|
if (![self _writeUserPhrase]) {
|
|
[self beep];
|
|
}
|
|
InputStateInputting *state = [self buildInputingState];
|
|
[self handleState:state client:client];
|
|
return YES;
|
|
}
|
|
// Shift + left
|
|
if ((keyCode == cursorBackwardKey || emacsKey == McBopomofoEmacsKeyBackward)
|
|
&& (flags & NSEventModifierFlagShift)) {
|
|
NSUInteger index = currentState.markerIndex;
|
|
if (index > 0) {
|
|
index -= 1;
|
|
InputStateMarking *state = [[InputStateMarking alloc] initWithComposingBuffer:currentState.composingBuffer cursorIndex:currentState.cursorIndex markerIndex:index];
|
|
[self handleState:state client:client];
|
|
}
|
|
else {
|
|
[self handleState:currentState client:client];
|
|
[self beep];
|
|
}
|
|
return YES;
|
|
}
|
|
// Shift + Right
|
|
if ((keyCode == cursorForwardKey || emacsKey == McBopomofoEmacsKeyForward)
|
|
&& (flags & NSEventModifierFlagShift)) {
|
|
NSUInteger index = currentState.markerIndex;
|
|
if (index < currentState.composingBuffer.length) {
|
|
index += 1;
|
|
InputStateMarking *state = [[InputStateMarking alloc] initWithComposingBuffer:currentState.composingBuffer cursorIndex:currentState.cursorIndex markerIndex:index];
|
|
[self handleState:state client:client];
|
|
}
|
|
else {
|
|
[self handleState:currentState client:client];
|
|
[self beep];
|
|
}
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
|
|
// see if it's valid BPMF reading
|
|
if (_bpmfReadingBuffer->isValidKey((char)charCode)) {
|
|
_bpmfReadingBuffer->combineKey((char)charCode);
|
|
|
|
// if we have a tone marker, we have to insert the reading to the
|
|
// builder in other words, if we don't have a tone marker, we just
|
|
// update the composing buffer
|
|
composeReading = _bpmfReadingBuffer->hasToneMarker();
|
|
if (!composeReading) {
|
|
InputStateInputting *inputting = [self buildInputingState];
|
|
[self handleState:inputting client:client];
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
// see if we have composition if Enter/Space is hit and buffer is not empty
|
|
// this is bit-OR'ed so that the tone marker key is also taken into account
|
|
composeReading |= (!_bpmfReadingBuffer->isEmpty() && (charCode == 32 || charCode == 13));
|
|
if (composeReading) {
|
|
// combine the reading
|
|
string reading = _bpmfReadingBuffer->syllable().composedString();
|
|
|
|
// see if we have a unigram for this
|
|
if (!_languageModel->hasUnigramsForKey(reading)) {
|
|
[self beep];
|
|
[self handleState:_state client:client];
|
|
return YES;
|
|
}
|
|
|
|
// and insert it into the lattice
|
|
_builder->insertReadingAtCursor(reading);
|
|
|
|
// then walk the lattice
|
|
NSString *poppedText = [self popOverflowComposingTextAndWalk];
|
|
|
|
// get user override model suggestion
|
|
string overrideValue = (_inputMode == kPlainBopomofoModeIdentifier) ? "" :
|
|
_userOverrideModel->suggest(_walkedNodes, _builder->cursorIndex(), [[NSDate date] timeIntervalSince1970]);
|
|
|
|
if (!overrideValue.empty()) {
|
|
size_t cursorIndex = [self actualCandidateCursorIndex];
|
|
vector<NodeAnchor> nodes = _builder->grid().nodesCrossingOrEndingAt(cursorIndex);
|
|
double highestScore = FindHighestScore(nodes, kEpsilon);
|
|
_builder->grid().overrideNodeScoreForSelectedCandidate(cursorIndex, overrideValue, highestScore);
|
|
}
|
|
|
|
// then update the text
|
|
_bpmfReadingBuffer->clear();
|
|
|
|
InputStateInputting *state = [self buildInputingState];
|
|
state.poppedText = poppedText;
|
|
[self handleState:state client:client];
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier) {
|
|
[self _showCandidateWindowUsingVerticalMode:useVerticalMode client:client];
|
|
}
|
|
|
|
// and tells the client that the key is consumed
|
|
return YES;
|
|
}
|
|
|
|
// keyCode 125 = Down, charCode 32 = Space
|
|
if (_bpmfReadingBuffer->isEmpty() && [_composingBuffer length] > 0 && (keyCode == extraChooseCandidateKey || charCode == 32 || (useVerticalMode && (keyCode == verticalModeOnlyChooseCandidateKey)))) {
|
|
if (charCode == 32) {
|
|
// if the spacebar is NOT set to be a selection key
|
|
if ((flags & NSEventModifierFlagShift) != 0 || !Preferences.chooseCandidateUsingSpace) {
|
|
if (_builder->cursorIndex() >= _builder->length()) {
|
|
_bpmfReadingBuffer->clear();
|
|
InputStateCommitting *commiting = [[InputStateCommitting alloc] initWithPoppedText:@" "];
|
|
[self handleState:commiting client:client];
|
|
InputStateEmpty *empty = [[InputStateEmpty alloc] init];
|
|
[self handleState:empty client:client];
|
|
}
|
|
else if (_languageModel->hasUnigramsForKey(" ")) {
|
|
_builder->insertReadingAtCursor(" ");
|
|
NSString *poppedText = [self popOverflowComposingTextAndWalk];
|
|
InputStateInputting *state = [self buildInputingState];
|
|
state.poppedText = poppedText;
|
|
[self handleState:state client:client];
|
|
}
|
|
return YES;
|
|
|
|
}
|
|
}
|
|
[self _showCandidateWindowUsingVerticalMode:useVerticalMode client:client];
|
|
return YES;
|
|
}
|
|
|
|
// Esc
|
|
if (charCode == 27) {
|
|
BOOL escToClearInputBufferEnabled = Preferences.escToCleanInputBuffer;
|
|
|
|
if (escToClearInputBufferEnabled) {
|
|
// if the optioon is enabled, we clear everythiong including the composing
|
|
// buffer, walked nodes and the reading.
|
|
InputStateEmpty *empty = [[InputStateEmpty alloc] init];
|
|
[self handleState:empty client:client];
|
|
}
|
|
else {
|
|
// if reading is not empty, we cancel the reading; Apple's built-in
|
|
// Zhuyin (and the erstwhile Hanin) has a default option that Esc
|
|
// "cancels" the current composed character and revert it to
|
|
// Bopomofo reading, in odds with the expectation of users from
|
|
// other platforms
|
|
|
|
if (_bpmfReadingBuffer->isEmpty()) {
|
|
// no nee to beep since the event is deliberately triggered by user
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
}
|
|
else {
|
|
_bpmfReadingBuffer->clear();
|
|
}
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
// handle cursor backward
|
|
if (keyCode == cursorBackwardKey || emacsKey == McBopomofoEmacsKeyBackward) {
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
}
|
|
else {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (flags & NSEventModifierFlagShift) {
|
|
// Shift + left
|
|
if (_builder->cursorIndex() > 0) {
|
|
_builder->setMarkerCursorIndex(_builder->cursorIndex() - 1);
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
} else {
|
|
if (_builder->cursorIndex() > 0) {
|
|
_builder->setCursorIndex(_builder->cursorIndex() - 1);
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
// handle cursor forward
|
|
if (keyCode == cursorForwardKey || emacsKey == McBopomofoEmacsKeyForward) {
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
}
|
|
else {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (flags & NSEventModifierFlagShift) {
|
|
// Shift + Right
|
|
if (_builder->cursorIndex() < _builder->length()) {
|
|
_builder->setMarkerCursorIndex(_builder->cursorIndex() + 1);
|
|
} else {
|
|
[self beep];
|
|
}
|
|
} else {
|
|
if (_builder->cursorIndex() < _builder->length()) {
|
|
_builder->setCursorIndex(_builder->cursorIndex() + 1);
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
if (keyCode == kHomeKeyCode || emacsKey == McBopomofoEmacsKeyHome) {
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
}
|
|
else {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (_builder->cursorIndex()) {
|
|
_builder->setCursorIndex(0);
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
if (keyCode == kEndKeyCode || emacsKey == McBopomofoEmacsKeyEnd) {
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
}
|
|
else {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (_builder->cursorIndex() != _builder->length()) {
|
|
_builder->setCursorIndex(_builder->length());
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
if (keyCode == absorbedArrowKey || keyCode == extraChooseCandidateKey) {
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
}
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
// Backspace
|
|
if (charCode == 8) {
|
|
if (_bpmfReadingBuffer->isEmpty()) {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (_builder->cursorIndex()) {
|
|
_builder->deleteReadingBeforeCursor();
|
|
[self walk];
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
else {
|
|
_bpmfReadingBuffer->backspace();
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
// Delete
|
|
if (keyCode == kDeleteKeyCode || emacsKey == McBopomofoEmacsKeyDelete) {
|
|
if (_bpmfReadingBuffer->isEmpty()) {
|
|
if (![_state isKindOfClass:[InputStateInputting class]]) {
|
|
return NO;
|
|
}
|
|
|
|
if (_builder->cursorIndex() != _builder->length()) {
|
|
_builder->deleteReadingAfterCursor();
|
|
[self walk];
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
}
|
|
else {
|
|
[self beep];
|
|
}
|
|
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
return YES;
|
|
}
|
|
|
|
// Enter
|
|
if (charCode == 13) {
|
|
InputStateInputting *newState = [self buildInputingState];
|
|
[self handleState:newState client:client];
|
|
|
|
if ([_state isKindOfClass:[InputStateInputting class]]) {
|
|
InputStateInputting *current = (InputStateInputting *)_state;
|
|
NSString *composingBuffer = current.composingBuffer;
|
|
InputStateCommitting *commiting = [[InputStateCommitting alloc] initWithPoppedText:composingBuffer];
|
|
[self handleState:commiting client:client];
|
|
InputState *empty = [[InputState alloc] init];
|
|
[self handleState:empty client:client];
|
|
return YES;
|
|
}
|
|
|
|
return NO;
|
|
}
|
|
|
|
// punctuation list
|
|
if ((char)charCode == '`') {
|
|
if ([self _handlePunctuation:string("_punctuation_list") usingVerticalMode:useVerticalMode client:client]) {
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
// if nothing is matched, see if it's a punctuation key for current layout.
|
|
string layout = [self _currentLayout];
|
|
string punctuationNamePrefix = Preferences.halfWidthPunctuationEnabled ? string("_half_punctuation_"): string("_punctuation_");
|
|
string customPunctuation = punctuationNamePrefix + layout + string(1, (char)charCode);
|
|
if ([self _handlePunctuation:customPunctuation usingVerticalMode:useVerticalMode client:client]) {
|
|
return YES;
|
|
}
|
|
|
|
// if nothing is matched, see if it's a punctuation key.
|
|
string punctuation = punctuationNamePrefix + string(1, (char)charCode);
|
|
if ([self _handlePunctuation:punctuation usingVerticalMode:useVerticalMode client:client]) {
|
|
return YES;
|
|
}
|
|
|
|
if ((char)charCode >= 'A' && (char)charCode <= 'Z') {
|
|
string letter = string("_letter_") + string(1, (char)charCode);
|
|
if ([self _handlePunctuation:letter usingVerticalMode:useVerticalMode client:client]) {
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
// still nothing, then we update the composing buffer (some app has
|
|
// strange behavior if we don't do this, "thinking" the key is not
|
|
// actually consumed)
|
|
if ([_composingBuffer length] || !_bpmfReadingBuffer->isEmpty()) {
|
|
[self beep];
|
|
[self handleState:_state client:client];
|
|
return YES;
|
|
}
|
|
|
|
return NO;
|
|
}
|
|
|
|
- (BOOL)_handlePunctuation:(string)customPunctuation usingVerticalMode:(BOOL)useVerticalMode client:(id)client
|
|
{
|
|
if (_languageModel->hasUnigramsForKey(customPunctuation)) {
|
|
NSString *poppedText = @"";
|
|
if (_bpmfReadingBuffer->isEmpty()) {
|
|
_builder->insertReadingAtCursor(customPunctuation);
|
|
poppedText = [self popOverflowComposingTextAndWalk];
|
|
}
|
|
else { // If there is still unfinished bpmf reading, ignore the punctuation
|
|
[self beep];
|
|
}
|
|
InputStateInputting *inputting = [self buildInputingState];
|
|
inputting.poppedText = poppedText;
|
|
[self handleState:inputting client:client];
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier && _bpmfReadingBuffer->isEmpty()) {
|
|
[self collectCandidates];
|
|
if ([_candidates count] == 1) {
|
|
InputStateEmpty *empty = [[InputStateEmpty alloc] init];
|
|
[self handleState:empty client:client];
|
|
}
|
|
else {
|
|
[self _showCandidateWindowUsingVerticalMode:useVerticalMode client:client];
|
|
}
|
|
}
|
|
return YES;
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
- (BOOL)_handleCandidateEventWithInputText:(NSString *)inputText charCode:(UniChar)charCode keyCode:(NSUInteger)keyCode emacsKey:(McBopomofoEmacsKey)emacsKey
|
|
{
|
|
BOOL cancelCandidateKey =
|
|
(charCode == 27) ||
|
|
((_inputMode == kPlainBopomofoModeIdentifier) &&
|
|
(charCode == 8 || keyCode == kDeleteKeyCode));
|
|
|
|
if (cancelCandidateKey) {
|
|
gCurrentCandidateController.visible = NO;
|
|
[_candidates removeAllObjects];
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier) {
|
|
_builder->clear();
|
|
_walkedNodes.clear();
|
|
[_composingBuffer setString:@""];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if (charCode == 13 || keyCode == kEnterKeyCode) {
|
|
[self candidateController:gCurrentCandidateController didSelectCandidateAtIndex:gCurrentCandidateController.selectedCandidateIndex];
|
|
return YES;
|
|
}
|
|
else if (charCode == 32 || keyCode == kPageDownKeyCode || emacsKey == McBopomofoEmacsKeyNextPage) {
|
|
BOOL updated = [gCurrentCandidateController showNextPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if (keyCode == kPageUpKeyCode) {
|
|
BOOL updated = [gCurrentCandidateController showPreviousPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if (keyCode == kLeftKeyCode) {
|
|
if ([gCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
|
|
BOOL updated = [gCurrentCandidateController highlightPreviousCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else {
|
|
BOOL updated = [gCurrentCandidateController showPreviousPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
}
|
|
else if (emacsKey == McBopomofoEmacsKeyBackward) {
|
|
BOOL updated = [gCurrentCandidateController highlightPreviousCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if (keyCode == kRightKeyCode) {
|
|
if ([gCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
|
|
BOOL updated = [gCurrentCandidateController highlightNextCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else {
|
|
BOOL updated = [gCurrentCandidateController showNextPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
}
|
|
else if (emacsKey == McBopomofoEmacsKeyForward) {
|
|
BOOL updated = [gCurrentCandidateController highlightNextCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if (keyCode == kUpKeyCode) {
|
|
if ([gCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
|
|
BOOL updated = [gCurrentCandidateController showPreviousPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else {
|
|
BOOL updated = [gCurrentCandidateController highlightPreviousCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
}
|
|
else if (keyCode == kDownKeyCode) {
|
|
if ([gCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
|
|
BOOL updated = [gCurrentCandidateController showNextPage];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else {
|
|
BOOL updated = [gCurrentCandidateController highlightNextCandidate];
|
|
if (!updated) {
|
|
[self beep];
|
|
}
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
}
|
|
else if (keyCode == kHomeKeyCode || emacsKey == McBopomofoEmacsKeyHome) {
|
|
if (gCurrentCandidateController.selectedCandidateIndex == 0) {
|
|
[self beep];
|
|
|
|
}
|
|
else {
|
|
gCurrentCandidateController.selectedCandidateIndex = 0;
|
|
}
|
|
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else if ((keyCode == kEndKeyCode || emacsKey == McBopomofoEmacsKeyEnd) && [_candidates count] > 0) {
|
|
if (gCurrentCandidateController.selectedCandidateIndex == [_candidates count] - 1) {
|
|
[self beep];
|
|
}
|
|
else {
|
|
gCurrentCandidateController.selectedCandidateIndex = [_candidates count] - 1;
|
|
}
|
|
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
else {
|
|
NSInteger index = NSNotFound;
|
|
for (NSUInteger j = 0, c = [gCurrentCandidateController.keyLabels count]; j < c; j++) {
|
|
if ([inputText compare:[gCurrentCandidateController.keyLabels objectAtIndex:j] options:NSCaseInsensitiveSearch] == NSOrderedSame) {
|
|
index = j;
|
|
break;
|
|
}
|
|
}
|
|
|
|
[gCurrentCandidateController.keyLabels indexOfObject:inputText];
|
|
if (index != NSNotFound) {
|
|
NSUInteger candidateIndex = [gCurrentCandidateController candidateIndexAtKeyLabelIndex:index];
|
|
if (candidateIndex != NSUIntegerMax) {
|
|
[self candidateController:gCurrentCandidateController didSelectCandidateAtIndex:candidateIndex];
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier) {
|
|
string layout = [self _currentLayout];
|
|
string customPunctuation = string("_punctuation_") + layout + string(1, (char)charCode);
|
|
string punctuation = string("_punctuation_") + string(1, (char)charCode);
|
|
|
|
BOOL shouldAutoSelectCandidate = _bpmfReadingBuffer->isValidKey((char)charCode) || _languageModel->hasUnigramsForKey(customPunctuation) ||
|
|
_languageModel->hasUnigramsForKey(punctuation);
|
|
|
|
if (shouldAutoSelectCandidate) {
|
|
NSUInteger candidateIndex = [gCurrentCandidateController candidateIndexAtKeyLabelIndex:0];
|
|
if (candidateIndex != NSUIntegerMax) {
|
|
[self candidateController:gCurrentCandidateController didSelectCandidateAtIndex:candidateIndex];
|
|
return [self handleInputText:inputText key:keyCode modifiers:0 client:_currentCandidateClient];
|
|
}
|
|
}
|
|
}
|
|
|
|
[self beep];
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
- (NSUInteger)recognizedEvents:(id)sender
|
|
{
|
|
return NSKeyDownMask | NSFlagsChangedMask;
|
|
}
|
|
|
|
- (BOOL)handleEvent:(NSEvent *)event client:(id)client
|
|
{
|
|
if ([event type] == NSFlagsChanged) {
|
|
NSString *functionKeyKeyboardLayoutID = Preferences.functionKeyboardLayout;
|
|
NSString *basisKeyboardLayoutID = Preferences.basisKeyboardLayout;
|
|
|
|
// If no override is needed, just return NO.
|
|
if ([functionKeyKeyboardLayoutID isEqualToString:basisKeyboardLayoutID]) {
|
|
return NO;
|
|
}
|
|
|
|
// Function key pressed.
|
|
BOOL includeShift = Preferences.functionKeyKeyboardLayoutOverrideIncludeShiftKey;
|
|
if (([event modifierFlags] & ~NSEventModifierFlagShift) || (([event modifierFlags] & NSEventModifierFlagShift) && includeShift)) {
|
|
// Override the keyboard layout and let the OS do its thing
|
|
[client overrideKeyboardWithKeyboardNamed:functionKeyKeyboardLayoutID];
|
|
return NO;
|
|
}
|
|
|
|
// Revert back to the basis layout when the function key is released
|
|
[client overrideKeyboardWithKeyboardNamed:basisKeyboardLayoutID];
|
|
return NO;
|
|
}
|
|
|
|
NSString *inputText = [event characters];
|
|
NSInteger keyCode = [event keyCode];
|
|
NSUInteger flags = [event modifierFlags];
|
|
return [self handleInputText:inputText key:keyCode modifiers:flags client:client];
|
|
}
|
|
|
|
#pragma mark - States
|
|
|
|
- (InputStateInputting *)buildInputingState
|
|
{
|
|
// "updating the composing buffer" means to request the client to "refresh" the text input buffer
|
|
// with our "composing text"
|
|
NSMutableString *composingBuffer = [[NSMutableString alloc] init];
|
|
NSInteger composedStringCursorIndex = 0;
|
|
|
|
size_t readingCursorIndex = 0;
|
|
size_t builderCursorIndex = _builder->cursorIndex();
|
|
|
|
// we must do some Unicode codepoint counting to find the actual cursor location for the client
|
|
// i.e. we need to take UTF-16 into consideration, for which a surrogate pair takes 2 UniChars
|
|
// locations
|
|
for (vector<NodeAnchor>::iterator wi = _walkedNodes.begin(), we = _walkedNodes.end() ; wi != we ; ++wi) {
|
|
if ((*wi).node) {
|
|
string nodeStr = (*wi).node->currentKeyValue().value;
|
|
vector<string> codepoints = OVUTF8Helper::SplitStringByCodePoint(nodeStr);
|
|
size_t codepointCount = codepoints.size();
|
|
|
|
NSString *valueString = [NSString stringWithUTF8String:nodeStr.c_str()];
|
|
[composingBuffer appendString:valueString];
|
|
|
|
// this re-aligns the cursor index in the composed string
|
|
// (the actual cursor on the screen) with the builder's logical
|
|
// cursor (reading) cursor; each built node has a "spanning length"
|
|
// (e.g. two reading blocks has a spanning length of 2), and we
|
|
// accumulate those lengthes to calculate the displayed cursor
|
|
// index
|
|
size_t spanningLength = (*wi).spanningLength;
|
|
if (readingCursorIndex + spanningLength <= builderCursorIndex) {
|
|
composedStringCursorIndex += [valueString length];
|
|
readingCursorIndex += spanningLength;
|
|
}
|
|
else {
|
|
for (size_t i = 0; i < codepointCount && readingCursorIndex < builderCursorIndex; i++) {
|
|
composedStringCursorIndex += [[NSString stringWithUTF8String:codepoints[i].c_str()] length];
|
|
readingCursorIndex++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// now we gather all the info, we separate the composing buffer to two parts, head and tail,
|
|
// and insert the reading text (the Mandarin syllable) in between them;
|
|
// the reading text is what the user is typing
|
|
NSString *head = [composingBuffer substringToIndex:composedStringCursorIndex];
|
|
NSString *reading = [NSString stringWithUTF8String:_bpmfReadingBuffer->composedString().c_str()];
|
|
NSString *tail = [composingBuffer substringFromIndex:composedStringCursorIndex];
|
|
NSString *composedText = [head stringByAppendingString:[reading stringByAppendingString:tail]];
|
|
NSInteger cursorIndex = composedStringCursorIndex + [reading length];
|
|
|
|
InputStateInputting *newState = [[InputStateInputting alloc] initWithComposingBuffer:composedText cursorIndex:cursorIndex];
|
|
return newState;
|
|
}
|
|
|
|
- (NSString *)popOverflowComposingTextAndWalk
|
|
{
|
|
// in an ideal world, we can as well let the user type forever,
|
|
// but because the Viterbi algorithm has a complexity of O(N^2),
|
|
// the walk will become slower as the number of nodes increase,
|
|
// therefore we need to "pop out" overflown text -- they usually
|
|
// lose their influence over the whole MLE anyway -- so tht when
|
|
// the user type along, the already composed text at front will
|
|
// be popped out
|
|
|
|
NSString *poppedText = @"";
|
|
NSInteger composingBufferSize = Preferences.composingBufferSize;
|
|
|
|
if (_builder->grid().width() > (size_t)composingBufferSize) {
|
|
if (_walkedNodes.size() > 0) {
|
|
NodeAnchor &anchor = _walkedNodes[0];
|
|
poppedText = [NSString stringWithUTF8String:anchor.node->currentKeyValue().value.c_str()];
|
|
// Chinese conversion.
|
|
poppedText = [self _convertToSimplifiedChineseIfRequired:poppedText];
|
|
_builder->removeHeadReadings(anchor.spanningLength);
|
|
}
|
|
}
|
|
|
|
[self walk];
|
|
return poppedText;
|
|
}
|
|
|
|
- (void)commitCurrentTextIfRequired:(id)client
|
|
{
|
|
|
|
// if it's Terminal, we don't commit at the first call (the client of which will not be IPMDServerClientWrapper)
|
|
// then we defer the update in the next runloop round -- so that the composing buffer is not
|
|
// meaninglessly flushed, an annoying bug in Terminal.app since Mac OS X 10.5
|
|
// if ([[client bundleIdentifier] isEqualToString:@"com.apple.Terminal"] && ![NSStringFromClass([client class]) isEqualToString:@"IPMDServerClientWrapper"]) {
|
|
// if (_currentDeferredClient) {
|
|
// [self performSelector:@selector(updateClientComposingBuffer:) withObject:_currentDeferredClient afterDelay:0.0];
|
|
// }
|
|
// return;
|
|
// }
|
|
// TODO: handle this later
|
|
|
|
if ([_state isKindOfClass: [InputStateInputting class]] ) {
|
|
NSString *buffer = [(InputStateInputting *)_state composingBuffer];
|
|
buffer = [self _convertToSimplifiedChineseIfRequired:_composingBuffer];
|
|
[client insertText:buffer replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
}
|
|
}
|
|
|
|
- (void)handleState:(InputState *)newState client:(id)client
|
|
{
|
|
if ([newState isKindOfClass:[InputStateDeactive class]]) {
|
|
// clean up reading buffer residues
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
_bpmfReadingBuffer->clear();
|
|
[client setMarkedText:@"" selectionRange:NSMakeRange(0, 0) replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
}
|
|
|
|
// commit any residue in the composing buffer
|
|
[self commitCurrentTextIfRequired:client];
|
|
|
|
_currentDeferredClient = nil;
|
|
_currentCandidateClient = nil;
|
|
|
|
gCurrentCandidateController.delegate = nil;
|
|
gCurrentCandidateController.visible = NO;
|
|
// [_candidates removeAllObjects];
|
|
|
|
[self _hideTooltip];
|
|
|
|
_state = newState;
|
|
return;
|
|
}
|
|
|
|
if ([newState isKindOfClass:[InputStateEmpty class]]) {
|
|
[self commitCurrentTextIfRequired:client];
|
|
|
|
_builder->clear();
|
|
_walkedNodes.clear();
|
|
// [_composingBuffer setString:@""];
|
|
gCurrentCandidateController.visible = NO;
|
|
// [_candidates removeAllObjects];
|
|
|
|
[self _hideTooltip];
|
|
|
|
_state = newState;
|
|
return;
|
|
}
|
|
|
|
if ([newState isKindOfClass:[InputStateCommitting class]]) {
|
|
NSString *poppedText = [(InputStateCommitting *)newState poppedText];
|
|
[client insertText:poppedText replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
_state = newState;
|
|
return;
|
|
}
|
|
|
|
if ([newState isKindOfClass:[InputStateInputting class]]) {
|
|
InputStateInputting *current = (InputStateInputting *)newState;
|
|
NSString *poppedText = current.poppedText;
|
|
if (poppedText.length) {
|
|
[client insertText:poppedText replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
}
|
|
|
|
gCurrentCandidateController.visible = NO;
|
|
[self _hideTooltip];
|
|
|
|
NSString *composedText = [(InputStateInputting *)newState composingBuffer];
|
|
NSUInteger cursorIndex = [(InputStateInputting *)newState cursorIndex];
|
|
// we must use NSAttributedString so that the cursor is visible --
|
|
// can't just use NSString
|
|
NSDictionary *attrDict = @{NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
|
|
NSMarkedClauseSegmentAttributeName: @0};
|
|
NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:composedText attributes:attrDict];
|
|
|
|
// the selection range is where the cursor is, with the length being 0 and replacement range NSNotFound,
|
|
// i.e. the client app needs to take care of where to put ths composing buffer
|
|
[client setMarkedText:attrString selectionRange:NSMakeRange(cursorIndex, 0) replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
|
|
// _latestReadingCursor = cursorIndex;
|
|
|
|
_state = newState;
|
|
return;
|
|
}
|
|
}
|
|
|
|
#pragma mark - Private methods
|
|
|
|
+ (VTHorizontalCandidateController *)horizontalCandidateController
|
|
{
|
|
static VTHorizontalCandidateController *instance = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
instance = [[VTHorizontalCandidateController alloc] init];
|
|
});
|
|
return instance;
|
|
}
|
|
|
|
+ (VTVerticalCandidateController *)verticalCandidateController
|
|
{
|
|
static VTVerticalCandidateController *instance = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
instance = [[VTVerticalCandidateController alloc] init];
|
|
});
|
|
return instance;
|
|
}
|
|
|
|
+ (TooltipController *)tooltipController
|
|
{
|
|
static TooltipController *instance = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
instance = [[TooltipController alloc] init];
|
|
});
|
|
return instance;
|
|
}
|
|
|
|
- (void)collectCandidates
|
|
{
|
|
// returns the candidate
|
|
[_candidates removeAllObjects];
|
|
|
|
size_t cursorIndex = [self actualCandidateCursorIndex];
|
|
vector<NodeAnchor> nodes = _builder->grid().nodesCrossingOrEndingAt(cursorIndex);
|
|
|
|
// sort the nodes, so that longer nodes (representing longer phrases) are placed at the top of the candidate list
|
|
stable_sort(nodes.begin(), nodes.end(), NodeAnchorDescendingSorter());
|
|
|
|
// then use the C++ trick to retrieve the candidates for each node at/crossing the cursor
|
|
for (vector<NodeAnchor>::iterator ni = nodes.begin(), ne = nodes.end(); ni != ne; ++ni) {
|
|
const vector<KeyValuePair>& candidates = (*ni).node->candidates();
|
|
for (vector<KeyValuePair>::const_iterator ci = candidates.begin(), ce = candidates.end(); ci != ce; ++ci) {
|
|
[_candidates addObject:[NSString stringWithUTF8String:(*ci).value.c_str()]];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (size_t)actualCandidateCursorIndex
|
|
{
|
|
size_t cursorIndex = _builder->cursorIndex();
|
|
if (Preferences.selectPhraseAfterCursorAsCandidate) {
|
|
// MS Phonetics IME style, phrase is *after* the cursor, i.e. cursor is always *before* the phrase
|
|
if (cursorIndex < _builder->length()) {
|
|
++cursorIndex;
|
|
}
|
|
}
|
|
else {
|
|
if (!cursorIndex) {
|
|
++cursorIndex;
|
|
}
|
|
}
|
|
|
|
return cursorIndex;
|
|
}
|
|
|
|
- (void)_showCandidateWindowUsingVerticalMode:(BOOL)useVerticalMode client:(id)client
|
|
{
|
|
// set the candidate panel style
|
|
|
|
if (useVerticalMode) {
|
|
gCurrentCandidateController = [McBopomofoInputMethodController verticalCandidateController];
|
|
}
|
|
else if (Preferences.useHorizontalCandidateList) {
|
|
gCurrentCandidateController = [McBopomofoInputMethodController horizontalCandidateController];
|
|
}
|
|
else {
|
|
gCurrentCandidateController = [McBopomofoInputMethodController verticalCandidateController];
|
|
}
|
|
|
|
// set the attributes for the candidate panel (which uses NSAttributedString)
|
|
NSInteger textSize = Preferences.candidateListTextSize;
|
|
|
|
NSInteger keyLabelSize = textSize / 2;
|
|
if (keyLabelSize < kMinKeyLabelSize) {
|
|
keyLabelSize = kMinKeyLabelSize;
|
|
}
|
|
|
|
NSString *ctFontName = Preferences.candidateTextFontName;
|
|
NSString *klFontName = Preferences.candidateKeyLabelFontName;
|
|
NSString *ckeys = Preferences.candidateKeys;
|
|
|
|
gCurrentCandidateController.keyLabelFont = klFontName ? [NSFont fontWithName:klFontName size:keyLabelSize] : [NSFont systemFontOfSize:keyLabelSize];
|
|
gCurrentCandidateController.candidateFont = ctFontName ? [NSFont fontWithName:ctFontName size:textSize] : [NSFont systemFontOfSize:textSize];
|
|
|
|
NSMutableArray *keyLabels = [NSMutableArray arrayWithObjects:@"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", nil];
|
|
|
|
if ([ckeys length] > 1) {
|
|
[keyLabels removeAllObjects];
|
|
for (NSUInteger i = 0, c = [ckeys length]; i < c; i++) {
|
|
[keyLabels addObject:[ckeys substringWithRange:NSMakeRange(i, 1)]];
|
|
}
|
|
}
|
|
|
|
gCurrentCandidateController.keyLabels = keyLabels;
|
|
[self collectCandidates];
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier && [_candidates count] == 1) {
|
|
[self commitComposition:client];
|
|
return;
|
|
}
|
|
|
|
gCurrentCandidateController.delegate = self;
|
|
[gCurrentCandidateController reloadData];
|
|
|
|
// update the composing text, set the client
|
|
[self updateClientComposingBuffer:client];
|
|
_currentCandidateClient = client;
|
|
|
|
NSRect lineHeightRect = NSMakeRect(0.0, 0.0, 16.0, 16.0);
|
|
|
|
NSInteger cursor = 0;
|
|
|
|
// NSInteger cursor = _latestReadingCursor;
|
|
if ([_state respondsToSelector:@selector(cursorIndex)]) {
|
|
cursor = [[_state performSelector:@selector(cursorIndex)] integerValue];
|
|
}
|
|
|
|
if (cursor == [_composingBuffer length] && cursor != 0) {
|
|
cursor--;
|
|
}
|
|
|
|
// some apps (e.g. Twitter for Mac's search bar) handle this call incorrectly, hence the try-catch
|
|
@try {
|
|
[client attributesForCharacterIndex:cursor lineHeightRectangle:&lineHeightRect];
|
|
}
|
|
@catch (NSException *exception) {
|
|
NSLog(@"lineHeightRectangle %@", exception);
|
|
}
|
|
|
|
if (useVerticalMode) {
|
|
[gCurrentCandidateController setWindowTopLeftPoint:NSMakePoint(lineHeightRect.origin.x + lineHeightRect.size.width + 4.0, lineHeightRect.origin.y - 4.0) bottomOutOfScreenAdjustmentHeight:lineHeightRect.size.height + 4.0];
|
|
}
|
|
else {
|
|
[gCurrentCandidateController setWindowTopLeftPoint:NSMakePoint(lineHeightRect.origin.x, lineHeightRect.origin.y - 4.0) bottomOutOfScreenAdjustmentHeight:lineHeightRect.size.height + 4.0];
|
|
}
|
|
|
|
gCurrentCandidateController.visible = YES;
|
|
|
|
}
|
|
|
|
#pragma mark - User phrases
|
|
|
|
- (NSString *)_currentMarkedText
|
|
{
|
|
if (_builder->markerCursorIndex() < 0) {
|
|
return @"";
|
|
}
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
return @"";
|
|
}
|
|
|
|
size_t begin = min(_builder->markerCursorIndex(), _builder->cursorIndex());
|
|
size_t end = max(_builder->markerCursorIndex(), _builder->cursorIndex());
|
|
// A phrase should contian at least two characters.
|
|
if (end - begin < 1) {
|
|
return @"";
|
|
}
|
|
|
|
NSRange range = NSMakeRange((NSInteger)begin, (NSInteger)(end - begin));
|
|
NSString *selectedText = [_composingBuffer substringWithRange:range];
|
|
return selectedText;
|
|
}
|
|
|
|
- (NSString *)_currentMarkedTextAndReadings
|
|
{
|
|
if (_builder->markerCursorIndex() < 0) {
|
|
return @"";
|
|
}
|
|
if (!_bpmfReadingBuffer->isEmpty()) {
|
|
return @"";
|
|
}
|
|
|
|
size_t begin = min(_builder->markerCursorIndex(), _builder->cursorIndex());
|
|
size_t end = max(_builder->markerCursorIndex(), _builder->cursorIndex());
|
|
// A phrase should contian at least two characters.
|
|
if (end - begin < kMinMarkRangeLength) {
|
|
return @"";
|
|
}
|
|
if (end - begin > kMaxMarkRangeLength) {
|
|
return @"";
|
|
}
|
|
|
|
NSRange range = NSMakeRange((NSInteger)begin, (NSInteger)(end - begin));
|
|
NSString *selectedText = [_composingBuffer substringWithRange:range];
|
|
NSMutableString *string = [[NSMutableString alloc] init];
|
|
[string appendString:selectedText];
|
|
[string appendString:@" "];
|
|
NSMutableArray *readingsArray = [[NSMutableArray alloc] init];
|
|
vector<std::string> v = _builder->readingsAtRange(begin, end);
|
|
for(vector<std::string>::iterator it_i=v.begin(); it_i!=v.end(); ++it_i) {
|
|
[readingsArray addObject:[NSString stringWithUTF8String:it_i->c_str()]];
|
|
}
|
|
[string appendString:[readingsArray componentsJoinedByString:@"-"]];
|
|
return string;
|
|
}
|
|
|
|
- (BOOL)_writeUserPhrase
|
|
{
|
|
NSString *currentMarkedPhrase = [self _currentMarkedTextAndReadings];
|
|
if (![currentMarkedPhrase length]) {
|
|
[self beep];
|
|
return NO;
|
|
}
|
|
|
|
return [LanguageModelManager writeUserPhrase:currentMarkedPhrase];
|
|
}
|
|
|
|
- (void)_showCurrentMarkedTextTooltipWithClient:(id)client
|
|
{
|
|
NSString *text = [self _currentMarkedText];
|
|
NSInteger length = text.length;
|
|
if (!length) {
|
|
[self _hideTooltip];
|
|
}
|
|
else if (Preferences.phraseReplacementEnabled) {
|
|
NSString *message = NSLocalizedString(@"Phrase replacement mode is on. Not suggested to add phrase in the mode.", @"");
|
|
[self _showTooltip:message client:client];
|
|
}
|
|
else if (Preferences.chineseConversionStyle == 1 && Preferences.chineseConversionEnabled) {
|
|
NSString *message = NSLocalizedString(@"Model based Chinese conversion is on. Not suggested to add phrase in the mode.", @"");
|
|
[self _showTooltip:message client:client];
|
|
}
|
|
else if (length < kMinMarkRangeLength) {
|
|
NSString *message = [NSString stringWithFormat:NSLocalizedString(@"You are now selecting \"%@\". You can add a phrase with two or more characters.", @""), text];
|
|
[self _showTooltip:message client:client];
|
|
}
|
|
else if (length > kMaxMarkRangeLength) {
|
|
NSString *message = [NSString stringWithFormat:NSLocalizedString(@"You are now selecting \"%@\". A phrase cannot be longer than 6 characters.", @""), text];
|
|
[self _showTooltip:message client:client];
|
|
}
|
|
else {
|
|
NSString *messsage = [NSString stringWithFormat:NSLocalizedString(@"You are now selecting \"%@\". Press enter to add a new phrase.", @""), text];
|
|
[self _showTooltip:messsage client:client];
|
|
}
|
|
}
|
|
|
|
- (void)_showTooltip:(NSString *)tooltip client:(id)client
|
|
{
|
|
NSRect lineHeightRect = NSMakeRect(0.0, 0.0, 16.0, 16.0);
|
|
|
|
// NSInteger cursor = _latestReadingCursor;
|
|
NSInteger cursor = 0;
|
|
if ([_state respondsToSelector:@selector(cursorIndex)]) {
|
|
cursor = [[_state performSelector:@selector(cursorIndex)] integerValue];
|
|
}
|
|
// zonble: should be handled with state.
|
|
if (cursor == [_composingBuffer length] && cursor != 0) {
|
|
cursor--;
|
|
}
|
|
|
|
// some apps (e.g. Twitter for Mac's search bar) handle this call incorrectly, hence the try-catch
|
|
@try {
|
|
[client attributesForCharacterIndex:cursor lineHeightRectangle:&lineHeightRect];
|
|
}
|
|
@catch (NSException *exception) {
|
|
NSLog(@"%@", exception);
|
|
}
|
|
|
|
[[McBopomofoInputMethodController tooltipController] showTooltip:tooltip atPoint:lineHeightRect.origin];
|
|
}
|
|
|
|
- (void)_hideTooltip
|
|
{
|
|
if ([McBopomofoInputMethodController tooltipController].window.isVisible) {
|
|
[[McBopomofoInputMethodController tooltipController] hide];
|
|
}
|
|
}
|
|
|
|
#pragma mark - Misc menu items
|
|
|
|
- (void)showPreferences:(id)sender
|
|
{
|
|
// show the preferences panel, and also make the IME app itself the focus
|
|
if ([IMKInputController instancesRespondToSelector:@selector(showPreferences:)]) {
|
|
[super showPreferences:sender];
|
|
} else {
|
|
[(AppDelegate *)[NSApp delegate] showPreferences];
|
|
}
|
|
[[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
|
|
}
|
|
|
|
- (void)toggleChineseConverter:(id)sender
|
|
{
|
|
BOOL chineseConversionEnabled = [Preferences toggleChineseConversionEnabled];
|
|
[NotifierController notifyWithMessage:
|
|
chineseConversionEnabled ?
|
|
NSLocalizedString(@"Chinese conversion on", @"") :
|
|
NSLocalizedString(@"Chinese conversion off", @"") stay:NO];
|
|
}
|
|
|
|
- (void)toggleHalfWidthPunctuation:(id)sender
|
|
{
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-result"
|
|
[Preferences toggleHalfWidthPunctuationEnabled];
|
|
#pragma GCC diagnostic pop
|
|
}
|
|
|
|
- (void)togglePhraseReplacementEnabled:(id)sender
|
|
{
|
|
BOOL enabled = [Preferences togglePhraseReplacementEnabled];
|
|
McBopomofoLM *lm = [LanguageModelManager languageModelMcBopomofo];
|
|
lm->setPhraseReplacementEnabled(enabled);
|
|
}
|
|
|
|
- (void)checkForUpdate:(id)sender
|
|
{
|
|
[(AppDelegate *)[[NSApplication sharedApplication] delegate] checkForUpdateForced:YES];
|
|
}
|
|
|
|
- (BOOL)_checkUserFiles
|
|
{
|
|
if (![LanguageModelManager checkIfUserLanguageModelFilesExist] ) {
|
|
NSString *content = [NSString stringWithFormat:NSLocalizedString(@"Please check the permission of at \"%@\".", @""), [LanguageModelManager dataFolderPath]];
|
|
[[NonModalAlertWindowController sharedInstance] showWithTitle:NSLocalizedString(@"Unable to create the user phrase file.", @"") content:content confirmButtonTitle:NSLocalizedString(@"OK", @"") cancelButtonTitle:nil cancelAsDefault:NO delegate:nil];
|
|
return NO;
|
|
}
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (void)_openUserFile:(NSString *)path
|
|
{
|
|
if (![self _checkUserFiles]) {
|
|
return;
|
|
}
|
|
NSURL *url = [NSURL fileURLWithPath:path];
|
|
[[NSWorkspace sharedWorkspace] openURL:url];
|
|
}
|
|
|
|
- (void)openUserPhrases:(id)sender
|
|
{
|
|
[self _openUserFile:[LanguageModelManager userPhrasesDataPathMcBopomofo]];
|
|
}
|
|
|
|
- (void)openExcludedPhrasesPlainBopomofo:(id)sender
|
|
{
|
|
[self _openUserFile:[LanguageModelManager excludedPhrasesDataPathPlainBopomofo]];
|
|
}
|
|
|
|
- (void)openExcludedPhrasesMcBopomofo:(id)sender
|
|
{
|
|
[self _openUserFile:[LanguageModelManager excludedPhrasesDataPathMcBopomofo]];
|
|
}
|
|
|
|
- (void)openPhraseReplacementMcBopomofo:(id)sender
|
|
{
|
|
[self _openUserFile:[LanguageModelManager phraseReplacementDataPathMcBopomofo]];
|
|
}
|
|
|
|
- (void)reloadUserPhrases:(id)sender
|
|
{
|
|
[LanguageModelManager loadUserPhrases];
|
|
[LanguageModelManager loadUserPhraseReplacement];
|
|
}
|
|
|
|
- (void)showAbout:(id)sender
|
|
{
|
|
[[NSApplication sharedApplication] orderFrontStandardAboutPanel:sender];
|
|
[[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
|
|
}
|
|
|
|
|
|
|
|
@end
|
|
|
|
#pragma mark -
|
|
|
|
@implementation McBopomofoInputMethodController (VTCandidateController)
|
|
|
|
- (NSUInteger)candidateCountForController:(VTCandidateController *)controller
|
|
{
|
|
return [_candidates count];
|
|
}
|
|
|
|
- (NSString *)candidateController:(VTCandidateController *)controller candidateAtIndex:(NSUInteger)index
|
|
{
|
|
return [_candidates objectAtIndex:index];
|
|
}
|
|
|
|
- (void)candidateController:(VTCandidateController *)controller didSelectCandidateAtIndex:(NSUInteger)index
|
|
{
|
|
gCurrentCandidateController.visible = NO;
|
|
|
|
// candidate selected, override the node with selection
|
|
string selectedValue = [[_candidates objectAtIndex:index] UTF8String];
|
|
|
|
size_t cursorIndex = [self actualCandidateCursorIndex];
|
|
_builder->grid().fixNodeSelectedCandidate(cursorIndex, selectedValue);
|
|
if (_inputMode != kPlainBopomofoModeIdentifier) {
|
|
_userOverrideModel->observe(_walkedNodes, cursorIndex, selectedValue, [[NSDate date] timeIntervalSince1970]);
|
|
}
|
|
|
|
[_candidates removeAllObjects];
|
|
|
|
[self walk];
|
|
[self updateClientComposingBuffer:_currentCandidateClient];
|
|
|
|
if (_inputMode == kPlainBopomofoModeIdentifier) {
|
|
[self commitComposition:_currentCandidateClient];
|
|
return;
|
|
}
|
|
}
|
|
|
|
@end
|