368 lines
14 KiB
Objective-C
368 lines
14 KiB
Objective-C
//
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// KBToolBar.m
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// CustomKeyboard
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//
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// Created by Mac on 2025/10/28.
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//
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#import "KBToolBar.h"
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#import "KBResponderUtils.h" // 查找 UIInputViewController，用于系统切换输入法
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#import "KBBackspaceUndoManager.h"
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#import "KBSkinManager.h"
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@interface KBToolBar ()
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@property (nonatomic, strong) UIView *leftContainer;
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@property (nonatomic, strong) NSArray<UIButton *> *leftButtonsInternal;
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//@property (nonatomic, strong) UIButton *settingsButtonInternal;
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@property (nonatomic, strong) UIButton *globeButtonInternal; // 可选：系统“切换输入法”键
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@property (nonatomic, strong) UIButton *undoButtonInternal; // 右侧撤销删除
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@property (nonatomic, assign) BOOL kbNeedsInputModeSwitchKey;
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@property (nonatomic, assign) BOOL kbUndoVisible;
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@end
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@implementation KBToolBar
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static NSString * const kKBAIKeyIdentifier = @"ai";
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static const CGFloat kKBAIButtonWidth = 36.0f;
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static const CGFloat kKBAIButtonHeight = 36.0f;
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- (instancetype)initWithFrame:(CGRect)frame{
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if (self = [super initWithFrame:frame]) {
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self.backgroundColor = [UIColor clearColor];
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_leftButtonTitles = @[@"AI"]; // 默认标题
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[self setupUI];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(kb_undoStateChanged)
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name:KBBackspaceUndoStateDidChangeNotification
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object:nil];
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}
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return self;
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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#pragma mark - Public
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- (NSArray<UIButton *> *)leftButtons {
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return self.leftButtonsInternal;
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}
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- (UIButton *)undoButton {
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return self.undoButtonInternal;
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}
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//- (UIButton *)settingsButton {
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// return self.settingsButtonInternal;
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//}
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- (void)setLeftButtonTitles:(NSArray<NSString *> *)leftButtonTitles {
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_leftButtonTitles = [leftButtonTitles copy];
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// Update titles if buttons already exist
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[self.leftButtonsInternal enumerateObjectsUsingBlock:^(UIButton * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
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if (idx < self.leftButtonTitles.count) {
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[obj setTitle:self.leftButtonTitles[idx] forState:UIControlStateNormal];
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}
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}];
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[self kb_updateAIButtonAppearance];
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}
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#pragma mark - 视图搭建
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- (void)setupUI {
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[self addSubview:self.leftContainer];
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// [self addSubview:self.settingsButtonInternal];
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[self addSubview:self.globeButtonInternal];
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[self addSubview:self.undoButtonInternal];
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// 右侧设置按钮
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// [self.settingsButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
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// make.right.equalTo(self.mas_right).offset(-12);
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// make.centerY.equalTo(self.mas_centerY);
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// make.width.height.mas_equalTo(32);
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// }];
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// 左侧地球键（按需显示）
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[self.globeButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(self.mas_left).offset(12);
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make.centerY.equalTo(self.mas_centerY);
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make.width.height.mas_equalTo(32);
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}];
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// 右侧撤销按钮
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[self.undoButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
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make.right.equalTo(self.mas_right).offset(-12);
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make.centerY.equalTo(self.mas_centerY);
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make.height.mas_equalTo(32);
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}];
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[self kb_updateLeftContainerConstraints];
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// 在左侧容器中创建按钮（数量 = 标题数量）
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NSMutableArray<UIButton *> *buttons = [NSMutableArray arrayWithCapacity:_leftButtonTitles.count];
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UIView *previous = nil;
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for (NSInteger i = 0; i < _leftButtonTitles.count; i++) {
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UIButton *btn = [self buildActionButtonAtIndex:i];
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[self.leftContainer addSubview:btn];
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[buttons addObject:btn];
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[btn mas_makeConstraints:^(MASConstraintMaker *make) {
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if (i == 0) {
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make.centerY.equalTo(self.leftContainer);
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make.width.mas_equalTo(kKBAIButtonWidth);
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make.height.mas_equalTo(kKBAIButtonHeight);
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} else {
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make.top.bottom.equalTo(self.leftContainer);
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}
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if (previous) {
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make.left.equalTo(previous.mas_right).offset(8);
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} else {
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make.left.equalTo(self.leftContainer.mas_left);
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}
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// 不再设置宽度约束，交给 intrinsicContentSize
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}];
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previous = btn;
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}
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// 可选：最后一个不要一定贴右边，避免被拉伸
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// 如果你希望它最多到右边，可以这样：
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if (previous) {
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[previous mas_makeConstraints:^(MASConstraintMaker *make) {
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make.right.lessThanOrEqualTo(self.leftContainer.mas_right);
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}];
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}
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self.leftButtonsInternal = buttons.copy;
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// 初始刷新地球键的可见性与事件绑定
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[self kb_refreshGlobeVisibility];
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[self kb_updateUndoVisibilityAnimated:NO];
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[self kb_applyTheme];
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}
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- (UIButton *)buildActionButtonAtIndex:(NSInteger)idx {
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UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
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btn.layer.cornerRadius = 16;
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btn.layer.masksToBounds = YES;
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btn.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
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btn.titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
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NSString *title = (idx < self.leftButtonTitles.count) ? self.leftButtonTitles[idx] : @"";
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[btn setTitle:title forState:UIControlStateNormal];
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[btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
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// 关键：左右各 10，按钮宽度 = 文本宽度 + 20
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btn.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 10);
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[btn setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
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[btn setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
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btn.tag = idx;
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[btn addTarget:self action:@selector(onLeftAction:) forControlEvents:UIControlEventTouchUpInside];
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return btn;
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}
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#pragma mark - Theme
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- (void)kb_applyTheme {
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[self kb_updateAIButtonAppearance];
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}
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- (void)kb_updateAIButtonAppearance {
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UIButton *aiButton = [self kb_aiButton];
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if (!aiButton) { return; }
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KBSkinManager *skinManager = [KBSkinManager shared];
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UIImage *icon = [skinManager iconImageForKeyIdentifier:kKBAIKeyIdentifier caseVariant:0];
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NSString *skinId = skinManager.current.skinId ?: @"";
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BOOL usingDefaultSkin = (skinId.length == 0 || [skinId isEqualToString:@"default"]);
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if (!icon && usingDefaultSkin) {
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icon = [UIImage imageNamed:@"ai_key_icon"];
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}
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if (icon) {
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[aiButton setBackgroundImage:icon forState:UIControlStateNormal];
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[aiButton setBackgroundImage:icon forState:UIControlStateHighlighted];
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[aiButton setBackgroundImage:icon forState:UIControlStateSelected];
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[aiButton setTitle:@"" forState:UIControlStateNormal];
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aiButton.backgroundColor = [UIColor clearColor];
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aiButton.layer.cornerRadius = 0;
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aiButton.layer.masksToBounds = NO;
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aiButton.contentEdgeInsets = UIEdgeInsetsZero;
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} else {
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[aiButton setBackgroundImage:nil forState:UIControlStateNormal];
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[aiButton setBackgroundImage:nil forState:UIControlStateHighlighted];
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[aiButton setBackgroundImage:nil forState:UIControlStateSelected];
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NSString *title = (self.leftButtonTitles.count > 0) ? self.leftButtonTitles[0] : @"AI";
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[aiButton setTitle:title forState:UIControlStateNormal];
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aiButton.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
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aiButton.layer.cornerRadius = 16;
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aiButton.layer.masksToBounds = YES;
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aiButton.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 10);
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}
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}
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#pragma mark - Actions
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- (void)onLeftAction:(UIButton *)sender {
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if ([self.delegate respondsToSelector:@selector(toolBar:didTapActionAtIndex:)]) {
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[self.delegate toolBar:self didTapActionAtIndex:sender.tag];
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}
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}
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- (void)onSettings {
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if ([self.delegate respondsToSelector:@selector(toolBarDidTapSettings:)]) {
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[self.delegate toolBarDidTapSettings:self];
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}
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}
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- (void)onUndo {
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if ([self.delegate respondsToSelector:@selector(toolBarDidTapUndo:)]) {
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[self.delegate toolBarDidTapUndo:self];
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}
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}
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#pragma mark - Lazy
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- (UIView *)leftContainer {
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if (!_leftContainer) {
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_leftContainer = [[UIView alloc] init];
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_leftContainer.backgroundColor = [UIColor clearColor];
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}
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return _leftContainer;
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}
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//- (UIButton *)settingsButtonInternal {
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// if (!_settingsButtonInternal) {
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// _settingsButtonInternal = [UIButton buttonWithType:UIButtonTypeSystem];
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// _settingsButtonInternal.layer.cornerRadius = 16;
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// _settingsButtonInternal.layer.masksToBounds = YES;
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// _settingsButtonInternal.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
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// [_settingsButtonInternal setTitle:@"⚙︎" forState:UIControlStateNormal]; // 简单的齿轮符号
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// [_settingsButtonInternal setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
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// [_settingsButtonInternal addTarget:self action:@selector(onSettings) forControlEvents:UIControlEventTouchUpInside];
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// }
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// return _settingsButtonInternal;
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//}
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- (UIButton *)globeButtonInternal {
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if (!_globeButtonInternal) {
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_globeButtonInternal = [UIButton buttonWithType:UIButtonTypeSystem];
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_globeButtonInternal.layer.cornerRadius = 16;
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_globeButtonInternal.layer.masksToBounds = YES;
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_globeButtonInternal.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
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[_globeButtonInternal setTitle:@"🌐" forState:UIControlStateNormal];
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[_globeButtonInternal setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
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}
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return _globeButtonInternal;
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}
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- (UIButton *)undoButtonInternal {
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if (!_undoButtonInternal) {
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_undoButtonInternal = [UIButton buttonWithType:UIButtonTypeSystem];
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_undoButtonInternal.layer.cornerRadius = 16;
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_undoButtonInternal.layer.masksToBounds = YES;
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_undoButtonInternal.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
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_undoButtonInternal.titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
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[_undoButtonInternal setTitle:@"撤销删除" forState:UIControlStateNormal];
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[_undoButtonInternal setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
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_undoButtonInternal.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 10);
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_undoButtonInternal.hidden = YES;
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_undoButtonInternal.alpha = 0.0;
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[_undoButtonInternal addTarget:self action:@selector(onUndo) forControlEvents:UIControlEventTouchUpInside];
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}
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return _undoButtonInternal;
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}
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- (UIButton *)kb_aiButton {
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if (self.leftButtonsInternal.count == 0) { return nil; }
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return self.leftButtonsInternal[0];
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}
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#pragma mark - Globe (Input Mode Switch)
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// 根据宿主是否已提供系统切换键，决定是否显示地球按钮；并绑定系统事件。
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- (void)kb_refreshGlobeVisibility {
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UIInputViewController *ivc = KBFindInputViewController(self);
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BOOL needSwitchKey = YES;
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if (ivc && [ivc respondsToSelector:@selector(needsInputModeSwitchKey)]) {
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needSwitchKey = ivc.needsInputModeSwitchKey; // YES 表示自定义键盘需要提供切换键
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}
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self.globeButtonInternal.hidden = !needSwitchKey;
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self.kbNeedsInputModeSwitchKey = needSwitchKey;
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[self kb_updateLeftContainerConstraints];
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// 绑定系统提供的输入法切换处理（点按切换、长按弹出列表）
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// 仅在需要时绑定，避免多余的事件转发
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[self.globeButtonInternal removeTarget:nil action:NULL forControlEvents:UIControlEventAllEvents];
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if (needSwitchKey && ivc) {
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SEL sel = NSSelectorFromString(@"handleInputModeListFromView:withEvent:");
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if ([ivc respondsToSelector:sel]) {
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[self.globeButtonInternal addTarget:ivc action:sel forControlEvents:UIControlEventAllTouchEvents];
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} else {
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// 回退：至少在点按时切换
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[self.globeButtonInternal addTarget:ivc action:@selector(advanceToNextInputMode) forControlEvents:UIControlEventTouchUpInside];
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}
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}
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}
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- (void)kb_updateLeftContainerConstraints {
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[self.leftContainer mas_remakeConstraints:^(MASConstraintMaker *make) {
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if (self.kbNeedsInputModeSwitchKey) {
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make.left.equalTo(self.globeButtonInternal.mas_right).offset(8);
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} else {
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make.left.equalTo(self.mas_left).offset(12);
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}
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if (self.kbUndoVisible) {
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make.right.equalTo(self.undoButtonInternal.mas_left).offset(-8);
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} else {
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make.right.equalTo(self).offset(-12);
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}
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make.centerY.equalTo(self.mas_centerY);
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make.height.mas_equalTo(MAX(32.0f, kKBAIButtonHeight));
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}];
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}
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- (void)kb_undoStateChanged {
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[self kb_updateUndoVisibilityAnimated:YES];
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}
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- (void)kb_updateUndoVisibilityAnimated:(BOOL)animated {
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BOOL visible = [KBBackspaceUndoManager shared].hasUndo;
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if (self.kbUndoVisible == visible) { return; }
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self.kbUndoVisible = visible;
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self.undoButtonInternal.hidden = NO;
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[self kb_updateLeftContainerConstraints];
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void (^changes)(void) = ^{
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self.undoButtonInternal.alpha = visible ? 1.0 : 0.0;
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[self layoutIfNeeded];
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};
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void (^finish)(BOOL) = ^(BOOL finished) {
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self.undoButtonInternal.hidden = !visible;
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};
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if (animated) {
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[UIView animateWithDuration:0.18
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delay:0
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options:UIViewAnimationOptionCurveEaseInOut
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animations:changes
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completion:finish];
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} else {
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changes();
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finish(YES);
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}
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}
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- (void)didMoveToWindow {
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[super didMoveToWindow];
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[self kb_refreshGlobeVisibility];
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}
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@end
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