添加功能组件

CustomKeyboard/KeyboardViewController.m

@@ -14,7 +14,7 @@
 
 static CGFloat KEYBOARDHEIGHT = 256;
 
-@interface KeyboardViewController () <KBKeyBoardMainViewDelegate>
+@interface KeyboardViewController () <KBKeyBoardMainViewDelegate, KBFunctionViewDelegate>
 @property (nonatomic, strong) UIButton *nextKeyboardButton; // 系统“下一个键盘”按钮（可选）
 @property (nonatomic, strong) KBKeyBoardMainView *keyBoardMainView;   // 功能面板视图（点击工具栏第0个时显示）
 @property (nonatomic, strong) KBFunctionView *functionView;   // 功能面板视图（点击工具栏第0个时显示）
@@ -22,11 +22,6 @@ static CGFloat KEYBOARDHEIGHT = 256;
 
 @implementation KeyboardViewController
 
-- (void)updateViewConstraints {
-    [super updateViewConstraints];
-    
-    // 可在此添加自定义尺寸约束
-}
 
 - (void)viewDidLoad {
     [super viewDidLoad];
@@ -46,7 +41,6 @@ static CGFloat KEYBOARDHEIGHT = 256;
         make.bottom.equalTo(self.view.mas_bottom).offset(-4);
     }];
     
-    self.keyBoardMainView.delegate = self;
     [self.view addSubview:self.keyBoardMainView];
     [self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.left.right.equalTo(self.view);
@@ -64,7 +58,7 @@ static CGFloat KEYBOARDHEIGHT = 256;
     // 简单显隐切换，复用相同的布局区域
     self.functionView.hidden = !show;
     self.keyBoardMainView.hidden = show;
-
+    
     // 可选：把当前显示的视图置顶，避免层级遮挡
     if (show) {
         [self.view bringSubviewToFront:self.functionView];
@@ -76,7 +70,6 @@ static CGFloat KEYBOARDHEIGHT = 256;
 
 
 // MARK: - KBKeyBoardMainViewDelegate
-
 - (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapKey:(KBKey *)key {
     switch (key.type) {
         case KBKeyTypeCharacter:
@@ -99,7 +92,6 @@ static CGFloat KEYBOARDHEIGHT = 256;
 }
 
 - (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapToolActionAtIndex:(NSInteger)index {
-    // 符合你的要求：由控制器来切换面板
     if (index == 0) {
         [self showFunctionPanel:YES];
     } else {
@@ -107,10 +99,19 @@ static CGFloat KEYBOARDHEIGHT = 256;
     }
 }
 
+// MARK: - KBFunctionViewDelegate
+- (void)functionView:(KBFunctionView *)functionView didTapToolActionAtIndex:(NSInteger)index {
+    // 需求：当 index == 0 时，切回键盘主视图
+    if (index == 0) {
+        [self showFunctionPanel:NO];
+    }
+}
+
 #pragma mark - lazy
 - (KBKeyBoardMainView *)keyBoardMainView{
     if (!_keyBoardMainView) {
         _keyBoardMainView = [[KBKeyBoardMainView alloc] init];
+        _keyBoardMainView.delegate = self;
     }
     return _keyBoardMainView;
 }
@@ -118,10 +119,12 @@ static CGFloat KEYBOARDHEIGHT = 256;
 - (KBFunctionView *)functionView{
     if (!_functionView) {
         _functionView = [[KBFunctionView alloc] init];
+        _functionView.delegate = self; // 监听功能面板顶部Bar点击
     }
     return _functionView;
 }
 
+
+
+
 @end
-
-