添加删除按钮

CustomKeyboard/View/EmojiView/KBEmojiPanelView.h

@@ -13,6 +13,8 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)emojiPanelView:(KBEmojiPanelView *)panel didSelectEmoji:(NSString *)emoji;
 - (void)emojiPanelViewDidRequestClose:(KBEmojiPanelView *)panel;
 - (void)emojiPanelViewDidTapSearch:(KBEmojiPanelView *)panel;
+@optional
+- (void)emojiPanelViewDidTapDelete:(KBEmojiPanelView *)panel;
 @end
 
 @interface KBEmojiPanelView : UIView

CustomKeyboard/View/EmojiView/KBEmojiPanelView.m

@@ -19,6 +19,7 @@
 @property (nonatomic, strong) UIView *bottomBar;
 @property (nonatomic, strong) UIScrollView *tabScrollView;
 @property (nonatomic, strong) UIStackView *tabStackView;
+@property (nonatomic, strong) UIButton *deleteButton;
 //@property (nonatomic, strong) UIButton *searchButton;
 @property (nonatomic, strong) NSArray<UIButton *> *tabButtons;
 @property (nonatomic, strong) KBEmojiDataProvider *dataProvider;
@@ -119,6 +120,15 @@
     self.tabStackView.alignment = UIStackViewAlignmentFill;
     [self.tabScrollView addSubview:self.tabStackView];
 
+    self.deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    self.deleteButton.layer.cornerRadius = 16;
+    self.deleteButton.layer.masksToBounds = YES;
+    self.deleteButton.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold];
+    [self.deleteButton setTitle:@"⌫" forState:UIControlStateNormal];
+    [self.deleteButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+    [self.deleteButton addTarget:self action:@selector(onDelete) forControlEvents:UIControlEventTouchUpInside];
+    [self.bottomBar addSubview:self.deleteButton];
+
     [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.left.equalTo(self.mas_left).offset(12);
         make.right.equalTo(self.mas_right).offset(-12);
@@ -140,8 +150,7 @@
 
     [self.tabScrollView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.left.equalTo(self.bottomBar.mas_left).offset(12);
-//        make.right.equalTo(self.searchButton.mas_left).offset(-12);
+        make.right.equalTo(self.deleteButton.mas_left).offset(-12);
-        make.right.equalTo(self.bottomBar.mas_right).offset(-12);
         make.top.equalTo(self.bottomBar.mas_top).offset(4);
         make.bottom.equalTo(self.bottomBar.mas_bottom).offset(-4);
     }];
@@ -151,6 +160,13 @@
         make.height.equalTo(self.tabScrollView);
     }];
 
+    [self.deleteButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self.bottomBar.mas_right).offset(-12);
+        make.centerY.equalTo(self.bottomBar);
+        make.width.mas_equalTo(44);
+        make.height.equalTo(self.tabScrollView);
+    }];
+
     UISwipeGestureRecognizer *leftSwipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipe:)];
     leftSwipe.direction = UISwipeGestureRecognizerDirectionLeft;
     [self addGestureRecognizer:leftSwipe];
@@ -167,7 +183,6 @@
 }
 
 - (void)updateTabButtonCornerRadii {
-    if (self.tabButtons.count == 0) { return; }
     for (UIButton *btn in self.tabButtons) {
         CGFloat radius = MIN(CGRectGetHeight(btn.bounds), CGRectGetWidth(btn.bounds)) / 2.0;
         if (radius <= 0) { continue; }
@@ -176,6 +191,15 @@
             btn.layer.cornerCurve = kCACornerCurveContinuous;
         }
     }
+    if (self.deleteButton) {
+        CGFloat radius = MIN(CGRectGetHeight(self.deleteButton.bounds), CGRectGetWidth(self.deleteButton.bounds)) / 2.0;
+        if (radius > 0) {
+            self.deleteButton.layer.cornerRadius = radius;
+            if (@available(iOS 13.0, *)) {
+                self.deleteButton.layer.cornerCurve = kCACornerCurveContinuous;
+            }
+        }
+    }
 }
 
 - (void)registerNotifications {
@@ -283,6 +307,12 @@
     }
 }
 
+- (void)onDelete {
+    if ([self.delegate respondsToSelector:@selector(emojiPanelViewDidTapDelete:)]) {
+        [self.delegate emojiPanelViewDidTapDelete:self];
+    }
+}
+
 - (void)onTabTapped:(UIButton *)sender {
     [self updateSelectionToIndex:sender.tag];
 }
@@ -321,6 +351,11 @@
     self.tabNormalColor = [UIColor colorWithWhite:1 alpha:0.08];
     self.tabSelectedColor = theme.accentColor ?: [UIColor colorWithWhite:1 alpha:0.25];
     [self updateTabHighlightStates];
+    if (self.deleteButton) {
+        self.deleteButton.backgroundColor = self.tabNormalColor;
+        UIColor *deleteTitleColor = theme.keyTextColor ?: [UIColor whiteColor];
+        [self.deleteButton setTitleColor:deleteTitleColor forState:UIControlStateNormal];
+    }
     if (self.magnifierView) {
         self.magnifierView.backgroundColor = theme.keyBackground ?: [UIColor colorWithWhite:1 alpha:0.9];
     }

CustomKeyboard/View/KBKeyBoardMainView.m

@@ -187,6 +187,13 @@
     }
 }
 
+- (void)emojiPanelViewDidTapDelete:(KBEmojiPanelView *)panel {
+    if ([self.delegate respondsToSelector:@selector(keyBoardMainView:didTapKey:)]) {
+        KBKey *backspace = [KBKey keyWithTitle:@"" type:KBKeyTypeBackspace];
+        [self.delegate keyBoardMainView:self didTapKey:backspace];
+    }
+}
+
 #pragma mark - Theme
 
 - (void)kb_applyTheme {