1

CustomKeyboard/Model/KBKeyboardLayoutConfig.h

@@ -73,6 +73,9 @@ NS_ASSUME_NONNULL_BEGIN
 @end
 
 @interface KBKeyboardLayout : NSObject
+@property (nonatomic, strong, nullable) NSNumber *rowSpacing;
+@property (nonatomic, strong, nullable) NSNumber *topInset;
+@property (nonatomic, strong, nullable) NSNumber *bottomInset;
 @property (nonatomic, strong, nullable) NSArray<KBKeyboardRowConfig *> *rows;
 @property (nonatomic, strong, nullable) NSArray<KBKeyboardRowConfig *> *shiftRows;
 @end

CustomKeyboard/Model/KBKeyboardLayoutConfig.m

@@ -184,6 +184,9 @@ static NSString * const kKBKeyboardLayoutI18nFileName = @"kb_keyboard_layouts_i1
         }
 
         KBKeyboardLayout *mergedLayout = [KBKeyboardLayout new];
+        mergedLayout.rowSpacing = baseLayout.rowSpacing ?: layout.rowSpacing;
+        mergedLayout.topInset = baseLayout.topInset ?: layout.topInset;
+        mergedLayout.bottomInset = baseLayout.bottomInset ?: layout.bottomInset;
         mergedLayout.rows = [self kb_mergeRowsFromBase:baseLayout.rows override:layout.rows];
         mergedLayout.shiftRows = [self kb_mergeRowsFromBase:baseLayout.shiftRows override:layout.shiftRows];
         mergedLayouts[key] = mergedLayout;

CustomKeyboard/Resource/kb_keyboard_layout_config.json

@@ -835,6 +835,9 @@
     "letters_bopomofo_full": {
       "__comment": "繁体注音全键盘布局（iOS 标准注音排列）",
       "__comment_layout": "第一行：ㄅㄉˇˋㄓˊ˙ㄚㄞㄢㄦ | 第二行：ㄆㄊㄍㄐㄔㄗㄧㄛㄟㄣ | 第三行：ㄇㄋㄎㄑㄕㄘㄨㄜㄠㄤ | 第四行：ㄈㄌㄏㄒㄖㄙㄩㄝㄡㄥ",
+      "rowSpacing": 3,
+      "topInset": 5,
+      "bottomInset": 0,
       "rows": [
         {
           "align": "left",

CustomKeyboard/View/KBKeyBoardMainView.m

@@ -45,7 +45,7 @@
         [self addSubview:self.suggestionBar];
 
         // 键盘区域（高度按照设计值做等比缩放，避免不同机型上按键被压缩/拉伸）
-        CGFloat keyboardAreaHeight = KBFit(200.0f);
+        CGFloat keyboardAreaHeight = KBFit(215.0f);
         KBKeyboardLayoutConfig *layoutConfig = [KBKeyboardLayoutConfig sharedConfig];
         if (layoutConfig) {
             CGFloat configHeight = [layoutConfig keyboardAreaScaledHeight];

CustomKeyboard/View/KBKeyboardView.m

@@ -35,6 +35,11 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
 @property (nonatomic, strong) KBKeyboardLayoutConfig *layoutConfig;
 /// 跨行统一字符键宽度（按最多字符键的行计算），0 表示不启用
 @property (nonatomic, assign) CGFloat kb_uniformCharKeyWidth;
+/// 记录当前行间距，便于切换布局时判断是否需要重建容器
+@property (nonatomic, assign) CGFloat kb_currentRowSpacing;
+/// 记录当前顶/底间距，便于切换布局时判断是否需要重建容器
+@property (nonatomic, assign) CGFloat kb_currentTopInset;
+@property (nonatomic, assign) CGFloat kb_currentBottomInset;
 @end
 
 @implementation KBKeyboardView
@@ -82,11 +87,23 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
         rows = @[[KBKeyboardRowConfig new], [KBKeyboardRowConfig new],
                  [KBKeyboardRowConfig new], [KBKeyboardRowConfig new]];
     }
-    [self kb_rebuildRowContainersForRows:rows];
+    CGFloat rowSpacing = [self kb_rowSpacingForLayout:layout];
+    CGFloat topInset = [self kb_topInsetForLayout:layout];
+    CGFloat bottomInset = [self kb_bottomInsetForLayout:layout];
+    self.kb_currentRowSpacing = rowSpacing;
+    self.kb_currentTopInset = topInset;
+    self.kb_currentBottomInset = bottomInset;
+    [self kb_rebuildRowContainersForRows:rows
+                              rowSpacing:rowSpacing
+                                topInset:topInset
+                             bottomInset:bottomInset];
 }
 
 /// 根据行配置数组，动态创建/重建行容器（支持 4 行、5 行等任意行数）
-- (void)kb_rebuildRowContainersForRows:(NSArray<KBKeyboardRowConfig *> *)rowConfigs {
+- (void)kb_rebuildRowContainersForRows:(NSArray<KBKeyboardRowConfig *> *)rowConfigs
+                           rowSpacing:(CGFloat)rowSpacing
+                             topInset:(CGFloat)topInset
+                          bottomInset:(CGFloat)bottomInset {
     // 移除旧的行容器
     for (UIView *row in self.rowViews) {
         [row removeFromSuperview];
@@ -97,9 +114,6 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
     if (rowCount == 0) return;
 
     KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
-    CGFloat rowSpacing = [self kb_metricValue:config.metrics.rowSpacing fallback:nil defaultValue:8.0];
-    CGFloat topInset = [self kb_metricValue:config.metrics.topInset fallback:nil defaultValue:8.0];
-    CGFloat bottomInset = [self kb_metricValue:config.metrics.bottomInset fallback:nil defaultValue:6.0];
 
     UIView *firstRow = nil;
     UIView *previousRow = nil;
@@ -144,6 +158,9 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
     [self.backspaceHandler bindDeleteButton:nil showClearLabel:NO];
 
     KBKeyboardLayout *layout = [self kb_currentLayout];
+    CGFloat rowSpacing = [self kb_rowSpacingForLayout:layout];
+    CGFloat topInset = [self kb_topInsetForLayout:layout];
+    CGFloat bottomInset = [self kb_bottomInsetForLayout:layout];
     NSLog(@"[KBKeyboardView] reloadKeys: layoutName=%@ rows=%lu shiftRows=%lu shiftOn=%d",
           self.currentLayoutJsonId, (unsigned long)layout.rows.count, (unsigned long)layout.shiftRows.count, self.shiftOn);
 
@@ -159,8 +176,18 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
           (unsigned long)rows.count, (unsigned long)self.rowViews.count);
 
     // 行数变化时（如从 4 行布局切到 5 行注音布局），重建行容器
-    if (rows.count >= 4 && rows.count != self.rowViews.count) {
-        [self kb_rebuildRowContainersForRows:rows];
+    if (rows.count >= 4 &&
+        (rows.count != self.rowViews.count ||
+         fabs(self.kb_currentRowSpacing - rowSpacing) > 0.1 ||
+         fabs(self.kb_currentTopInset - topInset) > 0.1 ||
+         fabs(self.kb_currentBottomInset - bottomInset) > 0.1)) {
+        self.kb_currentRowSpacing = rowSpacing;
+        self.kb_currentTopInset = topInset;
+        self.kb_currentBottomInset = bottomInset;
+        [self kb_rebuildRowContainersForRows:rows
+                                  rowSpacing:rowSpacing
+                                    topInset:topInset
+                                 bottomInset:bottomInset];
     }
 
     // 移除旧按钮
@@ -1003,6 +1030,24 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
     return self.layoutConfig;
 }
 
+- (CGFloat)kb_rowSpacingForLayout:(KBKeyboardLayout *)layout {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    NSNumber *layoutSpacing = layout.rowSpacing;
+    return [self kb_metricValue:layoutSpacing fallback:config.metrics.rowSpacing defaultValue:8.0];
+}
+
+- (CGFloat)kb_topInsetForLayout:(KBKeyboardLayout *)layout {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    NSNumber *layoutInset = layout.topInset;
+    return [self kb_metricValue:layoutInset fallback:config.metrics.topInset defaultValue:8.0];
+}
+
+- (CGFloat)kb_bottomInsetForLayout:(KBKeyboardLayout *)layout {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    NSNumber *layoutInset = layout.bottomInset;
+    return [self kb_metricValue:layoutInset fallback:config.metrics.bottomInset defaultValue:6.0];
+}
+
 - (KBKeyboardLayout *)kb_layoutForName:(NSString *)name {
     return [[self kb_layoutConfig] layoutForName:name];
 }