修复设置selectFont bug;增加首次默认加载index

.gitignore

@@ -0,0 +1,2 @@
+TYPagerControllerDemo.xcodeproj/project.xcworkspace/xcuserdata/chengxianghe.xcuserdatad/UserInterfaceState.xcuserstate
+TYPagerControllerDemo.xcodeproj/xcuserdata/chengxianghe.xcuserdatad/xcschemes/xcschememanagement.plist

TYPagerControllerDemo.xcodeproj/project.pbxproj

@@ -28,6 +28,7 @@
 		B072EC0D1F1E37B100736A2E /* TYPagerView.m in Sources */ = {isa = PBXBuildFile; fileRef = B072EC041F1E37B100736A2E /* TYPagerView.m */; };
 		B072EC0E1F1E37B100736A2E /* TYPagerViewLayout.m in Sources */ = {isa = PBXBuildFile; fileRef = B072EC061F1E37B100736A2E /* TYPagerViewLayout.m */; };
 		B082E5791F0E79830084C952 /* PagerViewDmeoController.m in Sources */ = {isa = PBXBuildFile; fileRef = B082E5781F0E79830084C952 /* PagerViewDmeoController.m */; };
+		EBF0109522C0E8CE00C5AFD3 /* TYPagerScrollView.m in Sources */ = {isa = PBXBuildFile; fileRef = EBF0109422C0E8CE00C5AFD3 /* TYPagerScrollView.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -71,6 +72,8 @@
 		B072EC061F1E37B100736A2E /* TYPagerViewLayout.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TYPagerViewLayout.m; sourceTree = "<group>"; };
 		B082E5771F0E79830084C952 /* PagerViewDmeoController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PagerViewDmeoController.h; sourceTree = "<group>"; };
 		B082E5781F0E79830084C952 /* PagerViewDmeoController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PagerViewDmeoController.m; sourceTree = "<group>"; };
+		EBF0109322C0E8CE00C5AFD3 /* TYPagerScrollView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TYPagerScrollView.h; sourceTree = "<group>"; };
+		EBF0109422C0E8CE00C5AFD3 /* TYPagerScrollView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = TYPagerScrollView.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -156,6 +159,8 @@
 		B072EBF61F1E37B100736A2E /* TabPager */ = {
 			isa = PBXGroup;
 			children = (
+				EBF0109322C0E8CE00C5AFD3 /* TYPagerScrollView.h */,
+				EBF0109422C0E8CE00C5AFD3 /* TYPagerScrollView.m */,
 				B072EBFF1F1E37B100736A2E /* TYTabPagerView.h */,
 				B072EC001F1E37B100736A2E /* TYTabPagerView.m */,
 				B072EBFD1F1E37B100736A2E /* TYTabPagerController.h */,
@@ -212,6 +217,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -248,6 +254,7 @@
 				2B9C0F531F0E11E7009BC0BD /* ViewController.m in Sources */,
 				B072EC071F1E37B100736A2E /* TYTabPagerBar.m in Sources */,
 				B072EC0A1F1E37B100736A2E /* TYTabPagerController.m in Sources */,
+				EBF0109522C0E8CE00C5AFD3 /* TYPagerScrollView.m in Sources */,
 				B072EC081F1E37B100736A2E /* TYTabPagerBarCell.m in Sources */,
 				B0284FE11F1E595D00C733E6 /* TabPagerControllerDemoController.m in Sources */,
 				B072EC0B1F1E37B100736A2E /* TYTabPagerView.m in Sources */,

TYPagerControllerDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

TYPagerControllerDemo.xcodeproj/xcuserdata/cheng.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>TYPagerControllerDemo.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

TYPagerControllerDemo/PagerControllerDmeoController.m

@@ -49,6 +49,7 @@ - (void)addTabPageBar {
 
 - (void)addPagerController {
     TYPagerController *pagerController = [[TYPagerController alloc]init];
+    pagerController.layout.firstScrollToIndex = 1;
     pagerController.layout.prefetchItemCount = 1;
     //pagerController.layout.autoMemoryCache = NO;
     // 只有当scroll滚动动画停止时才加载pagerview，用于优化滚动时性能

TYPagerControllerDemo/TYPagerController/TYPagerController.h

@@ -22,7 +22,7 @@ NS_ASSUME_NONNULL_BEGIN
    3.if controller will display,will call viewWillAppear.
    4.you can register && dequeue controller, usage like tableView
  */
-- (UIViewController *)pagerController:(TYPagerController *)pagerController controllerForIndex:(NSInteger)index prefetching:(BOOL)prefetching;
+- (UIViewController *_Nullable)pagerController:(TYPagerController *)pagerController controllerForIndex:(NSInteger)index prefetching:(BOOL)prefetching;
 
 @end
 
@@ -78,7 +78,7 @@ NS_ASSUME_NONNULL_BEGIN
 // register && dequeue's usage like tableView
 - (void)registerClass:(Class)Class forControllerWithReuseIdentifier:(NSString *)identifier;
 - (void)registerNib:(UINib *)nib forControllerWithReuseIdentifier:(NSString *)identifier;
-- (UIViewController *)dequeueReusableControllerWithReuseIdentifier:(NSString *)identifier forIndex:(NSInteger)index;
+- (UIViewController *_Nullable)dequeueReusableControllerWithReuseIdentifier:(NSString *)identifier forIndex:(NSInteger)index;
 
 // scroll to index
 - (void)scrollToControllerAtIndex:(NSInteger)index animate:(BOOL)animate;

TYPagerControllerDemo/TYPagerController/TYPagerController.m

@@ -7,6 +7,7 @@
 //
 
 #import "TYPagerController.h"
+#import "TYPagerScrollView.h"
 
 @interface TYPagerController ()<TYPagerViewLayoutDataSource, TYPagerViewLayoutDelegate> {
     // private
@@ -34,7 +35,7 @@ @implementation TYPagerController
 
 - (TYPagerViewLayout<UIViewController *> *)layout {
     if (!_layout) {
-        UIScrollView *scrollView = [[UIScrollView alloc]init];
+        TYPagerScrollView *scrollView = [[TYPagerScrollView alloc]init];
         TYPagerViewLayout<UIViewController *> *layout = [[TYPagerViewLayout alloc]initWithScrollView:scrollView];
         layout.dataSource = self;
         layout.delegate = self;

TYPagerControllerDemo/TYPagerController/TYPagerViewLayout.h

@@ -68,6 +68,8 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, weak, nullable) id<TYPagerViewLayoutDataSource> dataSource;
 @property (nonatomic, weak, nullable) id<TYPagerViewLayoutDelegate> delegate;
 
+@property (nonatomic, assign) NSInteger firstScrollToIndex;// default 0
+
 // strong,will control the delegate,don't set delegate on other place.
 @property (nonatomic, strong, readonly) UIScrollView *scrollView;
 // if viewcontroller's automaticallyAdjustsScrollViewInsets YES ,will cause frame problems, you can set YES, default YES

TYPagerControllerDemo/TYPagerController/TYPagerViewLayout.m

@@ -93,7 +93,6 @@ @interface TYPagerViewLayout<ItemType> ()<UIScrollViewDelegate> {
     BOOL        _scrollAnimated;
     BOOL        _isTapScrollMoved;
     CGFloat     _preOffsetX;
-    NSInteger   _firstScrollToIndex;
     BOOL        _didReloadData;
     BOOL        _didLayoutSubViews;
 

TYPagerControllerDemo/TYPagerController/TabPager/TYPagerScrollView.h

@@ -0,0 +1,17 @@
+//
+//  TYPagerScrollView.h
+//  TYPagerControllerDemo
+//
+//  Created by 程祥贺 on 2019/6/24.
+//  Copyright © 2019 tany. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface TYPagerScrollView : UIScrollView
+
+@end
+
+NS_ASSUME_NONNULL_END

TYPagerControllerDemo/TYPagerController/TabPager/TYPagerScrollView.m

@@ -0,0 +1,24 @@
+//
+//  TYPagerScrollView.m
+//  TYPagerControllerDemo
+//
+//  Created by 程祥贺 on 2019/6/24.
+//  Copyright © 2019 tany. All rights reserved.
+//
+
+#import "TYPagerScrollView.h"
+
+@implementation TYPagerScrollView
+
+- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
+    // 首先判断otherGestureRecognizer是不是系统pop手势
+    if ([otherGestureRecognizer.view isKindOfClass:NSClassFromString(@"UILayoutContainerView")]) {
+        // 再判断系统手势的state是began还是fail，同时判断scrollView的位置是不是正好在最左边
+        if (otherGestureRecognizer.state == UIGestureRecognizerStateBegan && self.contentOffset.x == 0) {
+            return YES;
+        }
+    }
+    return NO;
+}
+
+@end

TYPagerControllerDemo/TYPagerController/TabPager/TYTabPagerBar.m

@@ -149,6 +149,7 @@ - (void)reloadData {
         [_delegate pagerTabBar:self configureLayout:self.layout];
     }
     [self.layout layoutIfNeed];
+    [_progressView setBackgroundColor:_layout.progressColor];
     [_collectionView reloadData];
     [self.layout adjustContentCellsCenterInBar];
     [self.layout layoutSubViews];

TYPagerControllerDemo/TYPagerController/TabPager/TYTabPagerBarLayout.m

@@ -207,7 +207,7 @@ - (void)transitionFromCell:(UICollectionViewCell<TYTabPagerBarCellProtocol> *)fr
             fromCell.transform = CGAffineTransformMakeScale(_selectFontScale, _selectFontScale);
         }
         if (toCell) {
-            toCell.titleLabel.font = _normalTextFont;
+            toCell.titleLabel.font = _selectedTextFont ? _selectedTextFont : _normalTextFont;
             toCell.titleLabel.textColor = _selectedTextColor ? _selectedTextColor : _normalTextColor;
             toCell.transform = CGAffineTransformIdentity;
         }