From 83b9d5c682b21d88133f24da0f94dd56bd79e687 Mon Sep 17 00:00:00 2001
From: 单军华
Date: Thu, 19 Jul 2018 13:38:55 +0800
Subject: [PATCH] change

---
 screendisplay/Pods/IQKeyboardManager/IQKeyboardManager/IQToolbar/IQBarButtonItem.m |   99 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 99 insertions(+), 0 deletions(-)

diff --git a/screendisplay/Pods/IQKeyboardManager/IQKeyboardManager/IQToolbar/IQBarButtonItem.m b/screendisplay/Pods/IQKeyboardManager/IQKeyboardManager/IQToolbar/IQBarButtonItem.m
new file mode 100644
index 0000000..fb28fb2
--- /dev/null
+++ b/screendisplay/Pods/IQKeyboardManager/IQKeyboardManager/IQToolbar/IQBarButtonItem.m
@@ -0,0 +1,99 @@
+//
+// IQBarButtonItem.m
+// https://github.com/hackiftekhar/IQKeyboardManager
+// Copyright (c) 2013-16 Iftekhar Qurashi.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "IQBarButtonItem.h"
+#import "IQKeyboardManagerConstantsInternal.h"
+#import <UIKit/NSAttributedString.h>
+
+@implementation IQBarButtonItem
+
++(void)initialize
+{
+    [super initialize];
+
+    IQBarButtonItem *appearanceProxy = [self appearance];
+
+    NSArray <NSNumber*> *states = @[@(UIControlStateNormal),@(UIControlStateHighlighted),@(UIControlStateDisabled),@(UIControlStateSelected),@(UIControlStateApplication),@(UIControlStateReserved)];
+    
+    for (NSNumber *state in states)
+    {
+        UIControlState controlState = [state unsignedIntegerValue];
+
+        [appearanceProxy setBackgroundImage:nil forState:controlState barMetrics:UIBarMetricsDefault];
+        [appearanceProxy setBackgroundImage:nil forState:controlState style:UIBarButtonItemStyleDone barMetrics:UIBarMetricsDefault];
+        [appearanceProxy setBackgroundImage:nil forState:controlState style:UIBarButtonItemStylePlain barMetrics:UIBarMetricsDefault];
+        [appearanceProxy setBackButtonBackgroundImage:nil forState:controlState barMetrics:UIBarMetricsDefault];
+    }
+
+    [appearanceProxy setTitlePositionAdjustment:UIOffsetZero forBarMetrics:UIBarMetricsDefault];
+    [appearanceProxy setBackgroundVerticalPositionAdjustment:0 forBarMetrics:UIBarMetricsDefault];
+    [appearanceProxy setBackButtonBackgroundVerticalPositionAdjustment:0 forBarMetrics:UIBarMetricsDefault];
+}
+
+-(void)setTintColor:(UIColor *)tintColor
+{
+    [super setTintColor:tintColor];
+    
+    //titleTextAttributes tweak is to overcome an issue comes with iOS11 where appearanceProxy set for NSForegroundColorAttributeName and bar button texts start appearing in appearance proxy color
+    NSMutableDictionary *textAttributes = [[self titleTextAttributesForState:UIControlStateNormal] mutableCopy]?:[NSMutableDictionary new];
+    
+    textAttributes[NSForegroundColorAttributeName] = tintColor;
+    
+    [self setTitleTextAttributes:textAttributes forState:UIControlStateNormal];
+}
+
+- (instancetype)initWithBarButtonSystemItem:(UIBarButtonSystemItem)systemItem target:(nullable id)target action:(nullable SEL)action
+{
+    self = [super initWithBarButtonSystemItem:systemItem target:target action:action];
+    
+    if (self)
+    {
+        _isSystemItem = YES;
+    }
+    
+    return self;
+}
+
+
+-(void)setTarget:(nullable id)target action:(nullable SEL)action
+{
+    NSInvocation *invocation = nil;
+    
+    if (target && action)
+    {
+        invocation = [NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:action]];
+        invocation.target = target;
+        invocation.selector = action;
+    }
+    
+    self.invocation = invocation;
+}
+
+-(void)dealloc
+{
+    self.target = nil;
+    self.invocation.target = nil;
+    self.invocation = nil;
+}
+
+@end

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