added files via upload

Tweaks/FLEX/GlobalStateExplorers/RuntimeBrowser/FLEXKBToolbarButton.m

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+//
+//  FLEXKBToolbarButton.m
+//  FLEX
+//
+//  Created by Tanner on 6/11/17.
+//  Copyright © 2017 Tanner Bennett. All rights reserved.
+//
+
+#import "FLEXKBToolbarButton.h"
+#import "UIFont+FLEX.h"
+#import "FLEXUtility.h"
+#import "CALayer+FLEX.h"
+
+@interface FLEXKBToolbarButton ()
+@property (nonatomic      ) NSString *title;
+@property (nonatomic, copy) FLEXKBToolbarAction buttonPressBlock;
+/// YES if appearance is set to `default`
+@property (nonatomic, readonly) BOOL useSystemAppearance;
+/// YES if the current trait collection is set to dark mode and \c useSystemAppearance is YES
+@property (nonatomic, readonly) BOOL usingDarkMode;
+@end
+
+@implementation FLEXKBToolbarButton
+
++ (instancetype)buttonWithTitle:(NSString *)title {
+    return [[self alloc] initWithTitle:title];
+}
+
++ (instancetype)buttonWithTitle:(NSString *)title action:(FLEXKBToolbarAction)eventHandler forControlEvents:(UIControlEvents)controlEvent {
+    FLEXKBToolbarButton *newButton = [self buttonWithTitle:title];
+    [newButton addEventHandler:eventHandler forControlEvents:controlEvent];
+    return newButton;
+}
+
++ (instancetype)buttonWithTitle:(NSString *)title action:(FLEXKBToolbarAction)eventHandler {
+    return [self buttonWithTitle:title action:eventHandler forControlEvents:UIControlEventTouchUpInside];
+}
+
+- (id)initWithTitle:(NSString *)title {
+    self = [super init];
+    if (self) {
+        _title = title;
+        self.layer.shadowOffset = CGSizeMake(0, 1);
+        self.layer.shadowOpacity = 0.35;
+        self.layer.shadowRadius  = 0;
+        self.layer.cornerRadius  = 5;
+        self.clipsToBounds       = NO;
+        self.titleLabel.font     = [UIFont systemFontOfSize:18.0];
+        self.layer.flex_continuousCorners = YES;
+        [self setTitle:self.title forState:UIControlStateNormal];
+        [self sizeToFit];
+        
+        if (@available(iOS 13, *)) {
+            self.appearance = UIKeyboardAppearanceDefault;
+        } else {
+            self.appearance = UIKeyboardAppearanceLight;
+        }
+        
+        CGRect frame = self.frame;
+        frame.size.width  += title.length < 3 ? 30 : 15;
+        frame.size.height += 10;
+        self.frame = frame;
+    }
+    
+    return self;
+}
+
+- (void)addEventHandler:(FLEXKBToolbarAction)eventHandler forControlEvents:(UIControlEvents)controlEvent {
+    self.buttonPressBlock = eventHandler;
+    [self addTarget:self action:@selector(buttonPressed) forControlEvents:controlEvent];
+}
+
+- (void)buttonPressed {
+    self.buttonPressBlock(self.title, NO);
+}
+
+- (void)setAppearance:(UIKeyboardAppearance)appearance {
+    _appearance = appearance;
+    
+    UIColor *titleColor = nil, *backgroundColor = nil;
+    UIColor *lightColor = [UIColor colorWithRed:253.0/255.0 green:253.0/255.0 blue:254.0/255.0 alpha:1];
+    UIColor *darkColor = [UIColor colorWithRed:101.0/255.0 green:102.0/255.0 blue:104.0/255.0 alpha:1];
+    
+    switch (_appearance) {
+        default:
+        case UIKeyboardAppearanceDefault:
+            if (@available(iOS 13, *)) {
+                titleColor = UIColor.labelColor;
+                
+                if (self.usingDarkMode) {
+                    // style = UIBlurEffectStyleSystemUltraThinMaterialLight;
+                    backgroundColor = darkColor;
+                } else {
+                    // style = UIBlurEffectStyleSystemMaterialLight;
+                    backgroundColor = lightColor;
+                }
+                break;
+            }
+        case UIKeyboardAppearanceLight:
+            titleColor = UIColor.blackColor;
+            backgroundColor = lightColor;
+            // style = UIBlurEffectStyleExtraLight;
+            break;
+        case UIKeyboardAppearanceDark:
+            titleColor = UIColor.whiteColor;
+            backgroundColor = darkColor;
+            // style = UIBlurEffectStyleDark;
+            break;
+    }
+    
+    self.backgroundColor = backgroundColor;
+    [self setTitleColor:titleColor forState:UIControlStateNormal];
+}
+
+- (BOOL)isEqual:(id)object {
+    if ([object isKindOfClass:[FLEXKBToolbarButton class]]) {
+        return [self.title isEqualToString:[object title]];
+    }
+
+    return NO;
+}
+
+- (NSUInteger)hash {
+    return self.title.hash;
+}
+
+- (BOOL)useSystemAppearance {
+    return self.appearance == UIKeyboardAppearanceDefault;
+}
+
+- (BOOL)usingDarkMode {
+    if (@available(iOS 12, *)) {
+        return self.useSystemAppearance && self.traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark;
+    }
+    
+    return self.appearance == UIKeyboardAppearanceDark;
+}
+
+- (void)traitCollectionDidChange:(UITraitCollection *)previous {
+    if (@available(iOS 12, *)) {
+        // Was darkmode toggled?
+        if (previous.userInterfaceStyle != self.traitCollection.userInterfaceStyle) {
+            if (self.useSystemAppearance) {
+                // Recreate the background view with the proper colors
+                self.appearance = self.appearance;
+            }
+        }
+    }
+}
+
+@end
+
+
+@implementation FLEXKBToolbarSuggestedButton
+
+- (void)buttonPressed {
+    self.buttonPressBlock(self.title, YES);
+}
+
+@end