Merge pull request #17127 from DavidDeSimone/ios-edbox-improvements-v3

Fix for issue #17114.

cocos/ui/UIEditBox/iOS/CCUIEditBoxIOS.mm

@@ -93,6 +93,8 @@
     textInput.ccui_text = _textInput.ccui_text ?: @"";
     textInput.ccui_placeholder = _textInput.ccui_placeholder ?: @"";
     textInput.ccui_font = _textInput.ccui_font ?: [UIFont systemFontOfSize:self.frameRect.size.height*2/3];
+    textInput.ccui_placeholderFont = _textInput.ccui_placeholderFont ?: textInput.ccui_font;
+    textInput.ccui_placeholderTextColor = _textInput.ccui_placeholderTextColor ?: [UIColor lightGrayColor];
     
     [_textInput resignFirstResponder];
     [_textInput removeFromSuperview];
@@ -137,12 +139,12 @@
 
 - (void)setPlaceholderFont:(UIFont *)font
 {
-    self.textInput.ccui_placeholderLabel.font = font;
+    self.textInput.ccui_placeholderFont = font;
 }
 
 - (void)setPlaceholderTextColor:(UIColor *)color
 {
-    self.textInput.ccui_placeholderLabel.textColor = color;
+    self.textInput.ccui_placeholderTextColor = color;
 }
 
 - (void)setInputMode:(cocos2d::ui::EditBox::InputMode)inputMode

cocos/ui/UIEditBox/iOS/CCUISingleLineTextField.h

@@ -27,7 +27,11 @@
 #import <UIKit/UIKit.h>
 #import "ui/UIEditBox/iOS/UITextField+CCUITextInput.h"
 
-/** TODO: Missing doc - Why is this subclass necessary?
- */
+#pragma mark - UISingleLineTextField implementation
+
 @interface CCUISingleLineTextField : UITextField
+
+@property (nonatomic, retain) UIColor *placeholderTextColor;
+@property (nonatomic, retain) UIFont *placeholderFont;
+
 @end

cocos/ui/UIEditBox/iOS/CCUISingleLineTextField.mm

@@ -29,9 +29,52 @@
 
 #include "base/CCDirector.h"
 
+/**
+ * http://stackoverflow.com/questions/18244790/changing-uitextfield-placeholder-font
+ */
+
 
 @implementation CCUISingleLineTextField
 
+#pragma mark - Init & Dealloc
+
+- (void)dealloc
+{
+    [_placeholderFont release];
+    [_placeholderTextColor release];
+
+    [super dealloc];
+}
+
+#pragma mark - Properties
+
+- (UIColor *)placeholderTextColor
+{
+    return _placeholderTextColor;
+}
+
+- (UIFont *)placeholderFont
+{
+    return _placeholderFont;
+}
+
+#pragma mark - Public methods
+
+- (void)drawPlaceholderInRect:(CGRect)rect {
+	NSDictionary *attributes = @{
+		NSForegroundColorAttributeName:_placeholderTextColor,
+		NSFontAttributeName:_placeholderFont
+	};
+    
+    // center vertically
+    CGSize textSize = [self.placeholder sizeWithAttributes:attributes];
+    CGFloat hdif = rect.size.height - textSize.height;
+    hdif = MAX(0, hdif);
+    rect.origin.y += ceil(hdif/2.0);
+
+    [[self placeholder] drawInRect:rect withAttributes:attributes];
+}
+
 - (CGRect)textRectForBounds:(CGRect)bounds
 {
     auto glview = cocos2d::Director::getInstance()->getOpenGLView();

cocos/ui/UIEditBox/iOS/CCUITextInput.h

@@ -34,9 +34,10 @@ static const int CC_EDIT_BOX_PADDING = 5;
 
 @property (nonatomic, retain, setter=ccui_setText:) NSString *ccui_text;
 @property (nonatomic, retain, setter=ccui_setPlaceholder:) NSString *ccui_placeholder;
-@property (nonatomic, retain, setter=ccui_setPlaceholderLabel:) UILabel *ccui_placeholderLabel;
 @property (nonatomic, retain, setter=ccui_setTextColor:) UIColor *ccui_textColor;
 @property (nonatomic, retain, setter=ccui_setFont:) UIFont *ccui_font;
+@property (nonatomic, retain, setter=ccui_setPlaceholderTextColor:) UIColor *ccui_placeholderTextColor;
+@property (nonatomic, retain, setter=ccui_setPlaceholderFont:) UIFont *ccui_placeholderFont;
 @property (nonatomic, assign, setter=ccui_setSecureTextEntry:) BOOL ccui_secureTextEntry;
 @property (nonatomic, assign, setter=ccui_setTextHorizontalAlignment:) NSTextAlignment ccui_alignment;
 

cocos/ui/UIEditBox/iOS/UITextField+CCUITextInput.mm

@@ -76,6 +76,40 @@
   self.textAlignment = ccui_alignment;
 }
 
+- (UIColor *)ccui_placeholderTextColor
+{
+    SEL selector = @selector(placeholderTextColor);
+    if ([self respondsToSelector:selector]) {
+        return [self performSelector:selector];
+    }
+    return nil;
+}
+
+- (void)ccui_setPlaceholderTextColor:(UIColor *)ccui_placeholderTextColor
+{
+    SEL selector = @selector(setPlaceholderTextColor:);
+    if ([self respondsToSelector:selector]) {
+        [self performSelector:selector withObject:ccui_placeholderTextColor];
+    }
+}
+
+- (UIFont *)ccui_placeholderFont
+{
+    SEL selector = @selector(placeholderFont);
+    if ([self respondsToSelector:selector]) {
+        return [self performSelector:selector];
+    }
+    return nil;
+}
+
+- (void)ccui_setPlaceholderFont:(UIFont *)ccui_placeholderFont
+{
+    SEL selector = @selector(setPlaceholderFont:);
+    if ([self respondsToSelector:selector]) {
+        [self performSelector:selector withObject:ccui_placeholderFont];
+    }
+}
+
 - (BOOL)ccui_secureTextEntry
 {
     return self.secureTextEntry;

cocos/ui/UIEditBox/iOS/UITextView+CCUITextInput.mm

@@ -46,15 +46,6 @@
     return nil;
 }
 
-- (UILabel *)ccui_placeholderLabel
-{
-    SEL selector = @selector(placeHolderLabel);
-    if ([self respondsToSelector:selector]) {
-        return [self performSelector:selector];
-    }
-    return nil;
-}
-
 - (void)ccui_setPlaceholder:(NSString *)ccui_placeholder
 {
     SEL selector = @selector(setPlaceholder:);
@@ -93,6 +84,40 @@
     self.textAlignment = ccui_alignment;
 }
 
+- (UIColor *)ccui_placeholderTextColor
+{
+    SEL selector = @selector(placeHolderLabel);
+    if ([self respondsToSelector:selector]) {
+        return ((UILabel *)[self performSelector:selector]).textColor;
+    }
+    return nil;
+}
+
+- (void)ccui_setPlaceholderTextColor:(UIColor *)ccui_placeholderTextColor
+{
+    SEL selector = @selector(placeHolderLabel);
+    if ([self respondsToSelector:selector]) {
+        ((UILabel *)[self performSelector:selector]).textColor = ccui_placeholderTextColor;
+    }
+}
+
+- (UIFont *)ccui_placeholderFont
+{
+    SEL selector = @selector(placeHolderLabel);
+    if ([self respondsToSelector:selector]) {
+        return ((UILabel *)[self performSelector:selector]).font;
+    }
+    return nil;
+}
+
+- (void)ccui_setPlaceholderFont:(UIFont *)ccui_placeholderFont
+{
+    SEL selector = @selector(placeHolderLabel);
+    if ([self respondsToSelector:selector]) {
+        ((UILabel *)[self performSelector:selector]).font = ccui_placeholderFont;
+    }
+}
+
 - (BOOL)ccui_secureTextEntry
 {
     return self.secureTextEntry;