UITextField文本字段控件的位置

如果需要更改默认的UITextField清除按钮、左右视图等等控件的位置，可以通过如下设置：

// 控制清除按钮的位置 （默认 width = 15 = height）
-(CGRect)clearButtonRectForBounds:(CGRect)bounds {
//    NSLog(@"=%f ,=%f",bounds.origin.y,bounds.size.height/2);
    return CGRectMake(bounds.origin.x + bounds.size.width - 50, (bounds.size.height - 15)/2, 15, 15);
}

// 控制placeHolder的位置 默认(0，0，width，height)
-(CGRect)placeholderRectForBounds:(CGRect)bounds {

//    return CGRectInset(bounds, 20, 0);
    CGRect inset = CGRectMake(bounds.origin.x + 50, bounds.origin.y, bounds.size.width - 10, bounds.size.height);
    return inset;
}

// 控制显示文本的位置  默认(0,0,width,height)
-(CGRect)textRectForBounds:(CGRect)bounds {

    NSLog(@"显示文本==%@",NSStringFromCGRect(bounds));
    //return CGRectInset(bounds, 50, 0);
    CGRect inset = CGRectMake(bounds.origin.x + 190, bounds.origin.y, bounds.size.width - 10, bounds.size.height);
    return inset;

}

// 控制编辑文本的位置
-(CGRect)editingRectForBounds:(CGRect)bounds {

    NSLog(@"编辑文本==%@",NSStringFromCGRect(bounds));
    //return CGRectInset( bounds, 10 , 0 );
    CGRect inset = CGRectMake(bounds.origin.x + 100, bounds.origin.y, bounds.size.width -10, bounds.size.height);
    return inset;
}

// 控制左视图位置 （默认 width=30）
- (CGRect)leftViewRectForBounds:(CGRect)bounds {

    NSLog(@"左视图位置==%@",NSStringFromCGRect(bounds));

    CGRect inset = CGRectMake(bounds.origin.x + 2, bounds.origin.y, 30, bounds.size.height);
    return inset;
    //return CGRectInset(bounds,50,0);
}

// 控制placeHolder的颜色、字体
- (void)drawPlaceholderInRect:(CGRect)rect {

    [[self placeholder] drawInRect:rect withAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:20.0f],
                                                         NSForegroundColorAttributeName:[UIColor darkGrayColor]
                                                         }];

}

// 右视图的位置 (默认整个 width)
- (CGRect)rightViewRectForBounds:(CGRect)bounds {

    NSLog(@"右视图位置==%@",NSStringFromCGRect(bounds));

    CGRect inset = CGRectMake(bounds.size.width - 30, bounds.origin.y, 30, bounds.size.height);
    return inset;
}