From ee5976a4a94a9383ab7896828e61e25e8c44fccc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E1=84=8C=E1=85=A1=E1=86=BC=E1=84=92=E1=85=AD=E1=84=8B?=
 =?UTF-8?q?=E1=85=AF=E1=86=AB?= <hyo961015@naver.com>
Date: Thu, 5 Jan 2023 22:26:43 +0900
Subject: [PATCH] Added feature to set the font of the selected day in calendar

---
 FSCalendar/FSCalendarAppearance.h | 5 +++++
 FSCalendar/FSCalendarAppearance.m | 9 +++++++++
 FSCalendar/FSCalendarCell.m       | 9 +++++++++
 FSCalendar/FSCalendarConstants.h  | 1 +
 FSCalendar/FSCalendarConstants.m  | 1 +
 5 files changed, 25 insertions(+)

diff --git a/FSCalendar/FSCalendarAppearance.h b/FSCalendar/FSCalendarAppearance.h
index b0af6af7..40e72834 100644
--- a/FSCalendar/FSCalendarAppearance.h
+++ b/FSCalendar/FSCalendarAppearance.h
@@ -49,6 +49,11 @@ typedef NS_OPTIONS(NSUInteger, FSCalendarCaseOptions) {
  */
 @property (strong, nonatomic) UIFont   *titleFont;
 
+/**
+ * The font of the selected day text.
+ */
+@property (strong, nonatomic) UIFont   *titleSelectedFont;
+
 /**
  * The font of the subtitle text.
  */
diff --git a/FSCalendar/FSCalendarAppearance.m b/FSCalendar/FSCalendarAppearance.m
index b7c0d046..4858f9e7 100644
--- a/FSCalendar/FSCalendarAppearance.m
+++ b/FSCalendar/FSCalendarAppearance.m
@@ -31,6 +31,7 @@ - (instancetype)init
     if (self) {
         
         _titleFont = [UIFont systemFontOfSize:FSCalendarStandardTitleTextSize];
+        _titleSelectedFont = [UIFont systemFontOfSize:FSCalendarStandardSelectedTitleTextSize];
         _subtitleFont = [UIFont systemFontOfSize:FSCalendarStandardSubtitleTextSize];
         _weekdayFont = [UIFont systemFontOfSize:FSCalendarStandardWeekdayTextSize];
         _headerTitleFont = [UIFont systemFontOfSize:FSCalendarStandardHeaderTextSize];
@@ -90,6 +91,14 @@ - (void)setTitleFont:(UIFont *)titleFont
     }
 }
 
+- (void)setTitleSelectionFont:(UIFont *)titleSelectedFont
+{
+    if (![_titleSelectedFont isEqual:titleSelectedFont]) {
+        _titleSelectedFont = titleSelectedFont;
+        [self.calendar configureAppearance];
+    }
+}
+
 - (void)setSubtitleFont:(UIFont *)subtitleFont
 {
     if (![_subtitleFont isEqual:subtitleFont]) {
diff --git a/FSCalendar/FSCalendarCell.m b/FSCalendar/FSCalendarCell.m
index 9c930a64..da9398ac 100644
--- a/FSCalendar/FSCalendarCell.m
+++ b/FSCalendar/FSCalendarCell.m
@@ -255,10 +255,19 @@ - (void)configureAppearance
 - (UIColor *)colorForCurrentStateInDictionary:(NSDictionary *)dictionary
 {
     if (self.isSelected) {
+        UIFont *titleSelectedFont = self.calendar.appearance.titleSelectedFont;
+        if (![titleSelectedFont isEqual:_titleLabel.font]) {
+            _titleLabel.font = titleSelectedFont;
+        }
         if (self.dateIsToday) {
             return dictionary[@(FSCalendarCellStateSelected|FSCalendarCellStateToday)] ?: dictionary[@(FSCalendarCellStateSelected)];
         }
         return dictionary[@(FSCalendarCellStateSelected)];
+    } else {
+        UIFont *titleFont = self.calendar.appearance.titleFont;
+        if (![titleFont isEqual:_titleLabel.font]) {
+            _titleLabel.font = titleFont;
+        }
     }
     if (self.dateIsToday && [[dictionary allKeys] containsObject:@(FSCalendarCellStateToday)]) {
         return dictionary[@(FSCalendarCellStateToday)];
diff --git a/FSCalendar/FSCalendarConstants.h b/FSCalendar/FSCalendarConstants.h
index e8bf4125..4dd76142 100644
--- a/FSCalendar/FSCalendarConstants.h
+++ b/FSCalendar/FSCalendarConstants.h
@@ -23,6 +23,7 @@ CG_EXTERN CGFloat const FSCalendarAutomaticDimension;
 CG_EXTERN CGFloat const FSCalendarDefaultBounceAnimationDuration;
 CG_EXTERN CGFloat const FSCalendarStandardRowHeight;
 CG_EXTERN CGFloat const FSCalendarStandardTitleTextSize;
+CG_EXTERN CGFloat const FSCalendarStandardSelectedTitleTextSize;
 CG_EXTERN CGFloat const FSCalendarStandardSubtitleTextSize;
 CG_EXTERN CGFloat const FSCalendarStandardWeekdayTextSize;
 CG_EXTERN CGFloat const FSCalendarStandardHeaderTextSize;
diff --git a/FSCalendar/FSCalendarConstants.m b/FSCalendar/FSCalendarConstants.m
index 7a56f085..54a51493 100644
--- a/FSCalendar/FSCalendarConstants.m
+++ b/FSCalendar/FSCalendarConstants.m
@@ -20,6 +20,7 @@
 CGFloat const FSCalendarDefaultBounceAnimationDuration = 0.15;
 CGFloat const FSCalendarStandardRowHeight = 38;
 CGFloat const FSCalendarStandardTitleTextSize = 13.5;
+CGFloat const FSCalendarStandardSelectedTitleTextSize = 13.5;
 CGFloat const FSCalendarStandardSubtitleTextSize = 10;
 CGFloat const FSCalendarStandardWeekdayTextSize = 14;
 CGFloat const FSCalendarStandardHeaderTextSize = 16.5;