feat: halfHourIndicator and quarterHourIndicator on WeekView added

lib/src/day_view/day_view.dart

@@ -182,10 +182,10 @@ class DayView<T extends Object?> extends StatefulWidget {
   /// Display full day event builder.
   final FullDayEventBuilder<T>? fullDayEventBuilder;
 
-  /// Show half hour lines
+  /// Show half hour indicator
   final bool showHalfHours;
 
-  /// Show quarter hour lines 
+  /// Show quarter hour indicator 
   final bool showQuarterHours;
 
   /// Duration from where default day view will be visible

lib/src/week_view/_internal_week_view_page.dart

@@ -37,6 +37,9 @@ class InternalWeekViewPage<T extends Object?> extends StatelessWidget {
   /// Settings for hour indicator lines.
   final HourIndicatorSettings hourIndicatorSettings;
 
+  /// Settings for half hour indicator lines. 
+  final HourIndicatorSettings halfHourIndicatorSettings;
+
   /// Flag to display live line.
   final bool showLiveLine;
 
@@ -111,6 +114,12 @@ class InternalWeekViewPage<T extends Object?> extends StatelessWidget {
   /// Display full day events.
   final FullDayEventBuilder<T> fullDayEventBuilder;
 
+  /// Flag to display half hours
+  final bool showHalfHours; 
+
+  /// Flag to display quarter hours 
+  final bool showQuarterHours; 
+
   /// A single page for week view.
   const InternalWeekViewPage({
     Key? key,
@@ -123,7 +132,8 @@ class InternalWeekViewPage<T extends Object?> extends StatelessWidget {
     required this.eventTileBuilder,
     required this.controller,
     required this.timeLineBuilder,
-    required this.hourIndicatorSettings,
+    required this.hourIndicatorSettings, 
+    required this.halfHourIndicatorSettings,
     required this.showLiveLine,
     required this.liveTimeIndicatorSettings,
     required this.heightPerMinute,
@@ -143,6 +153,8 @@ class InternalWeekViewPage<T extends Object?> extends StatelessWidget {
     required this.scrollConfiguration,
     required this.fullDayEventBuilder,
     required this.weekDetectorBuilder,
+    required this.showHalfHours, 
+    required this.showQuarterHours,
   }) : super(key: key);
 
   @override
@@ -225,6 +237,36 @@ class InternalWeekViewPage<T extends Object?> extends StatelessWidget {
                         showVerticalLine: showVerticalLine,
                       ),
                     ),
+                          if (showHalfHours)
+                      CustomPaint(
+                        size: Size(width, height),
+                        painter: HalfHourLinePainter(
+                          lineColor: halfHourIndicatorSettings.color,
+                          lineHeight: halfHourIndicatorSettings.height,
+                          offset:
+                              timeLineWidth + halfHourIndicatorSettings.offset,
+                          minuteHeight: heightPerMinute,
+                          lineStyle: halfHourIndicatorSettings.lineStyle,
+                          dashWidth: halfHourIndicatorSettings.dashWidth,
+                          dashSpaceWidth:
+                              halfHourIndicatorSettings.dashSpaceWidth,
+                        ),
+                      ), 
+                     if (showQuarterHours)
+                      CustomPaint(
+                        size: Size(width, height),
+                        painter: QuarterHourLinePainter(
+                          lineColor: halfHourIndicatorSettings.color,
+                          lineHeight: halfHourIndicatorSettings.height,
+                          offset:
+                              timeLineWidth + halfHourIndicatorSettings.offset,
+                          minuteHeight: heightPerMinute,
+                          lineStyle: halfHourIndicatorSettings.lineStyle,
+                          dashWidth: halfHourIndicatorSettings.dashWidth,
+                          dashSpaceWidth:
+                              halfHourIndicatorSettings.dashSpaceWidth,
+                        ),
+                      ),
                     if (showLiveLine && liveTimeIndicatorSettings.height > 0)
                       LiveTimeIndicator(
                         liveTimeIndicatorSettings: liveTimeIndicatorSettings,

lib/src/week_view/week_view.dart

@@ -85,6 +85,9 @@ class WeekView<T extends Object?> extends StatefulWidget {
   /// Settings for hour indicator settings.
   final HourIndicatorSettings? hourIndicatorSettings;
 
+  /// Settings for half hour and quarter hour indicator settings.
+  final HourIndicatorSettings? halfHourIndicatorSettings;
+
   /// Settings for live time indicator settings.
   final HourIndicatorSettings? liveTimeIndicatorSettings;
 
@@ -175,14 +178,20 @@ class WeekView<T extends Object?> extends StatefulWidget {
   final MinuteSlotSize minuteSlotSize;
 
   /// Style for WeekView header.
-  final HeaderStyle headerStyle;
+  final HeaderStyle headerStyle;  
 
   /// Option for SafeArea.
   final SafeAreaOption safeAreaOption;
 
   /// Display full day event builder.
   final FullDayEventBuilder<T>? fullDayEventBuilder;
 
+  ///Show half hour indicator 
+  final bool showHalfHours; 
+
+  ///Show quarter hour indicator 
+  final bool showQuarterHours;
+
   /// Main widget for week view.
   const WeekView({
     Key? key,
@@ -198,6 +207,7 @@ class WeekView<T extends Object?> extends StatefulWidget {
     this.maxDay,
     this.initialDay,
     this.hourIndicatorSettings,
+    this.halfHourIndicatorSettings,
     this.timeLineBuilder,
     this.timeLineWidth,
     this.liveTimeIndicatorSettings,
@@ -224,6 +234,8 @@ class WeekView<T extends Object?> extends StatefulWidget {
     this.headerStyle = const HeaderStyle(),
     this.safeAreaOption = const SafeAreaOption(),
     this.fullDayEventBuilder,
+    this.showHalfHours = false, 
+    this.showQuarterHours = false,
   })  : assert((timeLineOffset) >= 0,
             "timeLineOffset must be greater than or equal to 0"),
         assert(width == null || width > 0,
@@ -258,7 +270,8 @@ class WeekViewState<T extends Object?> extends State<WeekView<T>> {
 
   late EventArranger<T> _eventArranger;
 
-  late HourIndicatorSettings _hourIndicatorSettings;
+  late HourIndicatorSettings _hourIndicatorSettings; 
+  late HourIndicatorSettings _halfHourIndicatorSettings;
   late HourIndicatorSettings _liveTimeIndicatorSettings;
 
   late PageController _pageController;
@@ -418,6 +431,7 @@ class WeekViewState<T extends Object?> extends State<WeekView<T>> {
                             eventTileBuilder: _eventTileBuilder,
                             heightPerMinute: widget.heightPerMinute,
                             hourIndicatorSettings: _hourIndicatorSettings,
+                            halfHourIndicatorSettings: _halfHourIndicatorSettings,
                             dates: dates,
                             showLiveLine: widget.showLiveTimeLineInAllDays ||
                                 _showLiveTimeIndicator(dates),
@@ -433,6 +447,8 @@ class WeekViewState<T extends Object?> extends State<WeekView<T>> {
                             minuteSlotSize: widget.minuteSlotSize,
                             scrollConfiguration: _scrollConfiguration,
                             fullDayEventBuilder: _fullDayEventBuilder,
+                            showHalfHours: widget.showHalfHours, 
+                            showQuarterHours: widget.showQuarterHours,
                           ),
                         );
                       },
@@ -510,6 +526,13 @@ class WeekViewState<T extends Object?> extends State<WeekView<T>> {
     _weekTitleWidth =
         (_width - _timeLineWidth - _hourIndicatorSettings.offset) /
             _totalDaysInWeek;
+
+    _halfHourIndicatorSettings = widget.halfHourIndicatorSettings ?? 
+      HourIndicatorSettings(
+          height: widget.heightPerMinute,
+          color: Constants.defaultBorderColor,
+          offset: 5,
+        );
   }
 
   void _calculateHeights() {