add an option to adjust hijri calendar by -/+ 1 day

hijra.py

@@ -51,12 +51,13 @@
 __p_const=191
 __q_const=360
 __a_const=48
-__hijri_epoch=227015; # = Julian 0622-7-16 = gregorian 0759-6-11 (I think it should be 622, 7, 19)
+__hijri_epoch=227015 # = Julian 0622-7-16 = gregorian 0759-6-11 (I think it should be 622, 7, 19)
 # TODO: Why does the the hijri_epoch 227015 does not give the expected value when converted to gregorian
 
 def get_consts():
    """Return a tuple of the 3 constants (p,q,a) used by this algothim, for debuging"""
    return (__p_const, __q_const, __a_const)
+
 def get_epoch():
    """Return Hijri epoch, number of days since gregorian epoch, (should be Julian 0622-7-16 (ie. 227015 days)"""
    return __hijri_epoch

hijrical.py

@@ -29,7 +29,8 @@
 
 class HijriCal:
     """a Class that provide a high level Islamic Hijri calendar API"""
-    def __init__(self):
+    def __init__(self, adjustment=0):
+        self.adjustment = adjustment
         """Create HijriCal Object"""
         self.__md = [[""]*7,[""]*7,[""]*7,[""]*7,[""]*7,[""]*7] # 7 days on at most 6 weeks
         self.__g_md = [[""]*7,[""]*7,[""]*7,[""]*7,[""]*7,[""]*7] # 7 days on at most 6 weeks
@@ -52,6 +53,7 @@ def refresh_today(self):
         else:
             yy, mm, dd = localtime()[:3]
             self.g_today= (yy, mm, dd)
+            dd += int(self.adjustment) # adjust hijri calendar
             Y, M, D = gregorian_to_hijri(yy, mm, dd)
             wd = hijri_day_of_week (Y, M, D)
             self.today= (Y, M, D, wd)
@@ -60,6 +62,7 @@ def refresh_today(self):
     def goto_gregorian_day(self,yy, mm, dd):
         """Jump to some Hijri day"""
         try:
+            dd += int(self.adjustment) # adjust hijri calendar
             Y, M, D = gregorian_to_hijri(yy, mm, dd)
             self.goto_hijri_day(Y, M, D)
         except:

options.py

@@ -39,6 +39,7 @@ def __init__(self):
 			self._normaladhan        = cparse.get('DEFAULT', 'normal-adhan')
 			self._audionotifications = cparse.get('DEFAULT', 'audio-notifications')
 			self._daylightsavingtime = cparse.get('DEFAULT', 'daylight-saving-time')
+			self._hijricaladjustment = cparse.get('DEFAULT', 'hijrical-adjustment')
 
 		except configparser.NoOptionError:
 			print ("DEBUG: No configration file using default settings")
@@ -57,6 +58,7 @@ def __init__(self):
 			self._normaladhan        = (self.get_normal_adhans())[0]
 			self._audionotifications = '1'
 			self._daylightsavingtime = '1'
+			self._hijricaladjustment = '0'
 			self.save_options()
 
 		except ValueError:
@@ -77,6 +79,7 @@ def __init__(self):
 			self._normaladhan        = (self.get_normal_adhans())[0]
 			self._audionotifications = '1'
 			self._daylightsavingtime = '1'
+			self._hijricaladjustment = '0'
 			self.save_options()
 
 	## Functions with lists for the Buttons
@@ -249,6 +252,16 @@ def notification_time(self, data):
 		#print ("DEBUG: setting notification time settings @", (str(datetime.datetime.now())))
 		self._notif = str(data)
 
+	@property
+	def hijrical_adjustment(self):
+		#print ("DEBUG: getting hijri cal adjustment settings @", (str(datetime.datetime.now())))
+		return float(self._hijricaladjustment)
+
+	@hijrical_adjustment.setter
+	def hijrical_adjustment(self, data):
+		#print ("DEBUG: setting hijri cal adjustment settings @", (str(datetime.datetime.now())))
+		self._hijricaladjustment = str(data)
+
 	@property
 	def iconlabel_num(self):
 		return self._iconlabel
@@ -378,13 +391,16 @@ def save_options(self):
 # Should the application use daylight saving time
 daylight-saving-time = %s
 
+# Adjust Hijri Calendar
+hijrical-adjustment = %s
+
 # Paths to the audio files
 fajr-adhan = %s
 normal-adhan = %s
 
 ''' %  (self.city, self.country, self.latitude, self.longitude, self.timezone, \
         self.calculation_method_name, self.madhab_name, self.clock_format, \
         self.notification_time, self.iconlabel_num, self.audio_notifications_num, self.start_minimized_num, \
-        self.daylight_saving_time_num, self.fajr_adhan, self.normal_adhan)
+        self.daylight_saving_time_num, self.hijrical_adjustment, self.fajr_adhan, self.normal_adhan)
 		config.write(Text)
 		config.close()

silaty.py

@@ -84,8 +84,8 @@ def set_layout(self):
         self.sidebar.add_to_stack(self.qiblacompass, 'qibla')
 
         # Set up calendar panel
-        cal = SilatyCal()
-        self.sidebar.add_to_stack(cal, "calendar")
+        self.calendar = SilatyCal()
+        self.sidebar.add_to_stack(self.calendar, "calendar")
 
         # Set up the options pane
         self.set_options()
@@ -173,6 +173,15 @@ def set_options(self):
         self.cfmenu.connect("changed", self.on_entered_clock_format)
         settings.add_setting(self.cfmenu, cflabel)
 
+        # Adjust Hijri Calendar
+        defaultvalue = self.prayertimes.options.hijrical_adjustment
+        hijrilabel   = Gtk.Label('Adjust Hijri Calendar:', halign=Gtk.Align.START)
+        hijriadj     = Gtk.Adjustment(value=0, lower=-1, upper=1, step_incr=1, page_incr=1, page_size=0)
+        self.hijrivalue = Gtk.SpinButton(adjustment=hijriadj, halign=Gtk.Align.FILL)
+        self.hijrivalue.set_value(float(defaultvalue))
+        self.hijrivalue.connect("value-changed",self.on_entered_hijrical_adjustment)
+        settings.add_setting(self.hijrivalue, hijrilabel)
+
         settings.add_category("Notifications")
 
         # Show Icon with label
@@ -243,7 +252,7 @@ def set_options(self):
 
         settings.add_category("Jurisprudence")
 
-        # Cal Method
+        # Calculation Method
         defaultmethod    = self.prayertimes.options.calculation_method_name
         methods          = self.prayertimes.options.get_cal_methods()
         calmethodlabel   = Gtk.Label('Calculation Method:', halign=Gtk.Align.START)
@@ -454,6 +463,11 @@ def on_entered_timezone(self, widget):
     def on_entered_notification_time(self, widget):
         self.prayertimes.options.notification_time = widget.get_value()
 
+    def on_entered_hijrical_adjustment(self, widget):
+        self.prayertimes.options.hijrical_adjustment = widget.get_value()
+        self.calendar.cal.hijrical.adjustment = widget.get_value()
+        self.calendar.cal.refresh()
+
     def on_entered_clock_format(self, widget):
         self.prayertimes.options.clock_format = widget.get_active_text()
         self.update_prayers(False)

silatycal.py

@@ -7,6 +7,7 @@
 from gi.repository import GObject, GLib, Gtk, Gdk, GdkPixbuf
 from datetime import date, timedelta
 from hijrical import *
+from options import *
 import datetime
 import os
 
@@ -27,7 +28,9 @@ def __init__(self):
 		gtitlelabel = Gtk.Label(label=(now_wd+", "+g_date))
 		gtitlelabel.props.halign = Gtk.Align.START
 
-		calc = HijriCal()
+		self.options = Options()
+
+		calc = HijriCal(self.options.hijrical_adjustment)
 		h_months = ['Muharram', 'Safar', 'Rabi al Awwal', 'Rabi al Akhira', 'Jumada al Ula', 'Jumada al Akhira', 'Rajab',  "Sha'ban",  'Ramadan',  'Shawwal',  "Dhu al Qa'da", 'Dhu al Hijja']
 		h_year,  h_month,  h_day,  h_week_day = calc.today
 		h_date = '%i %s %i' % ( h_day,  h_months[int(h_month-1)],  h_year)
@@ -52,7 +55,7 @@ def __init__(self):
 		topbox.pack_end(box, False, False, 0)
 
 		# Set up the date switcher
-		self.cal = Cal()
+		self.cal = Cal(self)
 
 		#bottombox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, halign=Gtk.Align.FILL, margin=24)
 		#opmaya = Gtk.Button(label="Open Maya")
@@ -80,13 +83,15 @@ def on_entered_hijri(self, widget, event):
 					self.cal.caltable.get_child_at(column,row).state = CalendarState.Gregorian
 
 class Cal(Gtk.Box):
-	def __init__(self):
+	def __init__(self, parent):
 		Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL, spacing=12)
 		self.dateswitcher = Gtk.Grid(row_homogeneous=True)
 		self.dateswitcher.set_halign(Gtk.Align.CENTER)
 
+		self.parent = parent
+
 		self._refdate = datetime.datetime.today()
-		self.hijcal = HijriCal()
+		self.hijrical = HijriCal(self.parent.options.hijrical_adjustment)
 		self.weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
 		self.gmonths = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
 		self.hmonths = ['Muharram', 'Safar', 'Rabi al Awwal', 'Rabi al Akhira', 'Jumada al Ula', 'Jumada al Akhira', 'Rajab',  "Sha'ban",  'Ramadhan',  'Shawwal',  "Dhu al Qa'da", 'Dhu al Hijja']
@@ -195,7 +200,7 @@ def __init__(self):
 		gday   = (self.refdate).strftime("%d")
 		gmonth = (self.refdate).strftime("%B")
 		gyear  = (self.refdate).strftime("%Y")
-		hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+		hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 
 		self.gmonthstack.set_visible_child_name(self.refdate.strftime("%B"))
 		self.hmonthstack.set_visible_child_name(self.hmonths[int(hmonth-1)])
@@ -258,9 +263,7 @@ def __init__(self):
 		self.gmtoday = self.gmonths.index(_gmonth)
 		self.gytoday = int(_gyear)
 
-		hijrical = HijriCal()
-
-		self.hytoday, self.hmtoday, self.hdtoday = hijrical.goto_gregorian_day(self.gytoday, (self.gmtoday+1), self.gdtoday)
+		self.hytoday, self.hmtoday, self.hdtoday = self.hijrical.goto_gregorian_day(self.gytoday, (self.gmtoday+1), self.gdtoday)
 
 		calendarindex = -(wtoday+(((6-wtoday)+self.gdtoday)//7)*7)
 
@@ -277,7 +280,7 @@ def __init__(self):
 				cgmday = self.gmonths.index((datetime.datetime.now() + timedelta(days=calendarindex)).strftime("%B"))
 				cgyday = int((datetime.datetime.now() + timedelta(days=calendarindex)).strftime("%Y"))
 
-				chyday, chmday, chdday = hijrical.goto_gregorian_day(cgyday, (cgmday+1), cgdday)
+				chyday, chmday, chdday = self.hijrical.goto_gregorian_day(cgyday, (cgmday+1), cgdday)
 
 				if (cgmday != self.gmtoday):
 					gcolor = CalendarColor.DGrey
@@ -327,20 +330,20 @@ def left_arrow_pressed(self, widget, event):
 			gday   = self.refdate.strftime("%d")
 			gmonth = self.refdate.strftime("%B")
 			gyear  = self.refdate.strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			refwd = self.weekdays.index(self.refdate.strftime("%A"))
 			calendarindex = -(refwd+(((6-refwd)+int(self.refdate.strftime("%d")))//7)*7)
 		else:
 			gday   = self.refdate.strftime("%d")
 			gmonth = self.refdate.strftime("%B")
 			gyear  = self.refdate.strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			ndays = hijri_month_days(hyear, hmonth-2)
 			self.refdate = self.refdate-timedelta(days=ndays)
 			gday   = self.refdate.strftime("%d")
 			gmonth = self.refdate.strftime("%B")
 			gyear  = self.refdate.strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			refwd = self.weekdays.index(self.refdate.strftime("%A"))
 			calendarindex = -(refwd+(((6-refwd)+hday)//7)*7)
 		self.shift_days_of_table(gday, gmonth, gyear, hday, hmonth, hyear, calendarindex, CalendarDirection.RIGHT)
@@ -356,20 +359,20 @@ def right_arrow_pressed(self, widget, event):
 			gday   = (self.refdate).strftime("%d")
 			gmonth = (self.refdate).strftime("%B")
 			gyear  = (self.refdate).strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			refwd = self.weekdays.index(self.refdate.strftime("%A"))
 			calendarindex = -(refwd+(((6-refwd)+int(self.refdate.strftime("%d")))//7)*7)
 		else:
 			gday   = (self.refdate).strftime("%d")
 			gmonth = (self.refdate).strftime("%B")
 			gyear  = (self.refdate).strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			ndays = timedelta(days=hijri_month_days(hyear, hmonth))
 			self.refdate = self.refdate+ndays
 			gday   = self.refdate.strftime("%d")
 			gmonth = self.refdate.strftime("%B")
 			gyear  = self.refdate.strftime("%Y")
-			hyear, hmonth, hday = self.hijcal.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
 			refwd = self.weekdays.index(self.refdate.strftime("%A"))
 			calendarindex = -(refwd+(((6-refwd)+hday)//7)*7)
 		self.shift_days_of_table(gday, gmonth, gyear, hday, hmonth, hyear, calendarindex, CalendarDirection.LEFT)
@@ -384,13 +387,72 @@ def set_image_from_file(self, iconpath):
 			icon = Gtk.Image.new_from_stock(Gtk.STOCK_MISSING_IMAGE, 22)
 		return icon
 
+	def refresh(self):
+		# update hijri date
+		self.hytoday, self.hmtoday, self.hdtoday = self.hijrical.goto_gregorian_day(self.gytoday, (self.gmtoday+1), self.gdtoday)
+		# update hijri title label
+		now_wd = datetime.datetime.now().strftime("%A")
+		h_date = '%i %s %i' % ( self.hdtoday,  self.hmonths[int(self.hmtoday-1)],  self.hytoday)
+		self.parent.titlestack.get_child_by_name("Hijri").set_label(now_wd+", "+h_date)
+		# update calendar
+		gday   = (self.refdate).strftime("%d")
+		gmonth = (self.refdate).strftime("%B")
+		gyear  = (self.refdate).strftime("%Y")
+		if self.state == CalendarState.Gregorian:
+			# Get the size of this month
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			refwd = self.weekdays.index(self.refdate.strftime("%A"))
+			calendarindex = -(refwd+(((6-refwd)+int(self.refdate.strftime("%d")))//7)*7)
+		else:
+			hyear, hmonth, hday = self.hijrical.goto_gregorian_day(int(gyear), (self.gmonths.index(gmonth)+1), int(gday))
+			refwd = self.weekdays.index(self.refdate.strftime("%A"))
+			calendarindex = -(refwd+(((6-refwd)+hday)//7)*7)
+		for row in range(0, 6):
+			for column in range(0, 7):
+				newgday = int((self.refdate + timedelta(days=(calendarindex))).strftime("%d"))
+				newgmonth = self.gmonths.index((self.refdate + timedelta(days=(calendarindex))).strftime("%B"))
+				newgyear = int((self.refdate + timedelta(days=(calendarindex))).strftime("%Y"))
+				newhyear, newhmonth, newhday = self.hijrical.goto_gregorian_day(newgyear, newgmonth+1, newgday)
+
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next = newgday
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next = newhday
+
+				if (column == 0) or (column == 6):
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next_background = CalendarColor.LGrey
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next_background = CalendarColor.LGrey
+				else:
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next_background = CalendarColor.White
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next_background = CalendarColor.White
+
+				if newgmonth != self.gmonths.index(self.refdate.strftime("%B")):
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next_background = CalendarColor.DGrey
+
+				if newhmonth != hmonth:
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next_background = CalendarColor.DGrey
+
+				if (newgday == self.gdtoday and newgmonth == self.gmtoday and newgyear == self.gytoday):
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next_background = CalendarColor.Blue
+
+				if (newhday == self.hdtoday and newhmonth == self.hmtoday and newhyear == self.hytoday):
+					self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next_background = CalendarColor.Blue
+
+				newgbackground = self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next_background
+				newhbackground = self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next_background
+
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day = newgday
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_background = newgbackground
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day = newhday
+				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_background = newhbackground
+
+				calendarindex += 1
+
 	def shift_days_of_table(self, gday, gmonth, gyear, hday, hmonth, hyear, calendarindex, direction):
 		for row in range(0, 6):
 			for column in range(0, 7):
 				newgday = int((self.refdate + timedelta(days=(calendarindex))).strftime("%d"))
 				newgmonth = self.gmonths.index((self.refdate + timedelta(days=(calendarindex))).strftime("%B"))
 				newgyear = int((self.refdate + timedelta(days=(calendarindex))).strftime("%Y"))
-				newhyear, newhmonth, newhday = self.hijcal.goto_gregorian_day(newgyear, newgmonth+1, newgday)
+				newhyear, newhmonth, newhday = self.hijrical.goto_gregorian_day(newgyear, newgmonth+1, newgday)
 
 				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Gregorian').day_next = newgday
 				self.caltable.get_child_at(column,row).labelstack.get_child_by_name('Hijri').day_next = newhday