Initial commit

clock.py

@@ -0,0 +1,349 @@
+# Many thanks to https://stackoverflow.com/questions/18923321/making-a-clock-in-kivy
+import collections
+import datetime
+import math
+import sys
+import traceback
+
+from kivy.app import App
+from kivy.uix.floatlayout import FloatLayout
+from kivy.uix.label import Label
+from kivy.clock import Clock
+from kivy.lang import Builder
+from kivy.graphics import Color, Line, Rectangle
+
+from multiprocessing import Process
+from playsound import playsound
+
+Builder.load_string('''
+<MyClockWidget>:
+    on_pos: self.update_clock()
+    on_size: self.update_clock()
+
+    FloatLayout
+        id: face
+        size_hint: None, None
+        pos_hint: {"center_x":0.5, "center_y":0.5}
+        size: 0.9*min(root.size), 0.9*min(root.size)
+        canvas:
+            Color:
+                rgb: 0.1, 0.1, 0.1
+            Ellipse:
+                size: self.size
+                pos: self.pos
+
+    FloatLayout
+        id: hands
+        size_hint: None, None
+        pos_hint: {"center_x":0.5, "center_y":0.5}
+        size: 0.9*min(root.size), 0.9*min(root.size)
+
+    FloatLayout
+        id: set_alarm_button
+        size_hint: None, None
+        pos_hint: {"center_x":0.9, "center_y":0.1}
+        size: 0.1*min(root.size), 0.1*min(root.size)
+''')
+
+Position = collections.namedtuple('Position', 'x y')
+
+global sound_process
+sound_process = None
+
+def play_sound(source):
+    playsound(source)
+
+class MyClockWidget(FloatLayout):
+    set_alarm_mode = False
+    alarm_time = datetime.datetime(2022, 12, 10, 7, 30, 0, 0)
+    alarm_activated = False
+
+    grabbed = ""
+    face_numbers = []
+    set_alarm_timeout_counter = 0
+    alarm_modified = False
+    seconds_to_next_alarm = False
+    led_color = [0, 0, 0]
+    # sound_source = "https://icecast.omroep.nl/radio1-bb-mp3"
+    sound_source = "Woodpecker Chirps - QuickSounds.com.mp3"
+
+    def draw_face(self):
+        """
+        Add number labels when added in widget hierarchy
+        """
+        if self.set_alarm_mode:
+            time = self.alarm_time
+        else:
+            time = datetime.datetime.now()
+
+        for i in range(1, 13):
+            if time.hour < 12:
+                offset = 0
+            else:
+                offset = 12
+
+            self.face_numbers.append(Label(
+                text=str(i + offset),
+                pos_hint={
+                    # pos_hint is a fraction in range (0, 1)
+                    "center_x": 0.5 + 0.45*math.sin(2 * math.pi * i/12),
+                    "center_y": 0.5 + 0.45*math.cos(2 * math.pi * i/12),
+                }
+            ))
+            self.ids["face"].add_widget(self.face_numbers[i - 1])
+
+    def update_face(self):
+        if self.set_alarm_mode:
+            time = self.alarm_time
+        else:
+            time = datetime.datetime.now()
+
+        for i in range(0, 12):
+            if time.hour < 12:
+                offset = 0
+            else:
+                offset = 12
+
+            self.face_numbers[i].text=str(i + 1 + offset)
+
+
+    def on_parent(self, myclock, parent):
+        self.draw_face()
+
+    def position_on_clock(self, fraction, length):
+        """
+        Calculate position in the clock using trygonometric functions
+        """
+        center_x = self.size[0]/2
+        center_y = self.size[1]/2
+        return Position(
+            center_x + length * math.sin(2 * math.pi * fraction),
+            center_y + length * math.cos(2 * math.pi * fraction),
+        )
+
+    def update_set_alarm_button(self):
+        set_alarm_button = self.ids["set_alarm_button"]
+
+        if self.set_alarm_mode or self.alarm_activated:
+            source = 'alarm_on.png'
+            r = 0.9
+            g = 0.0
+            b = 0.0
+        else:
+            source = 'alarm_off.png'
+            r = 1.0
+            g = 1.0
+            b = 1.0
+
+        set_alarm_button = self.ids["set_alarm_button"]
+        set_alarm_button.canvas.clear()
+        with set_alarm_button.canvas:
+            Color(r, g, b)
+            Rectangle(size=set_alarm_button.size, pos=set_alarm_button.pos, source=source)
+
+    def sun_rise(self):
+        # to do: calculate brightness and color according to sun rise instead of linear increment
+        intensity = round((1.0 - self.seconds_to_next_alarm / (30.0 * 60.0)) * 256.0)
+        led_color = [0, 0, 0]
+        for i in range(3):
+            led_color[i] = intensity
+
+        if self.led_color != led_color:
+            self.led_color = led_color
+
+    def check_sun_rise(self):
+        if self.alarm_activated == False:
+            return
+
+        if self.seconds_to_next_alarm < 30 * 60:
+            self.sun_rise()
+
+    def check_play_sound(self):
+        global sound_process
+
+        if self.alarm_activated == False:
+            return
+
+        if self.seconds_to_next_alarm < 0.1 and sound_process is None:
+            print("beep beep!")
+            sound_process = Process(target=play_sound, args=(self.sound_source,))
+            sound_process.start()
+
+    def calc_seconds_to_next_alarm(self):
+        if self.alarm_activated == False:
+            return
+
+        # Make sure alarm_time is in the future but not more than 24 h from now
+        now = datetime.datetime.now()
+        d = self.alarm_time - now
+        self.alarm_time -= datetime.timedelta(days=d.days)
+
+        # Calculate number of seconds until next alarm
+        d = self.alarm_time - now
+        self.seconds_to_next_alarm = d.days * 24 * 3600 + d.seconds + d.microseconds / 1000000.0
+
+    def check_alarm(self):
+        self.calc_seconds_to_next_alarm()
+        self.check_sun_rise()
+        self.check_play_sound()
+
+    def update_clock(self, *args):
+        self.check_alarm()
+        """
+        Redraw clock hands
+        """
+        if self.set_alarm_mode:
+            time = self.alarm_time
+        else:
+            time = datetime.datetime.now()
+
+        hands = self.ids["hands"]
+        seconds_hand = self.position_on_clock(time.second/60, length=0.45*hands.size[0])
+        minutes_hand = self.position_on_clock(time.minute/60+time.second/3600, length=0.40*hands.size[0])
+        hours_hand = self.position_on_clock(time.hour/12 + time.minute/720, length=0.35*hands.size[0])
+
+        self.update_face()
+        self.update_set_alarm_button()
+
+        hands.canvas.clear()
+        with hands.canvas:
+            if self.set_alarm_mode:
+                if self.grabbed != "" or self.set_alarm_timeout_counter < 1 * 60 or self.set_alarm_timeout_counter % 60 <= 30 or self.alarm_modified == False:
+                    Color(0.9, 0.0, 0.0)
+                    Line(points=[hands.center_x, hands.center_y, hours_hand.x, hours_hand.y], width=3, cap="round")
+                    Color(0.8, 0.0, 0.0)
+                    Line(points=[hands.center_x, hands.center_y, minutes_hand.x, minutes_hand.y], width=2, cap="round")
+
+                if self.grabbed == "":
+                    self.set_alarm_timeout_counter += 1
+
+                if self.set_alarm_timeout_counter >= 4 * 60 + 30:
+                    self.set_alarm_mode = False
+                    self.set_alarm_timeout_counter = 0
+
+                    if self.alarm_modified:
+                        self.alarm_activated = True
+                    self.alarm_modified = False
+            else:
+                Color(0.9, 0.9, 0.9)
+                Line(points=[hands.center_x, hands.center_y, hours_hand.x, hours_hand.y], width=3, cap="round")
+                Color(0.8, 0.8, 0.8)
+                Line(points=[hands.center_x, hands.center_y, minutes_hand.x, minutes_hand.y], width=2, cap="round")
+                Color(0.7, 0.7, 0.7)
+                Line(points=[hands.center_x, hands.center_y, seconds_hand.x, seconds_hand.y], width=1, cap="round")
+
+    def on_alarm_button_pressed(self):
+        self.alarm_modified = False
+        self.set_alarm_timeout_counter = 0
+
+        if self.set_alarm_mode:
+            self.set_alarm_mode = False
+            self.alarm_activated = False
+        else:
+            self.set_alarm_mode = True
+            self.alarm_activated = True
+
+    def on_touch_up(self, touch):
+        self.grabbed = ""
+        if self.set_alarm_mode and (self.grabbed == "hour" or self.grabbed == "minute"):
+            self.set_alarm_timeout_counter = 0
+
+    def on_touch_move(self, touch):
+        self.alarm_set_timeout = 0
+        x = touch.pos[0] - self.size[0]/2
+        y = touch.pos[1] - self.size[1]/2
+        angle = math.atan2(y, x) / math.pi; # angle is between -1 and 1
+        if self.grabbed == "minute":
+            self.alarm_modified = True
+            self.set_alarm_timeout_counter = 0
+            minute = round(-angle * 30 + 15)
+            if minute < 0:
+                minute += 60
+            if minute == 60:
+                minute = 59
+
+            # hour correction
+            hour = self.alarm_time.hour
+            if self.alarm_time.minute >= 55 and minute <= 5:
+                hour += 1
+            elif self.alarm_time.minute <= 5 and minute >= 55:
+                hour -= 1
+
+            if hour == 24:
+                hour = 0
+            elif hour == -1:
+                hour = 23
+
+            self.alarm_time = datetime.datetime(self.alarm_time.year, self.alarm_time.month, self.alarm_time.day, \
+                hour, minute, self.alarm_time.second, 0)
+        elif self.grabbed == "hour":
+            self.alarm_modified = True
+            self.set_alarm_timeout_counter = 0
+            hour = round(-angle * 6 + 3)
+            if hour < 0:
+                hour += 12
+            if hour == 12:
+                hour = 0 
+
+            if self.alarm_time.hour >= 12:
+                hour += 12
+
+            # AM / PM correction
+            if self.alarm_time.hour == 11 and hour == 0:
+                hour = 12
+            elif self.alarm_time.hour == 23 and hour == 12:
+                hour = 0
+            elif self.alarm_time.hour == 0 and hour == 11:
+                hour = 23
+            elif self.alarm_time.hour == 12 and hour == 23:
+                hour = 11
+
+            # AM / PM boundary
+            self.alarm_time = datetime.datetime(self.alarm_time.year, self.alarm_time.month, self.alarm_time.day, \
+                hour, self.alarm_time.minute, self.alarm_time.second, 0)
+
+    def on_touch_down(self, touch):
+        global sound_process
+
+        time = self.alarm_time
+        hands = self.ids["hands"]
+        minutes_hand = self.position_on_clock(time.minute/60+time.second/3600, length=0.40*hands.size[0])
+        hours_hand = self.position_on_clock(time.hour/12 + time.minute/720, length=0.35*hands.size[0])
+
+        self.grabbed = ""
+
+        if (0.85 <= touch.spos[0] <= 0.95) and (0.05 <= touch.spos[1] <= 0.15):
+            self.on_alarm_button_pressed()
+        elif sound_process is not None:
+            kill_sound_process()
+        elif self.set_alarm_mode:
+            self.set_alarm_timeout_counter = 0
+            if (minutes_hand.x - 0.1 * self.size[0] <= touch.pos[0] <= minutes_hand.x + 0.1 * self.size[0]) and \
+                (minutes_hand.y - 0.1 * self.size[1] <= touch.pos[1] <= minutes_hand.y + 0.1 * self.size[1]):
+                self.grabbed = "minute"
+            elif (hours_hand.x - 0.1 * self.size[0] <= touch.pos[0] <= hours_hand.x + 0.1 * self.size[0]) and \
+                (hours_hand.y - 0.1 * self.size[1] <= touch.pos[1] <= hours_hand.y + 0.1 * self.size[1]):
+                self.grabbed = "hour"
+
+class MyApp(App):
+    def build(self):
+        clock_widget = MyClockWidget()
+        # update initially, just after construction of the widget is complete
+        Clock.schedule_once(clock_widget.update_clock, 0)
+        # then update 60 times per second
+        Clock.schedule_interval(clock_widget.update_clock, 1.0/60.0)
+        return clock_widget
+
+def kill_sound_process():
+    global sound_process
+    if sound_process is not None:
+        sound_process.kill()
+        sound_process = None
+
+def except_hook(type, value, tb):
+    kill_sound_process()
+
+if __name__ == '__main__':
+    # sys.excepthook = except_hook
+    MyApp().run()
+