Added a simple Python GUI to set date and time

events.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Created by br@re-web.eu, 2015
+# Created by br _at_ re-web _dot_ eu, 2015
 
 try:
     import RPi.GPIO as GPIO

gui.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python
-# Created by br@re-web.eu, 2015
+# Created by br _at_ re-web _dot_ eu, 2015
 
 from __future__ import division
 
-import pygame  
+import pygame
 
 try:
     import pygame.fastevent as EventModule
@@ -18,7 +18,7 @@ class GuiException(Exception):
 class GUI_PyGame:
     """A GUI class using PyGame"""
 
-    def __init__(self, name, size):
+    def __init__(self, name, size, hide_mouse=True):
         # Call init routines
         pygame.init()
         if hasattr(EventModule, 'init'):
@@ -28,7 +28,8 @@ class GUI_PyGame:
         pygame.display.set_caption(name)
 
         # Hide mouse cursor
-        pygame.mouse.set_cursor(*pygame.cursors.load_xbm('transparent.xbm','transparent.msk'))
+        if hide_mouse:
+            pygame.mouse.set_cursor(*pygame.cursors.load_xbm('transparent.xbm','transparent.msk'))
 
         # Store screen and size
         self.size = size
@@ -87,6 +88,31 @@ class GUI_PyGame:
 
         self.surface_list.append((rendered_text, (0,0)))
 
+    def show_button(self, text, pos, size=(0,0), color=(230,230,230), bg=(0,0,0), transparency=True, outline=(230,230,230)):
+        # Choose font
+        font = pygame.font.Font(None, 72)
+        text_size = font.size(text)
+        if size == (0,0):
+            size = (text_size[0] + 4, text_size[1] + 4)
+        offset = ( (size[0] - text_size[0]) // 2, (size[1] - text_size[1]) // 2 )
+
+        # Create Surface object and fill it with the given background
+        surface = pygame.Surface(self.size) 
+        surface.fill(bg) 
+
+        # Render text
+        rendered_text = font.render(text, 1, color)
+        surface.blit(rendered_text, pos)
+
+        # Render outline
+        pygame.draw.rect(surface, outline, (pos[0]-offset[0], pos[1]-offset[0], size[0], size[1]), 1)
+
+        # Make background color transparent
+        if transparency:
+            surface.set_colorkey(bg)
+
+        self.surface_list.append((surface, (0,0)))
+
     def wrap_text(self, msg, font, size):
         final_lines = []                   # resulting wrapped text
         requested_lines = msg.splitlines() # wrap input along line breaks

photobooth.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Created by br@re-web.eu, 2015
+# Created by br _at_ re-web _dot_ eu, 2015-2016
 
 import os
 from datetime import datetime
@@ -10,8 +10,8 @@ from time import sleep, clock
 from PIL import Image
 
 from gui import GUI_PyGame as GuiModule
-# from camera import CameraException, Camera_cv as CameraModule
+from camera import CameraException, Camera_cv as CameraModule
-from camera import CameraException, Camera_gPhoto as CameraModule
+#from camera import CameraException, Camera_gPhoto as CameraModule
 from slideshow import Slideshow
 from events import Rpi_GPIO as GPIO
 

photobooth.sh

@@ -5,7 +5,7 @@ PHOTOBOOTH_DIR=/home/pi/photobooth
 cd "${PHOTOBOOTH_DIR}"
 
 if [[ $1 == "set-time" ]]; then
-  sudo gnome-control-center datetime
+  sudo python set-time.py
 fi
 
 sudo python photobooth.py >>photobooth.log 2>>photobooth.err

set-time.py

@@ -0,0 +1,100 @@
+#!/usr/bin/env python
+# Created by br _at_ re-web _dot_ eu, 2016
+
+from gui import GUI_PyGame as GuiModule
+from time import sleep
+
+import subprocess
+
+# Screen size
+display_size = (1024, 600)
+
+# Button size
+button_size = (70, 70)
+
+date_digits = ['D', 'D', 'M', 'M', 'Y', 'Y', 'Y', 'Y'] # DD-MM-YYYY
+time_digits = ['H', 'H', 'M', 'M'] # HH-MM
+
+numpad = { 	'1': (100, 100), '2': (200, 100), '3': (300, 100),
+			'4': (100, 200), '5': (200, 200), '6': (300, 200),
+			'7': (100, 300), '8': (200, 300), '9': (300, 300),
+			'0': (200, 400) }
+
+#################
+### Functions ###
+#################
+
+def check_and_handle_events(display, digit):
+    r, e = display.check_for_event()
+    while r:
+        handle_event(e, digit)
+        r, e = display.check_for_event()
+
+def handle_event(event, digit, digits, numpad):
+	# mouseclick
+	if event.type == 2 and event.value[0] == 1:
+		print(event.value[1])
+		for num, pos in numpad.items():
+			if (event.value[1][0] > pos[0] and
+			   	event.value[1][0] < pos[0] + button_size[0] and
+			   	event.value[1][1] > pos[1] and
+			   	event.value[1][1] < pos[1] + button_size[1]):
+				digits[digit] = num
+				return True
+	return False
+
+def show_numpad(display, numpad, button_size):
+	for num, pos in numpad.items():
+		display.show_button(num, pos, button_size)
+
+def show_digits(display, digits, button_size):
+	for i in range(len(digits)):
+		display.show_button(digits[i], (400 + i * (button_size[0] + 5), 200), button_size, outline=(0,0,0))
+	
+def main():	
+	display = GuiModule('set-time', display_size, hide_mouse=False)
+
+	for digit in range(len(date_digits)):
+		display.clear()
+
+		show_numpad(display, numpad, button_size)	
+		display.show_button('Date:', (400, 100), outline=(0,0,0))
+		show_digits(display, date_digits, button_size)	
+
+		display.apply()
+
+		digit_done = False
+		while not digit_done:
+			event = display.wait_for_event()
+			digit_done = handle_event(event, digit, date_digits, numpad)
+
+	for digit in range(len(time_digits)):
+		display.clear()
+
+		show_numpad(display, numpad, button_size)	
+		display.show_button('Time:', (400, 100), outline=(0,0,0))
+		show_digits(display, time_digits, button_size)	
+
+		display.apply()
+
+		digit_done = False
+		while not digit_done:
+			event = display.wait_for_event()
+			digit_done = handle_event(event, digit, time_digits, numpad)
+
+	# YYYY-MM-DD HH:mm
+	date_str = ( '"' + 
+		         date_digits[4] + date_digits[5] + date_digits[6] + date_digits[7] + '-' +
+	             date_digits[2] + date_digits[3] + '-' +
+	             date_digits[0] + date_digits[1] + ' ' + 
+	             time_digits[0] + time_digits[1] + ':' + time_digits[2] + time_digits[3] +
+	             '"' )
+
+	subprocess.check_call(['date', '-s', date_str])
+
+	display.teardown()
+	return 0
+
+if __name__ == "__main__":
+    exit(main())
+