Flash LED programmierung

led.py

@@ -0,0 +1,126 @@
+"""
+Soft-LED
+
+Mögliche Basisfarben:
+  Rot, Grün, Blau, Orange, Gelb, Aqua, Violett, Weiß
+
+Funktionen
+  Farbe einstellen
+  Helligkeit einstellen
+  Blitzen
+  Einschalten
+  Ausschalten
+  Leuchten, limitiert auf eine Zeitdauer
+
+TODO Eigene Drawingarea im Frontend
+
+"""
+
+import math
+from gi.repository import GLib, Gtk
+
+colordef = {
+    'red':    ((1.0, 0.0, 0.0), "0xff0000"),
+    'green':  ((0.0, 1.0, 0.0), "0x00ff00"),
+    'blue':   ((0.0, 0.0, 1.0), "0x0000ff"),
+    'orange': ((1.0, 0.6, 0.0), "0xff9900"),
+    'yellow': ((1.0, 1.0, 0.0), "0xffff00"),
+    'aqua':   ((0.2, 0.4, 1.0), "0x3366ff"),
+    'violet': ((1.0, 0.0, 0.4), "0xff0066"),
+    'white':  ((1.0, 1.0, 1.0), "0xffffff")
+}
+
+class LED():
+
+    def __init__(self, parent):
+        # parent muß ein Gtk.Fixed-Objekt sein
+        self._colorname = ""
+        self._color = (0, 0, 0)                    # Farbe schwarz ist aus
+        self._brightness = 0.0
+        self._color_off = (0.3725, 0.4275, 0.6078) # RGB(95, 109, 155)
+        self._pos_x = 30
+        self._pos_y = 16
+        self._radius = 4
+        self._flashcounter = 0
+
+        # Box oberhalb des Displays
+        self._da = Gtk.DrawingArea()
+        parent.put(self._da, 64, 56)
+        self._da.set_size_request(400, 32)
+        self._da.connect("draw", self.on_draw)
+
+    def on_draw(self, widget, ctx):
+        #Debug
+        #ctx.set_source_rgb(1, 0, 0)
+        #ctx.rectangle(0, 0, 400, 32)
+        #ctx.stroke()
+        ctx.set_source_rgb(*self._color_off)
+        ctx.arc(self._pos_x, self._pos_y, self._radius, 0, 2*math.pi)
+        ctx.fill_preserve()
+        ctx.set_source_rgb(0, 0, 0) # Schwarzer Rand
+        ctx.stroke()
+        ctx.arc(self._pos_x, self._pos_y, self._radius, 0, 2*math.pi)
+        ctx.stroke()
+
+    def on_timer(self):
+        self.switchOff()
+        return True
+
+    def on_flash(self):
+        if self._flashcounter > 0:
+            self._flashcounter -=1
+            return True
+        return False
+
+    def switchOn(self, duration=None):
+        self._brightness = 1.0
+        self._ctx.save()
+        self._ctx.set_source_rgb(*self._color)
+        self._ctx.arc(self._pos_x, self._pos_y, self._radius, 0, 2*math.pi)
+        self._ctx.fill_preserve()
+        self._ctx.set_source_rgb((0, 0, 0)) # Schwarzer Rand
+        self._ctx.stroke()
+        self._ctx.restore()
+        if self._duration:
+            GLib.timeout_add_seconds(duration, self.on_flash)
+            
+
+    def switchOff(self):
+        self._brightness = 0.0
+        self._ctx.save()
+        self._ctx.set_source_rgb(*self._color_off)
+        self._ctx.arc(self._pos_x, self._pos_y, self._radius, 0, 2*math.pi)
+        self._ctx.fill_preserve()
+        self._ctx.set_source_rgb((0, 0, 0)) # Schwarzer Rand
+        self._ctx.stroke()
+        self._ctx.restore()
+
+    def doFlash(self, count=1):
+        if (self._brightness > 0) or (count < 0):
+            # Wenn aktiv oder falscher Parameter, dann passiert nichts
+            return
+        if count > 10:
+            # maximal 10 Blitze
+            self._flashcounter = 10
+        else:
+            self._flashcounter = count
+        GLib.timeout_add_seconds(0.2, self.on_flash)
+
+    def setColor(self, colorname, brightness=1.0):
+        #TODO Helligkeit einstellen
+        colorname = colorname.lower()
+        if not colorname in colordef:
+            return
+        self._colorname = colorname
+        self._color = colordef[colorname][0]
+
+    def getColor(self):
+        return self._color
+
+    def getColorAsHex(self):
+        # TODO
+        return None
+
+    def setBrightness(self, newbrightness):
+        # 0% bis 100%, ausgehend von der aktuellen Basisfarbe
+        pass

obp60v.py

@@ -109,6 +109,7 @@ import uuid
 import json
 
 from appdata import AppData
+from led import LED
 import nmea0183
 import pages
 
@@ -359,13 +360,21 @@ class Frontend(Gtk.Window):
 
         self.connect("draw", self.on_draw)
 
+        self.fixed = Gtk.Fixed()
+        self.add(self.fixed)
+
+        # OBP GUI
         self.da = Gtk.DrawingArea()
         self.da.add_events(Gdk.EventMask.BUTTON_PRESS_MASK|Gdk.EventMask.BUTTON_RELEASE_MASK)
-        self.add(self.da)
+        self.fixed.put(self.da, 0, 0)
+        self.da.set_size_request(530, 555) # für fixed benötigt
         self.da.connect("draw", self.da_draw)
         self.da.connect('button-press-event', self.da_button_press)
         self.da.connect('button-release-event', self.da_button_release)
 
+        # Flash LED
+        self.flashled = LED(self.fixed) # Soft Flash-LED
+
         self.button_clicked = 0 # Geklickter Button vor Loslassen
         self.keylock = False
         self.pages = profile