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#
# Simple PWM controller
# Remote control tool
#
# Copyright (c) 2018-2021 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
__all__ = [
"MainWindow",
]
from libsimplepwm.connect import *
from libsimplepwm.gui.blocker import *
from libsimplepwm.gui.coloradjwidget import *
from libsimplepwm.gui.gtk_import import *
from libsimplepwm.util import *
import sys
class MainWindow(Gtk.Window):
def __init__(self, connectTo=None):
super().__init__(title="Simple PWM controller - Remote")
self.__changeBlocked = Blocker()
self.__comm = None
self.set_border_width(10)
grid = Grid()
grid.set_column_homogeneous(True)
self.add(grid)
ttys = Gtk.ListStore(str)
if connectTo:
ttys.append([connectTo])
for i in range(4):
tty = f"/dev/ttyUSB{i}"
if tty != connectTo:
ttys.append([tty])
for i in range(2):
tty = f"/dev/ttyS{i}"
if tty != connectTo:
ttys.append([tty])
self.__ttyCombo = Gtk.ComboBox.new_with_model_and_entry(ttys)
self.__ttyCombo.set_entry_text_column(0)
self.__ttyCombo.set_active(0)
grid.attach(self.__ttyCombo, 0, 0, 1, 1)
self.__connectButton = Gtk.Button.new_with_mnemonic("_Connect")
grid.attach(self.__connectButton, 1, 0, 1, 1)
self.__adjWidget = ColorAdjWidget()
self.__adjWidget.set_sensitive(False)
grid.attach(self.__adjWidget, 0, 1, 2, 1)
self.__connectButton.connect("clicked", self.__on_connect)
self.__adjWidget.connect("colorChanged", self.__on_colorChanged)
self.connect("destroy", Gtk.main_quit)
if connectTo:
self.__on_connect(None)
def __getTTY(self):
return self.__ttyCombo.get_model().get_value(self.__ttyCombo.get_active_iter(), 0)
def __connect(self):
if self.__comm:
self.__comm.disconnect()
self.__comm = None
try:
self.__comm = SimplePWM(port=self.__getTTY(),
dumpDataStream=False,
timeout=0.1)
r, g, b = self.__comm.getRGB()
except SimplePWMError as e:
self.__comm = None
raise e
return r, g, b
def __on_connect(self, _):
try:
r, g, b = self.__connect()
self.__adjWidget.set_sensitive(True)
except SimplePWMError as e:
printError(e)
msg = Gtk.MessageDialog(parent=self,
flags=Gtk.DialogFlags.MODAL,
type=Gtk.MessageType.ERROR,
buttons=Gtk.ButtonsType.OK,
text=f"Failed to connect to {self.__getTTY()}:\n{e}")
msg.connect("response", lambda w, r: msg.destroy())
msg.show()
return
with self.__changeBlocked:
self.__adjWidget.setRGB(round(r / 0xFFFF * 100),
round(g / 0xFFFF * 100),
round(b / 0xFFFF * 100))
printInfo(f"Connected to {self.__getTTY()}.")
def __on_colorChanged(self, _, mode, r, g, b, h, l, s):
if not self.__comm:
return
if self.__changeBlocked:
return
setValuesTries = 3
while setValuesTries > 0:
try:
if mode == "RGB":
self.__comm.setRGB((round(r / 100 * 0xFFFF),
round(g / 100 * 0xFFFF),
round(b / 100 * 0xFFFF)))
elif mode == "HLS":
self.__comm.setHSL((round(h / 360 * 0xFFFF),
round(s / 100 * 0xFFFF),
round(l / 100 * 0xFFFF)))
else:
assert False
setValuesTries = 0 # done
except SimplePWMError as e:
printError(e)
for i in range(3):
try:
self.__connect()
printInfo("Reconnected.")
setValuesTries -= 1
break
except SimplePWMError:
continue
else:
setValuesTries = 0 # give up
self.__adjWidget.set_sensitive(False)
# vim: ts=4 sw=4 expandtab
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