def __init__(self, baud_rate, *args, **kwargs):
self.selected_port = ''
self.baud_rate = baud_rate
self.builder = Gtk.Builder()
my_dir = os.path.dirname(__file__)
self.builder.add_from_file(os.path.join(my_dir, "PyxbMainWin.glade"))
self.win = self.builder.get_object("PyxbMainWin")
"top-level widget for whole window"
self.close_btn = self.builder.get_object("btnClose")
assert isinstance(self.close_btn, Gtk.Button)
self.ports_list = self.builder.get_object("liststore1")
"model for device list"
assert isinstance(self.ports_list, Gtk.TreeModel)
self.ports_view = self._init_ports_view()
"view for device list"
assert isinstance(self.ports_view, Gtk.TreeView)
self.chkSerial = self.builder.get_object("chkSerial")
assert isinstance(self.chkSerial, Gtk.ToggleButton)
self.chkUSB = self.builder.get_object("chkUSB")
assert isinstance(self.chkUSB, Gtk.ToggleButton)
self.chooser = GtkPortChooser(self.ports_list, self.ports_view,
self.chkSerial,
self.chkUSB,
self)
self.chooser.updateList()
self.stg_notebook = self.builder.get_object("settings_notebook")
assert isinstance(self.stg_notebook, Gtk.Notebook)
self.page1_child = self.builder.get_object("stg_pg1_child")
assert isinstance(self.page1_child, Gtk.Grid)
self.page2_child = self._add_new_notebook_page("Network1")
self.page3_child = self._add_new_notebook_page("Network2")
self.text_view = self.builder.get_object("textview1")
"Text output box"
assert isinstance(self.text_view, Gtk.TextView)
#make the standard close box for window work
#for some reason bad things happen if we try do this with handlers dict below
self.win.connect("delete-event", Gtk.main_quit)
#connect action handlers to code objects
handlers = {
#close button
"onCloseAction": Gtk.main_quit,
#toggle checkbox on device listing
"onSerialToggled": self.chooser.onSerialToggled,
"onUSBToggled": self.chooser.onUSBToggled,
#pick a specific device
"onSelectDevice": self.chooser.onPortChosen,
}
self.builder.connect_signals(handlers)
self.chooser.updateList()
buff = self.text_view.get_buffer()
buff.insert_at_cursor("{}.{}.{}".format(Gtk.get_major_version(), Gtk.get_minor_version(), Gtk.get_micro_version()))
self.win.show_all()
class PyxbMainWin(object):
TIMEOUT=2 #seconds
"Timeout for serial reads"
def __init__(self, baud_rate, *args, **kwargs):
self.selected_port = ''
self.baud_rate = baud_rate
self.builder = Gtk.Builder()
my_dir = os.path.dirname(__file__)
self.builder.add_from_file(os.path.join(my_dir, "PyxbMainWin.glade"))
self.win = self.builder.get_object("PyxbMainWin")
"top-level widget for whole window"
self.close_btn = self.builder.get_object("btnClose")
assert isinstance(self.close_btn, Gtk.Button)
self.ports_list = self.builder.get_object("liststore1")
"model for device list"
assert isinstance(self.ports_list, Gtk.TreeModel)
self.ports_view = self._init_ports_view()
"view for device list"
assert isinstance(self.ports_view, Gtk.TreeView)
self.chkSerial = self.builder.get_object("chkSerial")
assert isinstance(self.chkSerial, Gtk.ToggleButton)
self.chkUSB = self.builder.get_object("chkUSB")
assert isinstance(self.chkUSB, Gtk.ToggleButton)
self.chooser = GtkPortChooser(self.ports_list, self.ports_view,
self.chkSerial,
self.chkUSB,
self)
self.chooser.updateList()
self.stg_notebook = self.builder.get_object("settings_notebook")
assert isinstance(self.stg_notebook, Gtk.Notebook)
self.page1_child = self.builder.get_object("stg_pg1_child")
assert isinstance(self.page1_child, Gtk.Grid)
self.page2_child = self._add_new_notebook_page("Network1")
self.page3_child = self._add_new_notebook_page("Network2")
self.text_view = self.builder.get_object("textview1")
"Text output box"
assert isinstance(self.text_view, Gtk.TextView)
#make the standard close box for window work
#for some reason bad things happen if we try do this with handlers dict below
self.win.connect("delete-event", Gtk.main_quit)
#connect action handlers to code objects
handlers = {
#close button
"onCloseAction": Gtk.main_quit,
#toggle checkbox on device listing
"onSerialToggled": self.chooser.onSerialToggled,
"onUSBToggled": self.chooser.onUSBToggled,
#pick a specific device
"onSelectDevice": self.chooser.onPortChosen,
}
self.builder.connect_signals(handlers)
self.chooser.updateList()
buff = self.text_view.get_buffer()
buff.insert_at_cursor("{}.{}.{}".format(Gtk.get_major_version(), Gtk.get_minor_version(), Gtk.get_micro_version()))
self.win.show_all()
def _init_ports_view(self):
"""Sets up columns, etc. for Treeview to list ports.
Returns
-------
Gtk.TreeView object with appropriate column, renderer, etc.
"""
ports_view = self.builder.get_object("dev_list_tview")
renderer = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(None, renderer, text=0)
#the following is REQUIRED to display ports
column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
column.set_widget(None) # no header
ports_view.append_column(column)
return ports_view
def _add_new_notebook_page(self, page_label):
"""Add an additional page to the settings notebook, with label `page_label`.
Parameters
----------
pae_label : string to set label for tab
Returns
-------
Gtk.Widget which is first child of new page.
"""
notebook_page = Gtk.Grid(orientation=Gtk.Orientation.VERTICAL)
self.stg_notebook.append_page(notebook_page, Gtk.Label(page_label))
notebook_page.set_property("row-homogeneous", False)
return notebook_page
def onPortSelected(self, port):
self.setup_notebook_pages()
def setup_notebook_pages(self):
self.selected_port = self.chooser.selectedPort
print("setup_notebook_pages(): selected port is " + self.selected_port)
if not self.selected_port:
for page in (self.page1_child, self.page2_child, self.page3_child):
for child in page.get_children():
page.remove(child)
else:
def ui_work(self):
"""Local procedure to actually do the work of updating the user interface.
We make this a procedure and use GObject.idle_add() to allow the window to
set the cursor to a "watch" while the work is done.
"""
try:
for child in self.page1_child.get_children():
self.page1_child.remove(child)
self.p1_panel = BasicSettingContents(self.selected_port,
self.page1_child,
self.baud_rate
)
for child in self.page2_child.get_children():
self.page2_child.remove(child)
self.p2_panel = Network1SettingContents(self.selected_port,
self.page2_child,
self.baud_rate)
for child in self.page3_child.get_children():
self.page3_child.remove(child)
self.p3_panel = Network2SettingContents(self.selected_port,
self.page3_child,
self.baud_rate)
except (SerialException, ReadException) as err:
buff = self.text_view.get_buffer()
buff.insert_at_cursor("{}: {}\n".format(self.selected_port,
str(err)))
finally:
self.win.show_all()
self.win.get_window().set_cursor(None)
top_gdk_window = self.win.get_window()
#Not working??
watch = Gdk.Cursor(Gdk.CursorType.WATCH)
top_gdk_window.set_cursor(watch)
GObject.idle_add(ui_work, self)
