def __init__(self): #the __init__ method inside a class is its constructor
self.Text = "AU London" #text that appears in the GUI titlebar
self.Icon = Icon.FromHandle(
icon.GetHicon()
) #takes a bitmap image and converts to a file that can be used as a Icon for the titlebar
self.BackColor = Color.FromArgb(255, 255, 255)
self.WindowState = FormWindowState.Normal # set maximised minimised or normal size GUI
self.CenterToScreen() # centres GUI to the middle of your screen
self.BringToFront() #brings the GUI to the front of all opens windows.
self.Topmost = True # true to display the GUI infront of any other active forms
screenSize = Screen.GetWorkingArea(
self
) #get the size of the computers main screen, as the form will scale differently to different sized screens
self.Width = screenSize.Width / 4 #set the size of the form based on the size of the users screen. this helps to ensure consistant look across different res screens.
self.Height = screenSize.Height / 4
uiWidth = self.DisplayRectangle.Width #get the size of the form to use to scale form elements
uiHeight = self.DisplayRectangle.Height
#self.FormBorderStyle = FormBorderStyle.FixedDialog # fixed dialog stops the user from adjusting the form size. Recomended disabling this when testing to see if elements are in the wrong place.
self.userOutput = userOutputDefaultStr #create a container to store the output from the form
self.runNextOutput = False #set these default values
#############-------------\-------------#############
spacing = 10 #spacing size for GUI elements to form a consistent border
# creates the text box for a info message
userMessage = Label() #label displays texts
font = Font("Helvetica ", 10)
userMessage.Text = message
userMessage.Font = font
userMessage.Location = Point(
spacing, spacing
) #all location require a point object from system.Drawing to set the location.
userMessage.Size = Size(
uiWidth - (spacing * 2), (uiHeight / 4)
) #size the control with the width of the GUI to ensure it scales with different screen
self.Controls.Add(userMessage) #this adds control element to the GUI
#############-------------\-------------#############
#logo file
logo = PictureBox()
logo.Image = logoFile
ratio = float(logo.Height) / float(
logo.Width
) #needs to be a float as int will round to the nearest whole number
logo.Size = Size(
uiWidth / 4, (uiHeight / 4) * ratio
) #scale the image by the ratio between the images height & width
logo.Location = Point(spacing, (uiHeight - logo.Height) - spacing)
logo.SizeMode = PictureBoxSizeMode.Zoom # zooms the image to fit the extent
logo.Anchor = (
AnchorStyles.Bottom | AnchorStyles.Left
) #anchor styles lock elements to a given corner of the GUI if you allow users change size
self.Controls.Add(logo)
#logo.BorderStyle = BorderStyle.Fixed3D #gives a border to the panel to test its location
#############-------------\-------------#############
#combox drop down
cBox = ComboBox() #dropdown control form
cBox.Location = Point(spacing, uiHeight / 3)
cBox.Width = uiWidth - (spacing * 2)
cBox.Items.AddRange(
listInput
) # Adds an array of items to the list of items for a ComboBox.
cBox.DropDownStyle = ComboBoxStyle.DropDownList #setting to dropdown list prevents users from being able to add aditional text values
cBox.SelectedIndexChanged += self.dropDownOutput #.Click+= registers the press of the button to register the event handler and determine what action takes place when button clicked
self.Controls.Add(cBox)
#############-------------\-------------#############
#Create ok button
btnOk = Button() #create a button control
btnOk.Text = "Next"
btnOk.Location = Point(uiWidth - ((btnOk.Width * 2) + spacing),
uiHeight - (btnOk.Height + spacing))
btnOk.Anchor = (AnchorStyles.Bottom | AnchorStyles.Right)
btnOk.Click += self.okButtonPressed #Register the event on the button bress to trigger the def okButtonPressed
self.Controls.Add(btnOk)
#Create Cancel Button
btnCancel = Button()
#btnCancel.Parent = self
btnCancel.Text = "Cancel"
btnCancel.Location = Point(uiWidth - (btnOk.Width + spacing),
uiHeight - (btnOk.Height + spacing))
btnCancel.Anchor = (AnchorStyles.Bottom | AnchorStyles.Right)
btnCancel.Click += self.CnlButtonPressed
self.Controls.Add(btnCancel)
def __init__(self):
self.received_messages = {}
self.msg_ids = {}
self.config = None
self.num_messages = DEFAULT_NUM_MESSAGES
if path.exists(CONFIG_FILENAME):
print('Reading config...')
self.config = open(CONFIG_FILENAME, 'r').readlines()
for x in range(len(self.config)):
self.config[x] = self.config[x].strip('\n')
self.num_messages = int(self.config[0].split(',')[0])
# we subscribe to every possible MAVLink message here
# super inefficient, but much easier to just collect 'em all!
for attr_name in dir(MAVLink.MAVLINK_MSG_ID):
if attr_name.upper() == attr_name:
attr = getattr(MAVLink.MAVLINK_MSG_ID, attr_name)
self.msg_ids[attr.value__] = attr
MAV.SubscribeToPacketType(
attr, Func[MAVLink.MAVLinkMessage,
bool](self.get_message_data))
MAV.OnPacketReceived += self.packet_handler
self.Text = 'MAVLink MinMonitor'
self.Location = Point(0, 0)
self.TopMost = True
self.BackColor = CustomColor.MPDarkGray
self.ForeColor = CustomColor.White
self.Shown += self.on_load
self.FormClosing += self.on_exit
self.margin = 5
start_x, start_y = 12, 10
self.msg_widgets = []
for x in range(self.num_messages):
cbo_msg_id = ComboBox()
cbo_msg_id.Width = 175
cbo_msg_id.DropDownStyle = ComboBoxStyle.DropDown
cbo_msg_id.FlatStyle = FlatStyle.Flat
cbo_msg_id.BackColor = CustomColor.MPLightGray
cbo_msg_id.ForeColor = CustomColor.White
cbo_msg_id.DataSource = self.received_messages.keys()
cbo_msg_id.MouseDown += self.update_message_ids
cbo_msg_id.SelectionChangeCommitted += self.update_datasource
cbo_msg_id.Text = ''
cbo_msg_dataframes = ComboBox()
cbo_msg_dataframes.Width = 120
cbo_msg_dataframes.DropDownStyle = ComboBoxStyle.DropDown
cbo_msg_dataframes.FlatStyle = FlatStyle.Flat
cbo_msg_dataframes.BackColor = CustomColor.MPLightGray
cbo_msg_dataframes.ForeColor = CustomColor.White
cbo_msg_dataframes.Text = ''
lbl_data = Label()
lbl_data.Text = 'NO DATA'
lbl_data.BackColor = CustomColor.MPMediumGray
lbl_data.Width = 120
lbl_data.Height = cbo_msg_id.Height - 5
txt_min = TextBox()
txt_min.Width = 75
txt_min.BorderStyle = BorderStyle.FixedSingle
txt_min.BackColor = CustomColor.MPLightGray
txt_min.ForeColor = CustomColor.White
txt_min.MaxLength = 10
txt_min.TextAlign = HorizontalAlignment.Center
txt_min.KeyPress += self.limit_to_decimal_digits
txt_max = TextBox()
txt_max.Width = 75
txt_max.BorderStyle = BorderStyle.FixedSingle
txt_max.BackColor = CustomColor.MPLightGray
txt_max.ForeColor = CustomColor.White
txt_max.MaxLength = 10
txt_max.TextAlign = HorizontalAlignment.Center
txt_max.KeyPress += self.limit_to_decimal_digits
txt_factor = TextBox()
txt_factor.Width = 75
txt_factor.BorderStyle = BorderStyle.FixedSingle
txt_factor.BackColor = CustomColor.MPLightGray
txt_factor.ForeColor = CustomColor.White
txt_factor.MaxLength = 10
txt_factor.TextAlign = HorizontalAlignment.Center
txt_factor.KeyPress += self.limit_to_decimal_digits
self.msg_widgets.append(
OrderedDict([('cbo_msg_id', cbo_msg_id),
('cbo_msg_dataframes', cbo_msg_dataframes),
('lbl_data', lbl_data), ('txt_min', txt_min),
('txt_max', txt_max),
('txt_factor', txt_factor)]))
self.lbl_min = Label()
self.lbl_min.Text = 'Min'
self.lbl_min.BackColor = CustomColor.MPDarkGray
self.lbl_min.Width = self.msg_widgets[0]['txt_min'].Width
self.lbl_min.Height = self.msg_widgets[0]['txt_min'].Height - 5
self.lbl_max = Label()
self.lbl_max.Text = 'Max'
self.lbl_max.BackColor = CustomColor.MPDarkGray
self.lbl_max.Width = self.msg_widgets[0]['txt_max'].Width
self.lbl_max.Height = self.msg_widgets[0]['txt_max'].Height - 5
self.lbl_factor = Label()
self.lbl_factor.Text = 'Factor'
self.lbl_factor.BackColor = CustomColor.MPDarkGray
self.lbl_factor.Width = self.msg_widgets[0]['txt_factor'].Width
self.lbl_factor.Height = self.msg_widgets[0]['txt_factor'].Height - 5
self.lbl_num_messages = Label()
self.lbl_num_messages.Text = 'Number of messages to monitor (restart to take effect)'
self.lbl_num_messages.BackColor = CustomColor.MPDarkGray
self.lbl_num_messages.AutoSize = True
self.spn_num_messages = NumericUpDown()
self.spn_num_messages.Width = 40
self.spn_num_messages.BorderStyle = BorderStyle.FixedSingle
self.spn_num_messages.BackColor = CustomColor.MPLightGray
self.spn_num_messages.ForeColor = CustomColor.White
self.spn_num_messages.Value = self.num_messages
self.chk_hide_factors = CheckBox()
self.chk_hide_factors.FlatAppearance.BorderSize = 1
self.chk_hide_factors.FlatAppearance.BorderColor = CustomColor.MPLightGray
self.chk_hide_factors.Text = 'Hide threshold/scaling preferences'
self.chk_hide_factors.AutoSize = True
self.chk_sticky = CheckBox()
self.chk_sticky.FlatAppearance.BorderSize = 1
self.chk_sticky.FlatAppearance.BorderColor = CustomColor.MPLightGray
self.chk_sticky.Text = 'Always on top'
self.chk_sticky.AutoSize = True
self.lbl_status = Label()
self.lbl_status.Text = 'No messages received'
self.lbl_status.BackColor = CustomColor.MPMediumGray
self.lbl_status.Height = self.msg_widgets[0]['txt_min'].Height - 5
# pseudo-responsive form layout
x, y = start_x, start_y
max_x = 0
x = start_x + (self.msg_widgets[0]['cbo_msg_id'].Width +
self.msg_widgets[0]['cbo_msg_dataframes'].Width +
self.msg_widgets[0]['lbl_data'].Width) + self.margin * 4
x, y, x_extent = \
self.add_control_horizontal(self.lbl_min, x, y, self.margin)
x, y, x_extent = \
self.add_control_horizontal(self.lbl_max, x, y, self.margin)
x, y, x_extent = \
self.add_control_vertical(self.lbl_factor, x, y, self.margin)
for widget in self.msg_widgets:
x = start_x
for control in widget.items():
x, y, x_extent = self.add_control_horizontal(
control[1], x, y, self.margin)
max_x = max([x_extent, max_x])
y += widget.items()[0][1].Height + self.margin
self.Width = max_x + self.margin * 4
self.WideWidth = self.Width
self.NarrowWidth = self.msg_widgets[0]['lbl_data'].Location.X + \
self.msg_widgets[0]['lbl_data'].Width + self.margin * 5
y += 20
x, y, x_extent = self.add_control_horizontal(self.spn_num_messages,
start_x, y, self.margin)
x, y, x_extent = self.add_control_vertical(self.lbl_num_messages, x,
y + 3, self.margin)
x, y, x_extent = self.add_control_vertical(self.chk_hide_factors,
start_x + 3, y + 5,
self.margin)
x, y, x_extent = self.add_control_vertical(self.chk_sticky, x, y,
self.margin)
self.lbl_status.Width = self.Width - self.margin * 7
x, y, x_extent = self.add_control_vertical(self.lbl_status, start_x,
y + 3, self.margin)
self.Height = y + self.lbl_status.Height + self.margin * 5