Class: Cosmos::RawDialog

Inherits:
Qt::Dialog
  • Object
show all
Defined in:
lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb

Overview

Creates a dialog showing a packet formatted as a binary hex dump

Direct Known Subclasses

CmdRawDialog, TlmRawDialog

Constant Summary collapse

CMD_TYPE =

Constant to indicate a command packet dump

'cmd'
TLM_TYPE =

Constant to indicate a telemetry packet dump

'tlm'
PACKET_UPDATE_PERIOD_MS =

Dialog update period

1000
HEADER =

Header string to display over the dump

"Address   Data                                             Ascii\n"\
"---------------------------------------------------------------------------\n"
@@font =

Returns Font to display the dialog dump (should be monospaced).

Returns:

  • (Qt::Font) —

    Font to display the dialog dump (should be monospaced)

nil

Instance Method Summary collapse

Constructor Details

#initialize(parent, type, target_name, packet_name) ⇒ RawDialog

Returns a new instance of RawDialog.

Parameters:

  • parent (Qt::Dialog) —

    Parent for the dialog

  • type (String) —

    Dialog type which must be 'cmd' or 'tlm'

  • target_name (String) —

    Name of the target

  • packet_name (String) —

    Name of the packet



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 39

def initialize(parent, type, target_name, packet_name)
  super(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint)
  raise "RawDialog: Undefined type:#{type}" if (type != CMD_TYPE) && (type != TLM_TYPE)

  @type = type
  @done = false
  @target_name = target_name
  @packet_name = packet_name

  begin
    if @type == CMD_TYPE
      title = "Raw Command Packet: #{target_name} #{packet_name}"
    else
      title = "Raw Telemetry Packet: #{target_name} #{packet_name}"
    end
    setWindowTitle(title)

    @timer = Qt::Timer.new

    overall_layout = Qt::VBoxLayout.new
    top_layout = Qt::HBoxLayout.new
    text_layout = Qt::VBoxLayout.new

    title_label = Qt::Label.new(title)
    text_layout.addWidget(title_label)
    @packet_time = Qt::Label.new("Packet Time: ")
    text_layout.addWidget(@packet_time)
    @received_time = Qt::Label.new("Received Time: ")
    text_layout.addWidget(@received_time)
    top_layout.addLayout(text_layout)
    top_layout.addStretch(1)

    button = Qt::PushButton.new("Pause")
    top_layout.addWidget(button)
    button.connect(SIGNAL('clicked()')) do
      if button.text == "Pause"
        button.setText("Resume")
        @timer.method_missing(:stop)
      else
        button.setText("Pause")
        @timer.method_missing(:start, PACKET_UPDATE_PERIOD_MS)
      end
    end
    overall_layout.addLayout(top_layout)

    @packet_data = Qt::PlainTextEdit.new
    @packet_data.setReadOnly(true)
    @packet_data.setWordWrapMode(Qt::TextOption::NoWrap)
    overall_layout.addWidget(@packet_data)
    if Kernel.is_windows?
      @@font = Cosmos.getFont('Courier', 10) unless @@font
    else
      @@font = Cosmos.getFont('Courier', 14) unless @@font
    end
    @format = @packet_data.currentCharFormat()
    @format.setFont(@@font)
    @packet_data.setCurrentCharFormat(@format)

    connect(@timer, SIGNAL('timeout()'), self, SLOT('packet_update_timeout()'))
    @timer.method_missing(:start, PACKET_UPDATE_PERIOD_MS)
    packet_update_timeout()

    self.setLayout(overall_layout)
    self.resize(700, 280)
    self.show
    self.raise
  rescue DRb::DRbConnError
    # Just do nothing
  end
end

Instance Method Details

#closeEvent(event) ⇒ Object 



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 135

def closeEvent(event)
  super(event)
  stop_timer if @timer
  self.dispose
end

#packet_update_timeout ⇒ Object

Callback to get the latest packet and update the dialog



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 111

def packet_update_timeout
  if (@type == CMD_TYPE)
    packet = System.commands.packet(@target_name, @packet_name)
  else
    packet = System.telemetry.packet(@target_name, @packet_name)
  end
  packet_data = packet.buffer
  packet_time = packet.packet_time
  @packet_time.setText("Packet Time: #{packet_time.formatted}") if packet_time
  received_time = packet.received_time
  @received_time.setText("Received Time: #{received_time.formatted}") if received_time
  position_x = @packet_data.horizontalScrollBar.value
  position_y = @packet_data.verticalScrollBar.value
  @packet_data.setPlainText(HEADER + packet_data.formatted)
  @packet_data.horizontalScrollBar.setValue(position_x)
  @packet_data.verticalScrollBar.setValue(position_y)
end

#reject ⇒ Object 



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 129

def reject
  super()
  stop_timer if @timer
  self.dispose
end

#stop_timer ⇒ Object 



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 141

def stop_timer
  @timer.stop
  @timer.dispose
  @timer = nil
end