Class: Cosmos::RawDialog

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

Direct Known Subclasses

CmdRawDialog, TlmRawDialog

Constant Summary collapse

CMD_TYPE = 
'cmd'
TLM_TYPE = 
'tlm'
PACKET_UPDATE_PERIOD_MS = 
1000
HEADER1 = 
"Address   Data                                             Ascii\n"
HEADER2 = 
"---------------------------------------------------------------------------\n"
HEADER = 
HEADER1 + HEADER2
@@font = 
nil

Instance Method Summary collapse

Methods inherited from Qt::Dialog

#exec

Constructor Details

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

Returns a new instance of RawDialog.



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 31

def initialize(parent, type, target_name, packet_name)
  super(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint)
  raise "RawDialog: Undefined type:#{type}" if type != CMD_TYPE and 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(tr(title))
    text_layout.addWidget(title_label)
    @packet_time = Qt::Label.new("Packet Received Time: ")
    text_layout.addWidget(@packet_time)
    top_layout.addLayout(text_layout)
    top_layout.addStretch(1)

    button = Qt::PushButton.new(tr("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 126

def closeEvent(event)
  super(event)
  if @timer
    @timer.stop
    @timer.dispose
    @timer = nil
  end
  self.dispose
end

#packet_update_timeout ⇒ Object 



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# File 'lib/cosmos/gui/dialogs/cmd_tlm_raw_dialog.rb', line 100

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.received_time
  @packet_time.setText("Received Time: #{packet_time.formatted}") if packet_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 116

def reject
  super()
  if @timer
    @timer.stop
    @timer.dispose
    @timer = nil
  end
  self.dispose
end