Class: STFTSpectrogram::GUI

Inherits:
FXMainWindow
  • Object
show all
Defined in:
lib/gui/gui.rb

Overview

User interface

Constant Summary collapse

PLOT_TYPE_SPECTROGRAM = 
1
PLOT_TYPE_TOP_MAGNITUDES = 
2
MIN_WINDOW_WIDTH = 
960
MIN_WINDOW_HEIGHT = 
960

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ GUI

Returns a new instance of GUI.



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# File 'lib/gui/gui.rb', line 17

def initialize(app)
  super(app, 'STFT Spectrogram generator', width: 1280, height: 720,
                                           opts: DECOR_ALL &
                                             ~DECOR_SHRINKABLE)

  @plot = Plot.new

  @audio = nil
  @spectrogram = nil

  vframe1 = FXVerticalFrame.new(self, width: 1280, opts: LAYOUT_FILL)
  hframe1 = FXHorizontalFrame.new(vframe1, opts: LAYOUT_FILL | FRAME_SUNKEN)
  @img_spectrum = FXImageView.new(hframe1, opts: LAYOUT_FILL)

  @current_spec_img = nil

  hframe2 = FXHorizontalFrame.new(vframe1)

  vframe_window = FXVerticalFrame.new(hframe2, opts: LAYOUT_FILL)
  hframe_window_size = FXHorizontalFrame.new(vframe_window,
                                             opts: LAYOUT_RIGHT)
  hframe_window_overlap = FXHorizontalFrame.new(vframe_window,
                                                opts: LAYOUT_RIGHT)
  FXLabel.new(hframe_window_size, 'Window size:')
  @spin_window_size = FXSpinner.new(hframe_window_size, 10)
  @spin_window_size.range = 1..(2**31 - 1)
  @spin_window_size.value = 1
  FXLabel.new(hframe_window_size, 'ms')
  FXLabel.new(hframe_window_overlap, 'Window overlap:')
  @spin_window_overlap = FXSpinner.new(hframe_window_overlap, 10)
  @spin_window_overlap.range = 0..(2**31 - 1)
  FXLabel.new(hframe_window_overlap, 'ms')

  FXVerticalSeparator.new(hframe2)

  vframe_freq = FXVerticalFrame.new(hframe2, opts: LAYOUT_FILL)
  hframe_freq_low = FXHorizontalFrame.new(vframe_freq, opts: LAYOUT_RIGHT)
  hframe_freq_high = FXHorizontalFrame.new(vframe_freq, opts: LAYOUT_RIGHT)
  FXLabel.new(hframe_freq_low, 'Low pass:')
  @spin_freq_low = FXSpinner.new(hframe_freq_low, 10)
  @spin_freq_low.range = 0..(2**31 - 1)
  FXLabel.new(hframe_freq_low, 'Hz')
  FXLabel.new(hframe_freq_high, 'High pass:')
  @spin_freq_high = FXSpinner.new(hframe_freq_high, 10)
  @spin_freq_high.range = 0..(2**31 - 1)
  FXLabel.new(hframe_freq_high, 'Hz')

  FXVerticalSeparator.new(hframe2)

  vframe_wav = FXVerticalFrame.new(hframe2, opts: LAYOUT_FILL)
  hframe_wav_txt = FXHorizontalFrame.new(vframe_wav, opts: LAYOUT_RIGHT)
  hframe_wav_btn = FXHorizontalFrame.new(vframe_wav, opts: LAYOUT_RIGHT)
  FXLabel.new(hframe_wav_txt, 'Loaded wave file:')
  @txt_wav_file = FXTextField.new(hframe_wav_txt, 60,
                                  opts: TEXTFIELD_READONLY)
  btn_wav_open = FXButton.new(hframe_wav_btn, 'Select WAV file')
  btn_wav_open.connect(SEL_COMMAND) { open_wav_file }

  FXVerticalSeparator.new(hframe2)

  vframe_plot = FXVerticalFrame.new(hframe2, opts: LAYOUT_FILL)
  hframe_plot_type = FXHorizontalFrame.new(vframe_plot, opts: LAYOUT_RIGHT)
  hframe_gen_plot = FXHorizontalFrame.new(vframe_plot, opts: LAYOUT_RIGHT)

  @combo_plot_type = FXComboBox.new(hframe_plot_type, 25,
                                    opts: COMBOBOX_STATIC)
  @combo_plot_type.appendItem('Spectrogram', PLOT_TYPE_SPECTROGRAM)
  @combo_plot_type.appendItem('Most significant frequencies only',
                              PLOT_TYPE_TOP_MAGNITUDES)

  btn_plot = FXButton.new(hframe_gen_plot, 'Generate plot')
  btn_plot.connect(SEL_COMMAND) { on_btnplot_pressed }

  FXVerticalSeparator.new(hframe2)

  hframe_save_img = FXHorizontalFrame.new(hframe2, opts: LAYOUT_RIGHT)
  btn_save_img = FXButton.new(hframe_save_img, 'Save graph')
  btn_save_img.connect(SEL_COMMAND) { on_save_graph }

  @spin_window_size.connect(SEL_COMMAND) { on_window_changed }
  @spin_window_overlap.connect(SEL_COMMAND) { on_window_changed }
end

Instance Method Details

#create ⇒ Object 



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# File 'lib/gui/gui.rb', line 100

def create
  super
  show(PLACEMENT_SCREEN)
end