Module: MultimediaParadise::GUI::Gtk::WidgetIncreaseOrDecreaseAudioModule

Includes:
Gtk::BaseModule
Included in:
WidgetIncreaseOrDecreaseAudio
Defined in:
lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb

Constant Summary collapse

NAMESPACE =
#

NAMESPACE

#
inspect
WIDTH =
#

WIDTH

#
'35%'
HEIGHT =
#

HEIGHT

#
'25%'
USE_THIS_FONT =
#

USE_THIS_FONT

#
:hack_20
REGEX_TO_USE_FOR_THE_CURRENT_VOLUME_PERCENTAGE_VALUE =
#

REGEX_TO_USE_FOR_THE_CURRENT_VOLUME_PERCENTAGE_VALUE

See: rubular.com/r/GVsqtxs4eoMgtH

#
/\[(\d+%)\]/

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.[](i = '') ⇒ Object

#

MultimediaParadise::GUI::Gtk::WidgetIncreaseOrDecreaseAudio.new[]

#


297
298
299
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 297

def self.[](i = '')
  new(i)
end

.run ⇒ Object

#

MultimediaParadise::GUI::Gtk::WidgetIncreaseOrDecreaseAudio.run

#


285
286
287
288
289
290
291
292
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 285

def self.run
  require 'gtk_paradise/run'
  _ = MultimediaParadise::GUI::Gtk::WidgetIncreaseOrDecreaseAudio.new(ARGV)
  r = ::Gtk.run
  r << _
  r.set_size_request(_.width?, _.height?)
  r.top_left_then_run
end

Instance Method Details

#connect_skeleton ⇒ Object

#

connect_skeleton

#


127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 127

def connect_skeleton
  # ======================================================================= #
  # Pack these two buttons into a horizontal-hbox next:
  # ======================================================================= #
  # middle_pane = gtk_draggable_vpane
  vbox_left = gtk_vbox
  # ======================================================================= #
  # === eventbox_image_audio_volume_high
  # ======================================================================= #
  eventbox_image_audio_volume_high = gtk_eventbox(image_audio_volume_high)
  eventbox_image_audio_volume_high.clear_background
  eventbox_image_audio_volume_high.css_class('fancy_button')
  eventbox_image_audio_volume_high.on_clicked {
    increase_audio_by_n_percent
  }
  vbox_left.minimal(eventbox_image_audio_volume_high)
  vbox_left.minimal(@array_buttons[0])
  # middle_pane.add(hbox_left)
  vbox_right = gtk_vbox
  # ======================================================================= #
  # === eventbox_image_audio_volume_low
  # ======================================================================= #
  eventbox_image_audio_volume_low = gtk_eventbox(image_audio_volume_low)
  eventbox_image_audio_volume_low.clear_background
  eventbox_image_audio_volume_low.css_class('fancy_button')
  eventbox_image_audio_volume_low.on_clicked {
    decrease_audio_by_n_percent
  }
  vbox_right.minimal(eventbox_image_audio_volume_low)
  vbox_right.minimal(@array_buttons[1])
  # middle_pane.add(hbox_right)
  # middle_pane.position = return_inferred_position
  grid = default_grid
  grid.left(vbox_left)
  grid.middle(vbox_right)
  alignment = gtk_alignment(0.5, 1.0, 1, 1)
  alignment.add(@volume_percentage_label)
  grid.middle(alignment)
  minimal(grid, 2)
  determine_the_current_volume_percentage_value
end

#create_buttons ⇒ Object

#

create_buttons

#


181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 181

def create_buttons
  # === button_increase_audio
  button_increase_audio = gtk_button("_Increase audio by +#{@n_percent_changes}%")
  button_increase_audio.tooltip_markup =
    'Increase the audio by +<b>'+@n_percent_changes.to_s+'%</b>'+
    "\n\nThe command that will be run here is:\n\n  "\
    "<b>#{return_cmd_to_run_for_the_audio_increase}</b>\n"
  button_increase_audio.on_clicked {
    increase_audio_by_n_percent
  }

  button_decrease_audio = gtk_button("_Decrease audio by -#{@n_percent_changes}%")
  button_decrease_audio.tooltip_markup =
    ' Decrease the audio by -<b>'+@n_percent_changes.to_s+'%</b> '+
    "\n\nThe command that will be run here is:\n\n  "\
    "<b>#{return_cmd_to_run_for_the_audio_decrease}</b>\n"
  
  button_decrease_audio.on_clicked {
    decrease_audio_by_n_percent
  }
  
  # ======================================================================= #
  # Style both buttons uniformly.
  # ======================================================================= #
  @array_buttons = [
    button_increase_audio, button_decrease_audio
  ]
  @array_buttons.each {|this_button|
    # this_button.background_colour = :lightblue
    # this_button.hover_colour      = :paleturquoise
    this_button.set_name('button1') # Old CSS rule was: 'BG_paleturquoise_and_black'
    this_button.set_size_request(120, 40)
    this_button.disallow_resizing
  }
end

#create_skeleton ⇒ Object

#

create_skeleton

#


220
221
222
223
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 220

def create_skeleton
  create_buttons
  create_volume_percentage_label
end

#create_volume_percentage_label ⇒ Object

#

create_volume_percentage_label

#


228
229
230
231
232
233
234
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 228

def create_volume_percentage_label
  # ======================================================================= #
  # === @volume_percentage_label
  # ======================================================================= #
  @volume_percentage_label = gtk_label
  @volume_percentage_label.justify = ::Gtk::Justification::CENTER
end

#decrease_audio_by_n_percent ⇒ Object

#

decrease_audio_by_n_percent

#


270
271
272
273
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 270

def decrease_audio_by_n_percent
  system return_cmd_to_run_for_the_audio_decrease
  determine_the_current_volume_percentage_value
end

#determine_the_current_volume_percentage_value ⇒ Object

#

determine_the_current_volume_percentage_value

#


239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 239

def determine_the_current_volume_percentage_value
  result = `amixer sget Master`
  if result.include? "\n"
    result = result.split("\n").last.strip
  end
  # ======================================================================= #
  # result may look like this now:
  #
  #   Mono: Playback 56 [88%] [-8.00dB] [on]
  #
  # ======================================================================= #
  percentage_value = result.scan(
    REGEX_TO_USE_FOR_THE_CURRENT_VOLUME_PERCENTAGE_VALUE
  ).flatten.first
  @volume_percentage_label.set_text(
    percentage_value.to_s.
    rjust(5, ' ')
  )
end

#handle_CSS_rules ⇒ Object

#

handle_CSS_rules (CSS tag)

#


86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 86

def handle_CSS_rules
  use_the_gtk_paradise_css_file
  more_CSS_then_apply_it '
#BG_paleturquoise_and_black {
color:      black;
background: paleturquoise;
}

.fancy_button:hover {
transition: 2000ms linear;
background-color: tomato;
}


'
end

#increase_audio_by_n_percent ⇒ Object

#

increase_audio_by_n_percent

#


262
263
264
265
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 262

def increase_audio_by_n_percent
  system return_cmd_to_run_for_the_audio_increase
  determine_the_current_volume_percentage_value
end

#initialize(commandline_arguments = nil, run_already = true) ⇒ Object

#

initialize

#


50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 50

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  super(:horizontal)
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

#n_percent_changes? ⇒ Boolean Also known as: n_percent?

#

n_percent_changes?

#

Returns:

  • (Boolean) 


106
107
108
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 106

def n_percent_changes?
  @n_percent_changes
end

#reset ⇒ Object

#

reset (reset tag)

#


65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 65

def reset
  reset_the_internal_variables
  # ======================================================================= #
  # === @configuration
  # ======================================================================= #
  @configuration = [true, __dir__, NAMESPACE]
  width_height_font(WIDTH, HEIGHT, USE_THIS_FONT)
  # ======================================================================= #
  # === @n_percent_changes
  #
  # This variable denotes how many steps we may take "up" or "down" when 
  # changing the audio-volume.
  # ======================================================================= #
  @n_percent_changes = 3
  handle_CSS_rules
  infer_the_size_automatically
end

#return_cmd_to_run_for_the_audio_decrease ⇒ Object

#

return_cmd_to_run_for_the_audio_decrease

#


120
121
122
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 120

def return_cmd_to_run_for_the_audio_decrease
  "amixer set Master #{n_percent?}%-"
end

#return_cmd_to_run_for_the_audio_increase ⇒ Object

#

return_cmd_to_run_for_the_audio_increase

#


113
114
115
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 113

def return_cmd_to_run_for_the_audio_increase
  'amixer set Master '+n_percent?.to_s+'%+'
end

#return_inferred_position(use_this_offset = 200) ⇒ Object

#

return_inferred_position

#


172
173
174
175
176
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 172

def return_inferred_position(
    use_this_offset = 200
  )
  (width? / 2)+use_this_offset
end

#run ⇒ Object

#

run (run tag)

#


278
279
280
 
# File 'lib/multimedia_paradise/gui/shared_code/widget_increase_or_decrease_audio/widget_increase_or_decrease_audio_module.rb', line 278

def run
  create_skeleton_then_connect_skeleton
end