Class: Roebe::GUI::UniversalWidgets::ViewImage

Inherits:
Base
  • Object
show all
Includes:
UniversalWidgets::BaseModule
Defined in:
lib/roebe/gui/universal_widgets/view_image/view_image.rb

Overview

Roebe::GUI::UniversalWidgets::ViewImage

Constant Summary collapse

TITLE =
#

TITLE

#
'View Image'
WIDTH =
#

WIDTH

#
'42% or minimum 480px'
HEIGHT =
#

HEIGHT

#
'30% or minimum 300px'
USE_THIS_FONT =
#

USE_THIS_FONT

#
:hack_20
LARGER_FONT =
#

LARGER_FONT

#
:hack_24
SMALLER_FONT =
#

SMALLER_FONT

#
:hack_16
DEFAULT_IMAGE =
#

DEFAULT_IMAGE

#
'/home/x/data/images/universities/STEOP.png'

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #exit_program, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #ogrey, #olive, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #show_help, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments

Constructor Details

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

#

initialize

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 65

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  @use_this_as_path_for_the_image = DEFAULT_IMAGE # Set a default very early on.
  first = commandline_arguments.first
  if first and !first.empty? and File.file?(first)
    @use_this_as_path_for_the_image = first
    if commandline_arguments.size == 1
      commandline_arguments = nil # Reset it here then.
    end
  end
  super(:vertical) if use_gtk3?
  determine_the_GUI_to_be_used(commandline_arguments) # This must come first, even before reset().
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  
  run if run_already
end

Class Method Details

.[](i = ARGV) ⇒ Object

#

Roebe::GUI::UniversalWidgets::ViewImage[]

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 218

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

.run(i = ARGV) ⇒ Object

#

Roebe::GUI::Gtk::ViewImage.run

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 203

def self.run(
    i = ARGV
  )
  require 'gtk_paradise/run'
  _ = ::Roebe::GUI::Gtk::ViewImage.new(i)
  r = ::Gtk.run
  r << _
  r.automatic_size
  r.automatic_title
  r.top_left_then_run
end

Instance Method Details

#border_size? ⇒ Boolean

#

border_size?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 153

def border_size?
  2
end

#connect_the_skeleton ⇒ Object

#

connect_the_skeleton (connect tag)

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 160

def connect_the_skeleton
  abort_on_exception

  outer_vbox = create_vbox

  hbox = create_hbox
  hbox.minimal(@image_widget)
  hbox.horizontal_center

  outer_vbox.minimal(hbox)
  entry1 = create_entry
  entry1.set_text(default_path?)
  entry1.use_this_font = smaller_font?
  outer_vbox.minimal(entry1)

  window = create_window_or_runner(nil, width?, height?, title?)
  window << outer_vbox

  properly_prepare_this_window(window,
    {
      title:       title?,
      font:        font?,
      width:       width?,
      height:      height?,
      padding:     padding?,
      border_size: border_size?
    }
  )
  window.show_all
  window.top_left
  run_main
end

#create_the_image_widget ⇒ Object

#

create_the_image_widget

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 139

def create_the_image_widget
  @image_widget = create_image(@use_this_as_path_for_the_image)
end

#create_the_skeleton ⇒ Object Also known as: create_skeleton

#

create_skeleton (create tag, skeleton tag)

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 132

def create_the_skeleton
  create_the_image_widget
end

#default_image? ⇒ Boolean Also known as: default_path?

#

default_image?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 125

def default_image?
  DEFAULT_IMAGE
end

#padding? ⇒ Boolean

#

padding?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 146

def padding?
  0
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 90

def reset
  super() if respond_to?(:super)
  reset_the_base_module
  reset_the_internal_variables
  infer_the_namespace
  # ======================================================================= #
  # === @configuration
  # ======================================================================= #
  @configuration = [true, __dir__, namespace?]
  # ======================================================================= #
  # === Set the title, width, height and the font in use.
  # ======================================================================= #
  title_width_height_font(TITLE, WIDTH, HEIGHT, USE_THIS_FONT)
  if use_gtk3?
    use_gtk_paradise_project_css_file
  end  
  infer_the_size_automatically
end

#reset_the_shared_module ⇒ Object

#

reset_the_shared_module

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 119

def reset_the_shared_module
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 196

def run
  run_super
end

#smaller_font? ⇒ Boolean

#

smaller_font?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/gui/universal_widgets/view_image/view_image.rb', line 112

def smaller_font?
  SMALLER_FONT
end