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Description

Glimmer DSL for GTK enables building desktop applications with Ruby-GNOME. GTK (aka GIMP-Toolkit or [incorrectly] GNOME-Toolkit) is the premiere desktop GUI toolkit on Linux, which also runs on Mac (Quartz GTK+) and Windows. Glimmer DSL for GTK aims to supercharge productivity and maintainability in developing Ruby-GNOME applications by providing a DSL similar to Glimmer DSL for SWT having a declarative DSL syntax that visually maps to the GUI widget hierarchy, convention over configuration via smart defaults and automation of low-level details, requiring the least amount of syntax possible to build GUI, custom keyword support, bidirectional data-binding to declaratively wire and automatically synchronize GUI with business models, scaffolding for new custom widgets, apps, and gems, and native-executable packaging on Mac, Windows, and Linux.

Programming language: Ruby
License: GNU Lesser General Public License v3.0 only
Tags: GUI     Bindings     Toolkit     Desktop    
Latest version: v0.0.1

Glimmer DSL for GTK alternatives and similar gems

Based on the "GUI" category.
Alternatively, view glimmer-dsl-gtk alternatives based on common mentions on social networks and blogs.

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README

Glimmer DSL for GTK 0.0.1

Ruby-GNOME Desktop Development GUI Library

Gem Version Join the chat at https://gitter.im/AndyObtiva/glimmer

Glimmer DSL for GTK enables building desktop applications with Ruby-GNOME.

GTK (aka GIMP-Toolkit or [incorrectly] GNOME-Toolkit) is the premiere desktop GUI toolkit on Linux, which also runs on Mac (Quartz GTK+) and Windows.

Glimmer DSL for GTK aims to supercharge productivity and maintainability in developing Ruby-GNOME applications by providing a DSL similar to Glimmer DSL for SWT having:

  • Declarative DSL syntax that visually maps to the GUI widget hierarchy
  • Convention over configuration via smart defaults and automation of low-level details
  • Requiring the least amount of syntax possible to build GUI
  • Custom Keyword support
  • Bidirectional Data-Binding to declaratively wire and automatically synchronize GUI with Business Models
  • Scaffolding for new custom widgets, apps, and gems
  • Native-Executable packaging on Mac, Windows, and Linux.

Hello, World!

window {
  title 'Hello, World!'

  label('Hello, World!')
}.show

Mac Screenshot:

hello world screenshot

NOTE: Glimmer DSL for GTK is currently in early alpha mode (incomplete proof-of-concept). Please help make better by contributing, adopting for small or low risk projects, and providing feedback. It is still an early alpha, so the more feedback and issues you report the better.

Other Glimmer DSL gems you might be interested in:

Setup

Option 1: Install

Run this command to install directly:

gem install glimmer-dsl-gtk

Option 2: Bundler

Add the following to Gemfile:

gem 'glimmer-dsl-gtk', '~> 0.0.1'

And, then run:

bundle

Usage

Require the library and mixin the Glimmer module to utilize the Glimmer GUI DSL for GTK:

require 'glimmer-dsl-gtk'

include Glimmer

window {
  title 'Demo'

  on(:destroy) do
    puts 'Bye Bye'
    ::Gtk.main_quit
  end
}.show

For actual application development outside of simple demos, mixin the Glimmer module into an application class instead:

require 'glimmer-dsl-gtk'

class SomeGlimmerApplication
  include Glimmer

  def launch
    application('org.glimmer.hello-application', :flags_none) {
      on(:activate) do |app|
        application_window(app) {
          title 'Actual Application'
        }.present
      end
    }.run
  end
end

SomeGlimmerApplication.new.launch

Glimmer GUI DSL

  • Keywords: All GTK widgets are supported via lowercase underscored names accepting their constructor args (e.g. application_window(app) for Gtk::ApplicationWindow.new(app)). Keywords can be nested under other keywords to represent the true hierarchy of nested widgets on the screen (e.g. window { label('Hello') } is a label nested under a window). Note that widget objects returned are proxies of the GTK widget counterparts. This shields consumers of GTK from its lower-level details via composition (Proxy Design Pattern). To access lower-level GTK widget, simply call #gtk method on widget proxy object (e.g. @w = window {...}; @w.gtk # Gtk::Window widget object).
  • Content: widget keywords can have a block of content that could contain nested widget keywords, properties, and signals. The block can optionally receive one argument representing the widget (e.g. window {|w| ... }):
    • Properties: All GTK widget properties can be set via lowercase underscored names (without the 'set_' prefix) nested under widget keywords (e.g. window {title 'Hello, World'} sets title property of window)
    • Signals: All GTK signals can be wired with on(signal) { ... } syntax (e.g. on(:activate) { do_something })

Girb (Glimmer IRB)

You can run the girb command (bin/girb if you cloned the project locally):

girb

girb screenshot

This gives you irb with the glimmer-dsl-gtk gem loaded and the Glimmer module mixed into the main object for easy experimentation with GUI.

Gotcha: On the Mac, when you close a window opened in girb, it remains open until you enter exit or open another GUI window.

Samples

Hello Samples

Hello, World!

samples/hello/hello_world.rb

Mac Screenshot:

hello world screenshot

Run (via installed gem):

ruby -r glimmer-dsl-gtk -e "require 'samples/hello/hello_world'"

Run (via locally cloned project):

ruby -r ./lib/glimmer-dsl-gtk.rb samples/hello/hello_world.rb

Code:

window {
  title 'Hello, World!'

  label('Hello, World!')
}.show

Hello, Application!

samples/hello/hello_application.rb

Mac Screenshot:

hello application screenshot

Run (via installed gem):

ruby -r glimmer-dsl-gtk -e "require 'samples/hello/hello_application'"

Run (via locally cloned project):

ruby -r ./lib/glimmer-dsl-gtk.rb samples/hello/hello_application.rb

Code:

require 'glimmer-dsl-gtk'

include Glimmer

application('org.glimmer.hello-application', :flags_none) {
  on(:activate) do |app|
    application_window(app) {
      title 'Hello, Application!'
    }.present
  end
}.run

Hello, Button!

samples/hello/hello_button.rb

Mac Screenshot:

hello button screenshot

hello button clicked screenshot

Run (via installed gem):

ruby -r glimmer-dsl-gtk -e "require 'samples/hello/hello_button'"

Run (via locally cloned project):

ruby -r ./lib/glimmer-dsl-gtk.rb samples/hello/hello_button.rb

Code:

require 'glimmer-dsl-gtk'

include Glimmer

window { |w|
  title 'Hello, Button!'

  button('Button') {
    on(:clicked) do
      message_dialog(w) { |md|
        title 'Information'
        text 'You clicked the button'

        on(:response) do
          md.destroy
        end
      }.show
    end
  }
}.show

Hello, Entry!

samples/hello/hello_entry.rb

Mac Screenshot:

hello entry screenshot

hello entry submitted screenshot

Run (via installed gem):

ruby -r glimmer-dsl-gtk -e "require 'samples/hello/hello_entry'"

Run (via locally cloned project):

ruby -r ./lib/glimmer-dsl-gtk.rb samples/hello/hello_entry.rb

Code:

require 'glimmer-dsl-gtk'

include Glimmer

window { |w|
  title 'Hello, Entry!'
  default_size 300, 50

  box(:vertical) {
    e = entry {
      on(:changed) do
        puts e.text
        $stdout.flush # For Windows
      end
    }

    button('Button') {
      on(:clicked) do
        message_dialog(w) { |md|
          title 'You entered'
          text e.text

          on(:response) do
            md.destroy
          end
        }.show
      end
    }
  }
}.show

Contributing

  • Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet.
  • Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it.
  • Fork the project.
  • Start a feature/bugfix branch.
  • Commit and push until you are happy with your contribution.
  • Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
  • Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.

Planned Features and Feature Suggestions

These features have been planned or suggested. You might see them in a future version of Glimmer DSL for GTK. You are welcome to contribute more feature suggestions.

[TODO.md](TODO.md)

Change Log

[CHANGELOG.md](CHANGELOG.md)

Contributors

Click here to view contributor commits.

Copyright

[MIT](LICENSE.txt)

Copyright (c) 2021 Andy Maleh.

--

Built for Glimmer (DSL Framework).


*Note that all licence references and agreements mentioned in the Glimmer DSL for GTK README section above are relevant to that project's source code only.