Class: Vedeu::Runtime::MainLoop

Inherits:
Object
  • Object
show all
Defined in:
lib/vedeu/runtime/main_loop.rb

Overview

Provides the main loop for a Vedeu application.

Class Method Summary collapse

Class Method Details

.safe_exit_point! ⇒ void

This method returns an undefined value.

Check the application has started and we wish to continue running.

Raises:



55
56
57
 
# File 'lib/vedeu/runtime/main_loop.rb', line 55

def safe_exit_point!
  fail Vedeu::Error::Interrupt if @started && !@loop
end

.start! ⇒ void

This method returns an undefined value.

Start the main loop.

Yield Returns:

  • (void) —

    The client application.



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/vedeu/runtime/main_loop.rb', line 21

def start!
  @started = true
  @loop    = true

  Vedeu.trigger(:_refresh_cursor_, Vedeu.focus)

  while @loop
    Vedeu.refresh

    yield

    safe_exit_point!
  end
rescue Vedeu::Error::Interrupt
  Vedeu.log(message: 'Vedeu execution interrupted, exiting.'.freeze)
end

.stop! ⇒ void

This method returns an undefined value.

Signal that we wish to terminate the running application.



43
44
45
 
# File 'lib/vedeu/runtime/main_loop.rb', line 43

def stop!
  @loop = false
end