151 lines
3.3 KiB
Ruby
151 lines
3.3 KiB
Ruby
require 'dbus'
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module ProgressBar
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def self.new *a
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if STDERR.tty?
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Console.new *a
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elsif 'KDE' == ENV['XDG_CURRENT_DESKTOP']
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KDialog.new *a
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else
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KDialog.new *a
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end
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end
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end
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class ProgressBar::Base
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attr_reader :max, :i, :text, :error
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attr_accessor :start
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def initialize max = nil, text = nil
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@start, @max, @i, @text, @error = Time.now, max || 100, 0, text || '', nil
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at_exit {finish}
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end
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def i= x
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@i = x.to_i
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change_progress
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end
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def max= val
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@max = val
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change_progress
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end
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def increment!( x = nil) self.i += (x || 1) end
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alias to_i i
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alias inc! increment!
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def done_rel() 100.0*i/max end
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def done_dur() Time.now-@start end
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def total_dur
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done_dur * max / i
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end
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def text= x
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@text = x
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change_text
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end
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def error= x
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@error = x
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change_error
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end
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def change_progress() end
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def change_text() end
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def change_error() end
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def finish() end
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end
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class ProgressBar::Console < ProgressBar::Base
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def initialize *a
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super *a
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change_text
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end
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def format_time t
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if t.finite?
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sprintf "%02d:%02d:%02d", t/3600, t/60 % 3600, t % 60
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else
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"--:--:--"
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end
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end
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def change_text
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l = [[100.0*i/max, 0].max, 100].min.to_i
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dd, td = done_dur, total_dur
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b = ?= * l
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b[-1] = ?> unless 0 == l or 100 == l
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STDOUT.printf "\r\e[J%s / %s [%-*s] %s", format_time(dd), format_time(td), 100, b, text
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end
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alias change_progress change_text
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def change_error
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STDERR.printf "\r\e[J%s\n", error
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change_text
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end
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def finish
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STDERR.puts
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end
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end
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class ProgressBar::KDialog < ProgressBar::Base
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attr_reader :dialog_service_path, :dialog_object_path, :errors, :dialog_object
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def initialize max, text = nil, title = nil
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super max, text
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text = @text
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text = nil if text.nil? or text.empty?
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title = nil if title.nil? or title.empty?
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@errors = []
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args = ['kdialog', *(title ? ['--title', title] : []), '--progressbar', text || '.', max.to_s]
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@dialog_service_path, @dialog_object_path = IO.popen( args, 'r', &:readlines).join("\n").split ' '
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@dialog_bus = DBus.session_bus
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@dialog_service = @dialog_bus[@dialog_service_path]
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@dialog_object = @dialog_service.object @dialog_object_path
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@dialog_object.introspect
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@dialog_object.showCancelButton true
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change_text if text.nil?
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change_progress
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rescue DBus::Error
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raise Interrupt if $!.name == 'org.freedesktop.DBus.Error.ServiceUnknown'
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raise
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end
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def self.kdialog *a
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windowid = ENV['WINDOWID']
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windowid = (windowid.is_a?(String) && !windowid.empty?) ? ['--attach', windowid] : []
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system 'kdialog', *windowid, *a
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end
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def kdialog(*a) self.class.kdialog *a end
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def change_progress()
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@dialog_object.Set '', 'value', i
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raise Interrupt if @dialog_object.wasCancelled.first
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rescue DBus::Error
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raise Interrupt if $!.name == 'org.freedesktop.DBus.Error.ServiceUnknown'
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raise
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end
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def change_text()
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@dialog_object.setLabelText text
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raise Interrupt if @dialog_object.wasCancelled.first
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rescue DBus::Error
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raise Interrupt if $!.name == 'org.freedesktop.DBus.Error.ServiceUnknown'
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raise
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end
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def change_error() @errors.push error end
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def finish()
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@dialog_object.close rescue DBus::Error
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kdialog '--detailederror', "Some errors occured:", errors.join( "<br/>\n") unless errors.empty?
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end
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def max= val
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@dialog_object.Set '', 'maximum', val
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end
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def max
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@dialog_object.Get '', 'maximum'
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end
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end
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