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Fix base navigation

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This commit is contained in:
Glenn Y. Rolland 2019-12-30 01:53:25 +01:00
parent 69675eec38
commit 12df4f909c
5 changed files with 135 additions and 116 deletions
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12
lib/noozoid/config.rb
View file

@ -7,22 +7,26 @@ module Noozoid
[:nav_next, 'Navigate to next sibling'],
[:nav_previous, 'Navigate to previous sibling'],
[:nav_root, 'Navigate to tree root'],
[:nav_none, ''],
[:node_create, 'Create node'],
[:node_delete, 'Delete selected node'],
[:node_toggle, 'Toggle node'],
[:node_none, ''],
[:main_help, 'Show this help'],
[:main_quit, 'Exit program']
]
DEFAULT_KEYS = {
nav_parent: 'h',
nav_child: 'l',
nav_next: 'j',
nav_previous: 'k',
nav_parent: 'LEFT',
nav_child: 'RIGHT',
nav_next: 'DOWN',
nav_previous: 'UP',
nav_root: 'r',
nav_none: '',
node_create: 'a',
node_delete: 'd',
node_toggle: 'v',
node_none: '',
main_quit: 'q',
main_help: '?'
}

62
lib/noozoid/gui.rb
View file

@ -1,55 +1,47 @@
# frozen_string_literal: true
require 'curses'
module Noozoid
# Gui
module Gui
end
end
require_relative 'widgets/help_widget'
require_relative 'widgets/main_widget'
require_relative 'node'
module Noozoid
# Gui
module Gui
def start
Curses.init_screen
# invisible cursor
# app
class App
def initialize
@tree = Node.new('untitled')
end
def run
Curses.noecho
Curses.nonl
Curses.stdscr.keypad(true)
# Curses.raw
# Curses.stdscr.nodelay = 1
Curses.curs_set(0)
# Curses.start_color
Curses.init_screen
Curses.refresh
@main_window = MainWindow.new
while true do
@main_window.refresh
@main_window.loop
end
rescue Exception => e
@main_window = MainWidget.new(self)
@main_window.draw
@main_window.wait
rescue StandardError
Curses.close_screen
puts e
end
end
=begin
win2 = Curses::Window.new(Curses.lines / 2 - 1, Curses.cols / 2 - 1,
Curses.lines / 2, Curses.cols / 2)
win2.box("|", "-")
win2.refresh
2.upto(win2.maxx - 3) do |i|
win2.setpos(win2.maxy / 2, i)
win2 << "*"
win2.refresh
sleep 0.05
end
# Clearing windows each in turn
sleep 0.5
win1.clear
win1.refresh
win1.close
sleep 0.5
win2.clear
win2.refresh
win2.close
sleep 0.5
=end
module_function :start
def self.start
app = App.new
app.run
end
end
end

23
lib/noozoid/node.rb
View file

@ -1,14 +1,8 @@
# frozen_string_literal: true
module Noozoid
# Individual node type
class Node
protected
attr_accessor :parent
public
attr_accessor :name, :open
attr_reader :children, :parent
@ -24,34 +18,33 @@ module Noozoid
child.parent = self
end
def [](i)
@children[i]
def [](index)
@children[index]
end
def toggle!
@open = !@open
end
def >>(n = 1)
def >>(num = 1)
return nil if @parent.nil?
idx = @parent.children.index(self)
return nil if idx.nil?
@parent[(idx + n) % @parent.children.length]
@parent[(idx + num) % @parent.children.length]
end
def <<(n = 1)
self >> -n
def <<(num = 1)
self >> -num
end
def remove
@parent.children.delete(self) unless @parent.nil?
@parent&.children&.delete(self)
end
def children?
!@children.empty?
end
end
end

46
lib/noozoid/widgets/help_widget.rb
View file

@ -1,42 +1,46 @@
# frozen_string_literal: true
require 'curses'
require_relative '../config'
module Noozoid
module Gui
# HelpWidget
class HelpWidget
def initialize
@win = Curses::Window.new(
Curses.lines / 2,
Curses.cols / 2,
Curses.lines / 4,
Curses.cols / 4
)
@win.box(?|, ?-)
@win.setpos(0, 1)
@win.addstr(' Noozoid help ')
TITLE_STRING = 'Noozoid help'
QUIT_STRING = 'Press q to close'
self.fill
def initialize(parent)
@parent = parent
@win = Curses::Window.new(
Curses.lines / 2, Curses.cols / 2,
Curses.lines / 4, Curses.cols / 4
)
@win.box('|', '-')
@win.setpos(0, @win.maxx / 4)
@win.attron(Curses::A_REVERSE)
@win.addstr(TITLE_STRING.center(@win.maxx / 2))
@win.attroff(Curses::A_REVERSE)
fill_content
@win.refresh
end
def fill
def fill_content
t = 2
Noozoid::Config::HELP_KEYS.each do |key, desc|
@win.setpos(t, 7)
@win.addstr(Noozoid::Config::DEFAULT_KEYS[key])
@win.setpos(t, 10)
@win.setpos(t, 2)
@win.addstr(Noozoid::Config::DEFAULT_KEYS[key].rjust(7))
@win.setpos(t, 11)
@win.addstr(desc)
t += 1
end
str = 'Press q to close'
@win.setpos(@win.maxy - 2, @win.maxx - str.size - 2)
@win.addstr(str)
@win.setpos(@win.maxy - 2, @win.maxx - QUIT_STRING.size - 2)
@win.addstr(QUIT_STRING)
end
def loop
while true
def wait
loop do
key = Curses.getch
break if key == 'q'
end

66
lib/noozoid/widgets/main_widget.rb
View file

@ -1,48 +1,74 @@
# frozen_string_literal: true
require_relative '../version'
module Noozoid::Gui
class MainWindow
def initialize
module Noozoid
module Gui
# Main widget (full screen)
class MainWidget
HEADER_HELP_STR = "noozoid #{Noozoid::VERSION} " \
'~ Use the arrow keys to navigate, press ? for help'
def initialize(parent)
@parent = parent
@win = Curses::Window.new(Curses.lines, Curses.cols, 0, 0)
# @win.box(?|, ?-)
# @win.refresh
# @win.box('|', '-')
@win.refresh
@title = 'untitled'
end
def title=(value)
@title = value
self.refresh
draw_header_title
@win.refresh
end
def draw_header
top_str = "noozoid #{Noozoid::VERSION} ~ Use the arrow keys to navigate, press ? for help"
def draw_header_help
@win.attron(Curses::A_REVERSE)
@win.setpos(0, 0)
@win.addstr(" " * Curses.cols)
@win.addstr(' ' * Curses.cols)
@win.setpos(0, 0)
@win.addstr(top_str)
@win.addstr(HEADER_HELP_STR)
@win.attroff(Curses::A_REVERSE)
end
def draw_header_title
@win.setpos(1, 0)
@win.addstr('-' * Curses.cols)
@win.setpos(1, 4)
@win.addstr(" #{@title} ")
end
def refresh
self.draw_header
def draw
draw_header_help
draw_header_title
@win.refresh
end
def loop
def wait
loop do
key = Curses.getch
@win.setpos(10, 1)
@win.addstr(" #{key.to_s} ")
case key
when ??
subwin = HelpWidget.new
subwin.loop
when ?q
raise "Exit"
when Curses::Key::LEFT
@win.setpos(10, 1)
@win.addstr('LEFT')
when Curses::Key::PPAGE
Curses.setpos(10, 1)
Curses.addstr('Page Up')
when Curses::Key::NPAGE
Curses.setpos(10, 1)
Curses.addstr('Page Dn')
when '?'
subwin = HelpWidget.new(self)
subwin.wait
when 'q'
break
else
@win.setpos(10, 10)
@win.addstr("#{key} ")
end
@win.refresh
end
end
end
end