From 1cdc1053774d8c218b5225a56c65127ac1c4636a Mon Sep 17 00:00:00 2001
From: Jeffrey Phillips Freeman <the@jeffreyfreeman.me>
Date: Mon, 27 Apr 2020 05:28:08 +0200
Subject: [PATCH] Refactored code to get it a little closer to being
non-blocking.
---
lib/aethyr/core/connection/server.rb | 5 +-
lib/aethyr/core/connection/telnet.rb | 6 -
lib/aethyr/core/render/display.rb | 533 ++++++++++++++-------------
3 files changed, 279 insertions(+), 265 deletions(-)
diff --git a/lib/aethyr/core/connection/server.rb b/lib/aethyr/core/connection/server.rb
index bda52f4..764e98b 100644
--- a/lib/aethyr/core/connection/server.rb
+++ b/lib/aethyr/core/connection/server.rb
@@ -63,15 +63,14 @@ module Aethyr
#ready, _, _ = IO.select([listener])
socket, addr_info = listener.accept_nonblock(exception: false)
if (not socket.nil?) and socket.is_a? Socket
- did_something = true
players << handle_client(socket, addr_info)
end
players.each do |player|
- did_something = true if player.receive_data
+ player.display.set_term
+ player.receive_data
end
- sleep 0.1 unless did_something
end
# 4.times do # Adjust this number for the pool size
diff --git a/lib/aethyr/core/connection/telnet.rb b/lib/aethyr/core/connection/telnet.rb
index 71a8af2..570e7ea 100644
--- a/lib/aethyr/core/connection/telnet.rb
+++ b/lib/aethyr/core/connection/telnet.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require 'socket'
require 'aethyr/core/connection/telnet_codes'
@@ -64,10 +63,7 @@ class TelnetScanner
end
def process_iac
- log 'doing process_iac'
-
@iac_state = :none if @iac_state.nil?
- puts 'start'
ch = nil?
begin
ch = @socket.recv_nonblock(1, Socket::MSG_PEEK)
@@ -76,9 +72,7 @@ class TelnetScanner
end
return false if ch.nil?
- puts 'stop'
ch = ch.chr
- log "processing #{ch.ord}"
if @iac_state == :none && ch == IAC
@socket.recv(1)
@iac_state = :IAC
diff --git a/lib/aethyr/core/render/display.rb b/lib/aethyr/core/render/display.rb
index 080102c..f64003c 100644
--- a/lib/aethyr/core/render/display.rb
+++ b/lib/aethyr/core/render/display.rb
@@ -1,5 +1,6 @@
# coding: utf-8
-require "ncursesw"
+
+require 'ncursesw'
require 'stringio'
require 'aethyr/core/connection/telnet_codes'
require 'aethyr/core/connection/telnet'
@@ -21,17 +22,17 @@ class Display
@color_settings = new_color_settings || to_default_colors
- @socket = socket #StringIO.new
+ @socket = socket # StringIO.new
@scanner = TelnetScanner.new(socket, self)
@scanner.send_preamble
- @screen = Ncurses.newterm("xterm-256color", @socket, @socket)
+ @screen = Ncurses.newterm('xterm-256color', @socket, @socket)
Ncurses.set_term(@screen)
Ncurses.cbreak # provide unbuffered input
Ncurses.noecho # turn off input echoing
Ncurses.nonl # turn off newline translation
- Ncurses.curs_set(2) #high visibility cursor
+ Ncurses.curs_set(2) # high visibility cursor
Ncurses.stdscr.intrflush(false) # turn off flush-on-interrupt
Ncurses.stdscr.keypad(true) # turn on keypad mode
@@ -39,13 +40,13 @@ class Display
Ncurses.stdscr.clear
@windows = {
- :main => Window.new(@color_settings, buffered: true),
- :input => Window.new(@color_settings),
- :map => Window.new(@color_settings),
- :look => Window.new(@color_settings, buffered: true),
- :quick_bar => Window.new(@color_settings),
- :status => Window.new(@color_settings),
- :chat => Window.new(@color_settings, buffered: true)
+ main: Window.new(@color_settings, buffered: true),
+ input: Window.new(@color_settings),
+ map: Window.new(@color_settings),
+ look: Window.new(@color_settings, buffered: true),
+ quick_bar: Window.new(@color_settings),
+ status: Window.new(@color_settings),
+ chat: Window.new(@color_settings, buffered: true)
}
self.selected = :input
layout
@@ -54,11 +55,11 @@ class Display
def init_colors
Ncurses.start_color
@use_color = true
- @windows.each do |channel, window|
+ @windows.each do |_channel, window|
window.enable_color
end
puts "There are #{Ncurses.COLORS} colors on this client"
- Ncurses.assume_default_colors(Color::Foreground.attribute(:white), Color::Background.attribute(:black));
+ Ncurses.assume_default_colors(Color::Foreground.attribute(:white), Color::Background.attribute(:black))
Ncurses.COLORS.times do |fg|
Ncurses.COLORS.times do |bg|
Ncurses.init_pair(fg + bg * Ncurses.COLORS, fg, bg)
@@ -67,8 +68,8 @@ class Display
update
end
- def selected= channel
- @windows.each do |channel, window|
+ def selected=(channel)
+ @windows.each do |_channel, window|
window.selected = false
end
@windows[channel].selected = true
@@ -78,7 +79,7 @@ class Display
@windows.each do |channel, window|
return channel if window.selected
end
- return :input
+ :input
end
def layout(layout: @layout_type)
@@ -86,25 +87,25 @@ class Display
@layout_type = layout
if @layout_type == :wide && @height >= 60 && @width >= 300
@windows[:quick_bar].create(height: 3, y: @height - 5)
- @windows[:map].create(height: @height/2 + 1, width: 166)
- @windows[:look].create(height: @height/2 - 3, width: 83, y: @height/2)
- @windows[:main].create(height: @height/2 - 3, width: 83, x: 83, y: @height/2)
+ @windows[:map].create(height: @height / 2 + 1, width: 166)
+ @windows[:look].create(height: @height / 2 - 3, width: 83, y: @height / 2)
+ @windows[:main].create(height: @height / 2 - 3, width: 83, x: 83, y: @height / 2)
@windows[:chat].create(height: @height - 4, width: @width - 249, x: 166)
@windows[:status].create(height: @height - 4, x: @width - 83)
elsif (@layout_type == :full || @layout_type == :wide) && @height >= 60 && @width >= 249
@windows[:quick_bar].create(height: 3, y: @height - 5)
- @windows[:map].create(height: @height/2 + 1, width: 166)
- @windows[:look].create(height: @height/2 - 3, width: 83, y: @height/2)
- @windows[:main].create(height: @height/2 - 3, width: 83, x: 83, y: @height/2)
+ @windows[:map].create(height: @height / 2 + 1, width: 166)
+ @windows[:look].create(height: @height / 2 - 3, width: 83, y: @height / 2)
+ @windows[:main].create(height: @height / 2 - 3, width: 83, x: 83, y: @height / 2)
@windows[:chat].create(height: @height - 4, x: 166)
@windows[:status].destroy
elsif (@layout_type == :partial || @layout_type == :full || @layout_type == :wide) && @height >= 60 && @width >= 166
@windows[:status].destroy
@windows[:chat].destroy
@windows[:quick_bar].create(height: 3, y: @height - 5)
- @windows[:map].create(height: @height/2 + 1)
- @windows[:look].create(height: @height/2 - 3, width: 83, y: @height/2)
- @windows[:main].create(height: @height/2 - 3, x: 83, y: @height/2)
+ @windows[:map].create(height: @height / 2 + 1)
+ @windows[:look].create(height: @height / 2 - 3, width: 83, y: @height / 2)
+ @windows[:main].create(height: @height / 2 - 3, x: 83, y: @height / 2)
else
@windows[:map].destroy
@windows[:look].destroy
@@ -130,11 +131,6 @@ class Display
layout
end
- def read_rdy?
- ready, _, _ = IO.select([@socket])
- ready.any?
- end
-
def echo?
@echo
end
@@ -148,30 +144,29 @@ class Display
end
def recv
- return nil unless read_rdy?
-
set_term
recvd = read_line(0, 0)
+ return nil if recvd.nil?
+
puts "read returned: #{recvd}"
recvd + "\n"
end
- def send_raw message
+ def send_raw(message)
@socket.puts message
end
- def send (message, word_wrap = true, message_type: :main, internal_clear: false, add_newline: true)
+ def send(message, word_wrap = true, message_type: :main, internal_clear: false, add_newline: true)
window = nil
- if @windows[message_type].nil? || (not @windows[message_type].exists?)
+ if @windows[message_type].nil? || !@windows[message_type].exists?
message_type = :main
internal_clear = false
end
@windows[message_type].clear if internal_clear
@windows[message_type].send(message, word_wrap, add_newline: add_newline)
-
end
def close
@@ -182,49 +177,49 @@ class Display
Ncurses.endwin
end
- #Sets colors to defaults
+ # Sets colors to defaults
def to_default_colors
@color_settings = {
- "roomtitle" => "fg:green bold",
- "object" => "fg:blue",
- "player" => "fg:cyan",
- "mob" => "fg:yellow bold",
- "merchant" => "fg:yellow dim",
- "me" => "fg:white bold",
- "exit" => "fg:green",
- "say" => "fg:white bold",
- "tell" => "fg:cyan bold",
- "important" => "fg:red bold",
- "editor" => "fg:cyan",
- "news" => "fg:cyan bold",
- "identifier" => "fg:magenta bold",
- "water" => "fg:blue",
- "waterlow" => "fg:blue dim",
- "waterhigh" => "fg:blue bold",
- "earth" => "fg:darkgoldenrod",
- "earthlow" => "fg:darkgoldenrod dim",
- "earthhigh" => "fg:darkgoldenrod bold",
- "air" => "fg:white",
- "airlow" => "fg:white dim",
- "airhigh" => "fg:white bold",
- "fire" => "fg:red",
- "firelow" => "fg:red dim",
- "firehigh" => "fg:red bold",
- "regular" => "fg:white bg:black"
+ 'roomtitle' => 'fg:green bold',
+ 'object' => 'fg:blue',
+ 'player' => 'fg:cyan',
+ 'mob' => 'fg:yellow bold',
+ 'merchant' => 'fg:yellow dim',
+ 'me' => 'fg:white bold',
+ 'exit' => 'fg:green',
+ 'say' => 'fg:white bold',
+ 'tell' => 'fg:cyan bold',
+ 'important' => 'fg:red bold',
+ 'editor' => 'fg:cyan',
+ 'news' => 'fg:cyan bold',
+ 'identifier' => 'fg:magenta bold',
+ 'water' => 'fg:blue',
+ 'waterlow' => 'fg:blue dim',
+ 'waterhigh' => 'fg:blue bold',
+ 'earth' => 'fg:darkgoldenrod',
+ 'earthlow' => 'fg:darkgoldenrod dim',
+ 'earthhigh' => 'fg:darkgoldenrod bold',
+ 'air' => 'fg:white',
+ 'airlow' => 'fg:white dim',
+ 'airhigh' => 'fg:white bold',
+ 'fire' => 'fg:red',
+ 'firelow' => 'fg:red dim',
+ 'firehigh' => 'fg:red bold',
+ 'regular' => 'fg:white bg:black'
}
end
- #Sets the foreground color for a given setting.
+ # Sets the foreground color for a given setting.
def set_color(code, color)
- code.downcase! unless code.nil?
- color.downcase! unless color.nil?
+ code&.downcase!
+ color&.downcase!
- if not @color_settings.has_key? code
+ if !@color_settings.key? code
"No such setting: #{code}"
else
- if not @use_color
+ unless @use_color
@color_settings.keys.each do |setting|
- @color_settings[setting] = ""
+ @color_settings[setting] = ''
end
@use_color = true
end
@@ -234,248 +229,274 @@ class Display
end
end
- #Returns list of color settings to show the player
+ # Returns list of color settings to show the player
def show_color_config
- <<-CONF
-Colors are currently: #{@use_color ? "Enabled" : "Disabled"}
-Text Setting Color
------------------------------------------------
-Room Title roomtitle <roomtitle>#{@color_settings['roomtitle']}</roomtitle>
-Object object <object>#{@color_settings['object']}</object>
-Player player <player>#{@color_settings['player']}</player>
-Mob mob <mob>#{@color_settings['mob']}</mob>
-Merchant merchant <merchant>#{@color_settings['merchant']}</merchant>
-Me me <me>#{@color_settings['me']}</me>
-Exit exit <exit>#{@color_settings['exit']}</exit>
-Say say <say>#{@color_settings['say']}</say>
-Tell tell <tell>#{@color_settings['tell']}</tell>
-Important important <important>#{@color_settings['important']}</important>
-Editor editor <editor>#{@color_settings['editor']}</editor>
-News news <news>#{@color_settings['news']}</news>
-Identifier identifier <identifier>#{@color_settings['identifier']}</identifier>
-Fire fire <fire>#{@color_settings['fire']}</fire>
-Fire when low firelow <firelow>#{@color_settings['firelow']}</firelow>
-Fire when high firehigh <firehigh>#{@color_settings['firehigh']}</firehigh>
-Air air <air>#{@color_settings['air']}</air>
-Air when low airlow <airlow>#{@color_settings['airlow']}</airlow>
-Air when high airhigh <airhigh>#{@color_settings['airhigh']}</airhigh>
-Water water <water>#{@color_settings['water']}</water>
-Water when low waterlow <waterlow>#{@color_settings['waterlow']}</waterlow>
-Water when high waterhigh <waterhigh>#{@color_settings['waterhigh']}</waterhigh>
-Earth earth <earth>#{@color_settings['earth']}</earth>
-Earth when low earthlow <earthlow>#{@color_settings['earthlow']}</earthlow>
-Earth when high earthhigh <earthhigh>#{@color_settings['earthhigh']}</earthhigh>
-Regular regular #{@color_settings['regular']}
-CONF
+ <<~CONF
+ Colors are currently: #{@use_color ? 'Enabled' : 'Disabled'}
+ Text Setting Color
+ -----------------------------------------------
+ Room Title roomtitle <roomtitle>#{@color_settings['roomtitle']}</roomtitle>
+ Object object <object>#{@color_settings['object']}</object>
+ Player player <player>#{@color_settings['player']}</player>
+ Mob mob <mob>#{@color_settings['mob']}</mob>
+ Merchant merchant <merchant>#{@color_settings['merchant']}</merchant>
+ Me me <me>#{@color_settings['me']}</me>
+ Exit exit <exit>#{@color_settings['exit']}</exit>
+ Say say <say>#{@color_settings['say']}</say>
+ Tell tell <tell>#{@color_settings['tell']}</tell>
+ Important important <important>#{@color_settings['important']}</important>
+ Editor editor <editor>#{@color_settings['editor']}</editor>
+ News news <news>#{@color_settings['news']}</news>
+ Identifier identifier <identifier>#{@color_settings['identifier']}</identifier>
+ Fire fire <fire>#{@color_settings['fire']}</fire>
+ Fire when low firelow <firelow>#{@color_settings['firelow']}</firelow>
+ Fire when high firehigh <firehigh>#{@color_settings['firehigh']}</firehigh>
+ Air air <air>#{@color_settings['air']}</air>
+ Air when low airlow <airlow>#{@color_settings['airlow']}</airlow>
+ Air when high airhigh <airhigh>#{@color_settings['airhigh']}</airhigh>
+ Water water <water>#{@color_settings['water']}</water>
+ Water when low waterlow <waterlow>#{@color_settings['waterlow']}</waterlow>
+ Water when high waterhigh <waterhigh>#{@color_settings['waterhigh']}</waterhigh>
+ Earth earth <earth>#{@color_settings['earth']}</earth>
+ Earth when low earthlow <earthlow>#{@color_settings['earthlow']}</earthlow>
+ Earth when high earthhigh <earthhigh>#{@color_settings['earthhigh']}</earthhigh>
+ Regular regular #{@color_settings['regular']}
+ CONF
end
def refresh_watch_windows(player)
if @windows[:look].exists?
room = $manager.get_object(player.container)
- if not room.nil?
+ if !room.nil?
look_text = room.look(player)
- #cleared = false
+ # cleared = false
msg = Window.split_message(look_text, 79).join("\n")
send(msg, message_type: :look, internal_clear: true, add_newline: true)
else
- send("Nothing to look at.", message_type: :look, internal_clear: true)
+ send('Nothing to look at.', message_type: :look, internal_clear: true)
end
end
if @windows[:map].exists?
room = $manager.get_object(player.container)
- if not room.nil?
+ if !room.nil?
send(room.area.render_map(player, room.area.position(room)), message_type: :map, internal_clear: true)
else
- send("No map of current area.", message_type: :map, internal_clear: true)
+ send('No map of current area.', message_type: :map, internal_clear: true)
end
end
if @windows[:quick_bar].exists?
- send("this is the quick bar", message_type: :quick_bar, internal_clear: true, add_newline: false)
+ send('this is the quick bar', message_type: :quick_bar, internal_clear: true, add_newline: false)
end
if @windows[:status].exists?
- send("This is the status window", message_type: :status, internal_clear: true, add_newline: false)
+ send('This is the status window', message_type: :status, internal_clear: true, add_newline: false)
end
end
+ def set_term
+ Ncurses.set_term(@screen)
+ end
+
private
def update
@windows.each do |channel, window|
- window.update unless channel == self.selected
+ window.update unless channel == selected
end
- @windows[self.selected].update unless @windows[self.selected].nil? #make sure the selected window always takes the last update so border renders properly
- Ncurses.doupdate()
- end
-
- def set_term
- Ncurses.set_term(@screen)
+ @windows[selected].update # make sure the selected window always takes the last update so border renders properly
+ Ncurses.doupdate
end
-
def read_line(y, x,
- max_len: (@windows[:input].window_text.getmaxx - x - 1),
- string: "",
- cursor_pos: 0)
- escape = nil
- loop do
+ max_len: (@windows[:input].window_text.getmaxx - x - 1))
+
+ @read_stage = :none if @read_stage.nil?
+ if @read_stage == :none
+ @escape = nil
+ @cursor_pos = 0
+ @input_buffer = ''
+ @read_stage = :update
+ end
+
+ if @read_stage == :update
@windows[:input].clear
- @windows[:input].window_text.mvaddstr(y,x,string) if echo?
- @windows[:input].window_text.move(y,x+cursor_pos) if echo?
- #update
+ @windows[:input].window_text.mvaddstr(y, x, @input_buffer) if echo?
+ @windows[:input].window_text.move(y, x + @cursor_pos) if echo?
+ # update
@windows[:input].update
- Ncurses.doupdate();
+ Ncurses.doupdate
- next if not @scanner.process_iac
+ @read_stage = :iac
+ return nil
+ end
- ch = @windows[:input].window_text.getch
- puts ch
+ if @read_stage == :iac
+ @read_stage = :input if @scanner.process_iac
+ return nil
+ end
- unless escape.nil?
- case escape
+ ch = @windows[:input].window_text.getch
+ @read_stage = :iac
+ puts ch
- when [27]
- case ch
- when 91
- escape = [27, 91]
- end
+ unless @escape.nil?
+ case @escape
- when [27, 91]
- case ch
- when 53 #scroll up
- escape = [27, 91, 53]
- when 54 #scroll down
- escape = [27, 91, 54]
- when 68
- ch = Ncurses::KEY_LEFT
- escape = nil
- when 67
- ch = Ncurses::KEY_RIGHT
- escape = nil
- when 65
- ch = Ncurses::KEY_UP
- escape = nil
- when 66
- ch = Ncurses::KEY_DOWN
- escape = nil
- else
- escape = nil
- next
- end
+ when [27]
+ case ch
+ when 91
+ @escape = [27, 91]
+ end
- when [27, 91, 53]
- case ch
- when 126 #page up
- if self.selected == :input
- @windows[:main].buffer_pos += 5
- else
- @windows[self.selected].buffer_pos +=5 if (@windows[self.selected].respond_to? :buffer_pos) && (not @windows[self.selected].buffer_pos.nil?)
- end
- escape = nil
- next
- else
- escape = nil
- next
- end
+ when [27, 91]
+ case ch
+ when 53 # scroll up
+ @escape = [27, 91, 53]
+ when 54 # scroll down
+ @escape = [27, 91, 54]
+ when 68
+ ch = Ncurses::KEY_LEFT
+ @escape = nil
+ when 67
+ ch = Ncurses::KEY_RIGHT
+ @escape = nil
+ when 65
+ ch = Ncurses::KEY_UP
+ @escape = nil
+ when 66
+ ch = Ncurses::KEY_DOWN
+ @escape = nil
+ else
+ @escape = nil
+ return nil
+ end
- when [27, 91, 54]
- case ch
- when 126 #page down
- if self.selected == :input
- @windows[:main].buffer_pos -= 5
- else
- @windows[self.selected].buffer_pos -= 5 if (@windows[self.selected].respond_to? :buffer_pos) && (not @windows[self.selected].buffer_pos.nil?)
- end
- escape = nil
- next
+ when [27, 91, 53]
+ case ch
+ when 126 # page up
+ if selected == :input
+ @windows[:main].buffer_pos += 5
else
- escape = nil
- next
+ if (@windows[selected].respond_to? :buffer_pos) && !@windows[selected].buffer_pos.nil?
+ @windows[selected].buffer_pos += 5
+ end
end
+ @escape = nil
+ return nil
else
- escape = nil
- next
+ @escape = nil
+ return nil
end
- end
- if escape.nil?
+ when [27, 91, 54]
case ch
- when 27
- escape = [27]
- when Ncurses::KEY_LEFT
- cursor_pos = [0, cursor_pos-1].max
- when Ncurses::KEY_RIGHT
- cursor_pos = [max_len, cursor_pos + 1, string.length].min
- when Ncurses::KEY_UP
- @windows[:main].buffer_pos += 1
- when Ncurses::KEY_DOWN
- @windows[:main].buffer_pos -= 1
- when 13 # return
- @windows[:input].clear
- self.selected = :input
- @windows[:main].send("\n≫≫≫≫≫ #{string}\n\n") if echo?
- @windows[:main].buffer_pos = 0
- @windows[:main].update
- return string#, cursor_pos, ch # Which return key has been used?
- #when Ncurses::KEY_BACKSPACE
- when 127, "\b".ord, Ncurses::KEY_BACKSPACE # backspace
- #string = string[0...([0, cursor_pos-1].max)] + string[cursor_pos..-1]
- if cursor_pos >= 1
- string.slice!(cursor_pos - 1)
- cursor_pos = cursor_pos-1
- end
-# window.mvaddstr(y, x+string.length, " ") if echo?
- @selected = :input
- # when etc...
- when 32..255 # remaining printables
- if (cursor_pos < max_len)
- #string[cursor_pos,0] = ch
- string.insert(cursor_pos, ch.chr)
- cursor_pos += 1
- end
- @selected = :input
- when 9 # tab
- case self.selected
- when :input
- if @windows[:look].exists?
- self.selected = :look
- else
- self.selected = :main
- end
- when :main
- if @windows[:chat].exists?
- self.selected = :chat
- elsif @windows[:status].exists?
- self.selected = :status
- else
- self.selected = :input
- end
- when :map
- self.selected = :main
- when :look
- if @windows[:map].exists?
- self.selected = :map
- else
- self.selected = :input
- end
- when :chat
- if @windows[:status].exists?
- self.selected = :status
- else
- self.selected = :input
- end
- when :status
- self.selected = :input
+ when 126 # page down
+ if selected == :input
+ @windows[:main].buffer_pos -= 5
else
- self.selected = :input
+ if (@windows[selected].respond_to? :buffer_pos) && !@windows[selected].buffer_pos.nil?
+ @windows[selected].buffer_pos -= 5
+ end
end
- update
+ @escape = nil
+ return nil
else
- log "Unidentified key press: #{ch}"
+ @escape = nil
+ return nil
+ end
+ else
+ @escape = nil
+ return nil
+ end
+ end
+
+ if @escape.nil?
+ case ch
+ when 27
+ @escape = [27]
+ when Ncurses::KEY_LEFT
+ @cursor_pos = [0, @cursor_pos - 1].max
+ @read_stage = :update
+ when Ncurses::KEY_RIGHT
+ @cursor_pos = [max_len, @cursor_pos + 1, @input_buffer.length].min
+ @read_stage = :update
+ when Ncurses::KEY_UP
+ @windows[:main].buffer_pos += 1
+ @read_stage = :update
+ when Ncurses::KEY_DOWN
+ @windows[:main].buffer_pos -= 1
+ @read_stage = :update
+ when 13 # return
+ @windows[:input].clear
+ self.selected = :input
+ @windows[:main].send("\n≫≫≫≫≫ #{@input_buffer}\n\n") if echo?
+ @windows[:main].buffer_pos = 0
+ @windows[:main].update
+ @read_stage = :none
+ return @input_buffer # , cursor_pos, ch # Which return key has been used?
+ # when Ncurses::KEY_BACKSPACE
+ when 127, "\b".ord, Ncurses::KEY_BACKSPACE # backspace
+ # string = string[0...([0, cursor_pos-1].max)] + string[cursor_pos..-1]
+ if @cursor_pos >= 1
+ @input_buffer.slice!(@cursor_pos - 1)
+ @cursor_pos -= 1
end
+ # window.mvaddstr(y, x+string.length, " ") if echo?
+ @selected = :input
+ @read_stage = :update
+ # when etc...
+ when 32..255 # remaining printables
+ if @cursor_pos < max_len
+ # string[cursor_pos,0] = ch
+ @input_buffer.insert(@cursor_pos, ch.chr)
+ @cursor_pos += 1
+ end
+ @selected = :input
+ @read_stage = :update
+ when 9 # tab
+ self.selected = case selected
+ when :input
+ if @windows[:look].exists?
+ :look
+ else
+ :main
+ end
+ when :main
+ if @windows[:chat].exists?
+ :chat
+ elsif @windows[:status].exists?
+ :status
+ else
+ :input
+ end
+ when :map
+ :main
+ when :look
+ if @windows[:map].exists?
+ :map
+ else
+ :input
+ end
+ when :chat
+ if @windows[:status].exists?
+ :status
+ else
+ :input
+ end
+ when :status
+ :input
+ else
+ :input
+ end
+ @read_stage = :update
+ update
+ else
+ log "Unidentified key press: #{ch}"
end
end
+
+ return nil
end
end
--
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