autorun overhaul + shell input readline commands + launcher option + shell colors

sys/apps/system/launcher.lua

@@ -0,0 +1,81 @@
+local Config = require('config')
+local UI     = require('ui')
+
+local colors = _G.colors
+local fs     = _G.fs
+
+local config = Config.load('multishell')
+
+local tab = UI.Tab {
+	tabTitle = 'Launcher',
+	description = 'Set the application launcher',
+  launcherLabel = UI.Text {
+    x = 3, y = 2,
+    value = 'Launcher',
+  },
+  launcher = UI.Chooser {
+    x = 13, y = 2, width = 12,
+    choices = {
+      { name = 'Overview', value = 'sys/apps/Overview.lua' },
+      { name = 'Shell',    value = 'sys/apps/shell.lua'    },
+      { name = 'Custom',   value = 'custom'                },
+    },
+  },
+  custom = UI.TextEntry {
+    x = 13, ex = -3, y = 3,
+    limit = 128,
+    shadowText = 'File name',
+  },
+  button = UI.Button {
+    x = 3, y = 5,
+    text = 'Update',
+    event = 'update',
+  },
+  labelText = UI.TextArea {
+    x = 3, ex = -3, y = 7,
+    textColor = colors.yellow,
+    value = 'Choose an application launcher',
+  },
+}
+
+function tab:enable()
+  local launcher = config.launcher and 'custom' or 'sys/apps/Overview.lua'
+
+  for _, v in pairs(self.launcher.choices) do
+    if v.value == config.launcher then
+      launcher = v.value
+      break
+    end
+  end
+
+	UI.Tab.enable(self)
+
+  self.launcher.value = launcher
+  self.custom.enabled = launcher == 'custom'
+end
+
+function tab:eventHandler(event)
+	if event.type == 'choice_change' then
+    self.custom.enabled = event.value == 'custom'
+    self:draw()
+
+  elseif event.type == 'update' then
+    local launcher
+
+    if self.launcher.value ~= 'custom' then
+      launcher = self.launcher.value
+    elseif fs.exists(self.custom.value) and not fs.isDir(self.custom.value) then
+      launcher = self.custom.value
+    end
+
+    if launcher then
+      config.launcher = launcher
+      Config.update('multishell', config)
+      self:emit({ type = 'success_message', message = 'Updated' })
+    else
+      self:emit({ type = 'error_message', message = 'Invalid file' })
+    end
+  end
+end
+
+return tab