mirror of
https://github.com/kepler155c/opus
synced 2024-11-15 13:14:49 +00:00
61 lines
1.3 KiB
Lua
61 lines
1.3 KiB
Lua
local class = require('class')
|
|
local UI = require('ui')
|
|
|
|
--[[-- Menu --]]--
|
|
UI.Menu = class(UI.Grid)
|
|
UI.Menu.defaults = {
|
|
UIElement = 'Menu',
|
|
disableHeader = true,
|
|
columns = { { heading = 'Prompt', key = 'prompt', width = 20 } },
|
|
}
|
|
function UI.Menu:postInit()
|
|
self.values = self.menuItems
|
|
self.pageSize = #self.menuItems
|
|
end
|
|
|
|
function UI.Menu:setParent()
|
|
UI.Grid.setParent(self)
|
|
self.itemWidth = 1
|
|
for _,v in pairs(self.values) do
|
|
if #v.prompt > self.itemWidth then
|
|
self.itemWidth = #v.prompt
|
|
end
|
|
end
|
|
self.columns[1].width = self.itemWidth
|
|
|
|
if self.centered then
|
|
self:center()
|
|
else
|
|
self.width = self.itemWidth + 2
|
|
end
|
|
end
|
|
|
|
function UI.Menu:center()
|
|
self.x = (self.width - self.itemWidth + 2) / 2
|
|
self.width = self.itemWidth + 2
|
|
end
|
|
|
|
function UI.Menu:eventHandler(event)
|
|
if event.type == 'key' then
|
|
if event.key == 'enter' then
|
|
local selected = self.menuItems[self.index]
|
|
self:emit({
|
|
type = selected.event or 'menu_select',
|
|
selected = selected
|
|
})
|
|
return true
|
|
end
|
|
elseif event.type == 'mouse_click' then
|
|
if event.y <= #self.menuItems then
|
|
UI.Grid.setIndex(self, event.y)
|
|
local selected = self.menuItems[self.index]
|
|
self:emit({
|
|
type = selected.event or 'menu_select',
|
|
selected = selected
|
|
})
|
|
return true
|
|
end
|
|
end
|
|
return UI.Grid.eventHandler(self, event)
|
|
end
|