mirror of
https://github.com/kepler155c/opus
synced 2024-11-18 14:44:50 +00:00
72 lines
1.4 KiB
Lua
72 lines
1.4 KiB
Lua
local class = require('class')
|
|
local UI = require('ui')
|
|
local Util = require('util')
|
|
|
|
local colors = _G.colors
|
|
|
|
UI.DropMenu = class(UI.MenuBar)
|
|
UI.DropMenu.defaults = {
|
|
UIElement = 'DropMenu',
|
|
backgroundColor = colors.white,
|
|
buttonClass = 'DropMenuItem',
|
|
}
|
|
function UI.DropMenu:setParent()
|
|
UI.MenuBar.setParent(self)
|
|
|
|
local maxWidth = 1
|
|
for y,child in ipairs(self.children) do
|
|
child.x = 1
|
|
child.y = y
|
|
if #(child.text or '') > maxWidth then
|
|
maxWidth = #child.text
|
|
end
|
|
end
|
|
for _,child in ipairs(self.children) do
|
|
child.width = maxWidth + 2
|
|
if child.spacer then
|
|
child.text = string.rep('-', child.width - 2)
|
|
end
|
|
end
|
|
|
|
self.height = #self.children + 1
|
|
self.width = maxWidth + 2
|
|
self.ow = self.width
|
|
|
|
self.canvas = self:addLayer()
|
|
end
|
|
|
|
function UI.DropMenu:enable()
|
|
end
|
|
|
|
function UI.DropMenu:show(x, y)
|
|
self.x, self.y = x, y
|
|
self.canvas:move(x, y)
|
|
self.canvas:setVisible(true)
|
|
|
|
UI.Window.enable(self)
|
|
|
|
self:draw()
|
|
self:capture(self)
|
|
self:focusFirst()
|
|
end
|
|
|
|
function UI.DropMenu:hide()
|
|
self:disable()
|
|
self.canvas:setVisible(false)
|
|
self:release(self)
|
|
end
|
|
|
|
function UI.DropMenu:eventHandler(event)
|
|
if event.type == 'focus_lost' and self.enabled then
|
|
if not Util.contains(self.children, event.focused) then
|
|
self:hide()
|
|
end
|
|
elseif event.type == 'mouse_out' and self.enabled then
|
|
self:hide()
|
|
self:refocus()
|
|
else
|
|
return UI.MenuBar.eventHandler(self, event)
|
|
end
|
|
return true
|
|
end
|