mirror of https://github.com/kepler155c/opus
38 lines
937 B
Lua
38 lines
937 B
Lua
local class = require('opus.class')
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local UI = require('opus.ui')
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local Util = require('opus.util')
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UI.TabBar = class(UI.MenuBar)
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UI.TabBar.defaults = {
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UIElement = 'TabBar',
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buttonClass = 'TabBarMenuItem',
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backgroundColor = 'black',
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}
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function UI.TabBar:enable()
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UI.MenuBar.enable(self)
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if not Util.find(self.children, 'selected', true) then
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local menuItem = self:getFocusables()[1]
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if menuItem then
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menuItem.selected = true
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end
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end
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end
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function UI.TabBar:eventHandler(event)
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if event.type == 'tab_select' then
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local selected, si = Util.find(self.children, 'uid', event.button.uid)
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local previous, pi = Util.find(self.children, 'selected', true)
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if si ~= pi then
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selected.selected = true
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if previous then
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previous.selected = false
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self:emit({ type = 'tab_change', current = si, last = pi, tab = selected })
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end
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end
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self:draw(self)
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end
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return UI.MenuBar.eventHandler(self, event)
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end
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