mirror of https://github.com/kepler155c/opus
97 lines
2.0 KiB
Lua
97 lines
2.0 KiB
Lua
local class = require('opus.class')
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local Event = require('opus.event')
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local Terminal = require('opus.terminal')
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local UI = require('opus.ui')
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UI.Embedded = class(UI.Window)
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UI.Embedded.defaults = {
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UIElement = 'Embedded',
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backgroundColor = 'black',
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textColor = 'white',
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maxScroll = 100,
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accelerators = {
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up = 'scroll_up',
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down = 'scroll_down',
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}
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}
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function UI.Embedded:layout()
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UI.Window.layout(self)
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if not self.win then
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local t
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function self.render()
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if not t then
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t = Event.onTimeout(0, function()
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t = nil
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if self.focused then
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self:setCursorPos(self.win.getCursorPos())
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end
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self:sync()
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end)
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end
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end
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self.win = Terminal.window(UI.term.device, self.x, self.y, self.width, self.height, false)
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self.win.canvas = self
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self.win.setMaxScroll(self.maxScroll)
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self.win.setCursorPos(1, 1)
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self.win.setBackgroundColor(self.backgroundColor)
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self.win.setTextColor(self.textColor)
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self.win.clear()
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end
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end
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function UI.Embedded:draw()
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self:dirty()
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end
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function UI.Embedded:focus()
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-- allow scrolling
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if self.focused then
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self:setCursorBlink(self.win.getCursorBlink())
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end
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end
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function UI.Embedded:enable()
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UI.Window.enable(self)
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self.win.setVisible(true)
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self:dirty()
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end
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function UI.Embedded:disable()
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self.win.setVisible(false)
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UI.Window.disable(self)
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end
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function UI.Embedded:eventHandler(event)
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if event.type == 'scroll_up' then
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self.win.scrollUp()
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return true
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elseif event.type == 'scroll_down' then
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self.win.scrollDown()
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return true
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end
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end
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function UI.Embedded.example()
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local Util = require('opus.util')
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local term = _G.term
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return UI.Embedded {
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y = 2, x = 2, ex = -2, ey = -2,
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enable = function (self)
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UI.Embedded.enable(self)
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Event.addRoutine(function()
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local oterm = term.redirect(self.win)
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Util.run(_ENV, '/sys/apps/shell.lua')
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term.redirect(oterm)
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end)
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end,
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eventHandler = function(self, event)
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if event.type == 'key' then
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return true
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end
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return UI.Embedded.eventHandler(self, event)
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end
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}
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end
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