mirror of https://github.com/kepler155c/opus
70 lines
1.5 KiB
Lua
70 lines
1.5 KiB
Lua
local class = require('class')
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local Terminal = require('terminal')
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local UI = require('ui')
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local colors = _G.colors
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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 = colors.black,
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textColor = colors.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:setParent()
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UI.Window.setParent(self)
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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.setMaxScroll(self.maxScroll)
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local canvas = self:getCanvas()
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self.win.getCanvas().parent = canvas
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table.insert(canvas.layers, self.win.getCanvas())
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self.canvas = self.win.getCanvas()
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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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function UI.Embedded:draw()
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self.canvas:dirty()
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end
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function UI.Embedded:enable()
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self.canvas:setVisible(true)
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self.canvas:raise()
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if self.visible then
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-- the window will automatically update on changes
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-- the canvas does not need to be rendereed
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self.win.setVisible(true)
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end
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UI.Window.enable(self)
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self.canvas:dirty()
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end
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function UI.Embedded:disable()
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self.canvas:setVisible(false)
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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:focus()
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-- allow scrolling
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end
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