mirror of https://github.com/kepler155c/opus
70 lines
1.6 KiB
Lua
70 lines
1.6 KiB
Lua
local class = require('opus.class')
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local UI = require('opus.ui')
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local colors = _G.colors
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UI.Checkbox = class(UI.Window)
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UI.Checkbox.defaults = {
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UIElement = 'Checkbox',
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nochoice = 'Select',
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checkedIndicator = UI.extChars and '\4' or 'X',
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leftMarker = UI.extChars and '\124' or '[',
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rightMarker = UI.extChars and '\124' or ']',
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value = false,
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textColor = colors.white,
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backgroundColor = colors.black,
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backgroundFocusColor = colors.lightGray,
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height = 1,
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width = 3,
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accelerators = {
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space = 'checkbox_toggle',
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mouse_click = 'checkbox_toggle',
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}
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}
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function UI.Checkbox:draw()
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local bg = self.backgroundColor
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if self.focused then
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bg = self.backgroundFocusColor
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end
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if type(self.value) == 'string' then
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self.value = nil -- TODO: fix form
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end
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local text = string.format('[%s]', not self.value and ' ' or self.checkedIndicator)
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local x = 1
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if self.label then
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self:write(1, 1, self.label)
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x = #self.label + 2
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end
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self:write(x, 1, text, bg)
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self:write(x, 1, self.leftMarker, self.backgroundColor, self.textColor)
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self:write(x + 1, 1, not self.value and ' ' or self.checkedIndicator, bg)
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self:write(x + 2, 1, self.rightMarker, self.backgroundColor, self.textColor)
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end
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function UI.Checkbox:focus()
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self:draw()
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end
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function UI.Checkbox:setValue(v)
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self.value = v
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end
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function UI.Checkbox:reset()
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self.value = false
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end
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function UI.Checkbox:eventHandler(event)
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if event.type == 'checkbox_toggle' then
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self.value = not self.value
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self:emit({ type = 'checkbox_change', checked = self.value, element = self })
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self:draw()
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return true
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end
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end
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function UI.Checkbox.example()
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return UI.Checkbox {
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x = 2, y = 2,
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}
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end
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