2019-06-28 17:50:02 +00:00
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local class = require('opus.class')
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local UI = require('opus.ui')
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2019-02-06 04:03:57 +00:00
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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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2019-03-26 04:31:25 +00:00
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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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2019-02-06 04:03:57 +00:00
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value = false,
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2020-04-22 04:40:59 +00:00
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textColor = 'white',
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backgroundColor = 'black',
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backgroundFocusColor = 'lightGray',
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2020-04-23 05:37:12 +00:00
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event = 'checkbox_change',
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2019-02-06 04:03:57 +00:00
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height = 1,
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2019-02-12 22:03:50 +00:00
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width = 3,
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2019-02-06 04:03:57 +00:00
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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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2020-04-22 04:40:59 +00:00
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function UI.Checkbox:layout()
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2019-11-17 05:12:02 +00:00
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self.width = self.label and #self.label + 4 or 3
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2020-04-22 04:40:59 +00:00
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UI.Window.layout(self)
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2019-11-17 05:12:02 +00:00
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end
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2019-02-06 04:03:57 +00:00
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function UI.Checkbox:draw()
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2019-11-17 05:12:02 +00:00
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local bg = self.focused and self.backgroundFocusColor or self.backgroundColor
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2019-02-06 04:03:57 +00:00
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local x = 1
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if self.label then
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2019-11-17 05:12:02 +00:00
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self:write(1, 1, self.label, self.labelBackgroundColor)
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2019-02-06 04:03:57 +00:00
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x = #self.label + 2
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end
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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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2019-02-22 08:52:47 +00:00
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function UI.Checkbox:setValue(v)
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2019-11-17 05:12:02 +00:00
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self.value = not not v
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2019-02-22 08:52:47 +00:00
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end
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2019-02-06 04:03:57 +00:00
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function UI.Checkbox:reset()
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self.value = false
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2019-11-17 05:12:02 +00:00
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self:draw()
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2019-02-06 04:03:57 +00:00
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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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2020-04-23 05:37:12 +00:00
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self:emit({ type = self.event, checked = self.value, element = self })
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2019-02-06 04:03:57 +00:00
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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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2019-11-14 04:50:00 +00:00
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function UI.Checkbox.example()
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2019-11-17 05:12:02 +00:00
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return UI.Window {
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ex1 = UI.Checkbox {
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label = 'test',
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x = 2, y = 2,
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},
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ex2 = UI.Checkbox {
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x = 2, y = 4,
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},
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2019-11-14 04:50:00 +00:00
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}
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end
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