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75 lines
1.4 KiB
Lua
75 lines
1.4 KiB
Lua
require "ui/widget"
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--[[
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a button widget
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]]
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Button = InputContainer:new{
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text = nil, -- mandatory
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preselect = false,
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callback = nil,
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margin = 0,
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bordersize = 3,
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background = 0,
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radius = 15,
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padding = 2,
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width = nil,
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text_font_face = "cfont",
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text_font_size = 20,
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}
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function Button:init()
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local text_widget = TextWidget:new{
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text = self.text,
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face = Font:getFace(self.text_font_face, self.text_font_size)
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}
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local text_size = text_widget:getSize()
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if self.width == nil then
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self.width = text_size.w
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end
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-- set FrameContainer content
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self[1] = FrameContainer:new{
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margin = self.margin,
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bordersize = self.bordersize,
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background = self.background,
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radius = self.radius,
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padding = self.padding,
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HorizontalGroup:new{
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HorizontalSpan:new{ width = (self.width - text_size.w)/2 },
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text_widget,
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HorizontalSpan:new{ width = (self.width - text_size.w)/2 },
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}
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}
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if self.preselect then
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self[1].color = 15
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else
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self[1].color = 5
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end
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self.dimen = self[1]:getSize()
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if Device:isTouchDevice() then
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self.ges_events = {
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TapSelect = {
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GestureRange:new{
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ges = "tap",
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range = self.dimen,
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},
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doc = "Tap Button",
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},
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}
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end
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end
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function Button:onFocus()
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self[1].color = 15
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return true
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end
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function Button:onUnfocus()
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self[1].color = 5
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return true
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end
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function Button:onTapSelect()
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self.callback()
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return true
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end
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