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58 lines
1.3 KiB
Lua
58 lines
1.3 KiB
Lua
local InputContainer = require("ui/widget/container/inputcontainer")
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local ImageWidget = require("ui/widget/imagewidget")
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local GestureRange = require("ui/gesturerange")
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local UIManager = require("ui/uimanager")
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--[[
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Button with a big icon image! Designed for touch device
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--]]
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local IconButton = InputContainer:new{
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icon_file = "resources/info-confirm.png",
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dimen = nil,
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-- show_parent is used for UIManager:setDirty, so we can trigger repaint
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show_parent = nil,
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callback = function() end,
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}
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function IconButton:init()
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self.image = ImageWidget:new{
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file = self.icon_file
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}
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self.show_parent = self.show_parent or self
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self.dimen = self.image:getSize()
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self:initGesListener()
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self[1] = self.image
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end
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function IconButton:initGesListener()
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self.ges_events = {
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TapClickButton = {
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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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},
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}
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end
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function IconButton:onTapClickButton()
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self.image.invert = true
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UIManager:setDirty(self.show_parent, "partial")
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-- make sure button reacts before doing callback
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UIManager:scheduleIn(0.1, function()
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self.callback()
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self.image.invert = false
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UIManager:setDirty(self.show_parent, "partial")
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end)
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return true
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end
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function IconButton:onSetDimensions(new_dimen)
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self.dimen = new_dimen
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end
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return IconButton
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