486 lines
12 KiB
Lua
486 lines
12 KiB
Lua
--[[------------------------------------------------
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-- Love Frames - A GUI library for LOVE --
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-- Copyright (c) 2012-2014 Kenny Shields --
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--]]------------------------------------------------
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return function(loveframes)
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---------- module start ----------
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-- numberbox object
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local newobject = loveframes.NewObject("numberbox", "loveframes_object_numberbox", true)
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--[[---------------------------------------------------------
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- func: initialize()
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- desc: initializes the object
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--]]---------------------------------------------------------
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function newobject:initialize()
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self.type = "numberbox"
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self.width = 80
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self.height = 20
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self.value = 0
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self.increaseamount = 1
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self.decreaseamount = 1
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self.min = -100
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self.max = 100
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self.delay = 0
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self.decimals = 0
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self.internal = false
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self.canmodify = false
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self.lastbuttonclicked = false
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self.internals = {}
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self.OnValueChanged = nil
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local input = loveframes.objects["textinput"]:new()
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input.parent = self
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input:SetSize(50, 20)
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input:SetUsable({"1", "2", "3", "4", "5", "6", "7", "8", "9", "0", ".", "-"})
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input:SetTabReplacement("")
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input:SetText(self.value)
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input.OnTextChanged = function(object)
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local value = self.value
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local newvalue = tonumber(object.lines[1])
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if not newvalue then
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self.value = value
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input:SetText(value)
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return
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end
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self.value = newvalue
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if self.value > self.max then
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self.value = self.max
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object:SetText(self.value)
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end
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if self.value < self.min then
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self.value = self.min
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object:SetText(self.value)
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end
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if value ~= self.value then
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if self.OnValueChanged then
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self.OnValueChanged(self, self.value)
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end
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end
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end
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input.Update = function(object)
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object:SetSize(object.parent.width - 20, object.parent.height)
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end
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local increasebutton = loveframes.objects["button"]:new()
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increasebutton.parent = self
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increasebutton:SetWidth(21)
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increasebutton:SetText("+")
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increasebutton.OnClick = function()
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local canmodify = self.canmodify
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if not canmodify then
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self:ModifyValue("add")
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else
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self.canmodify = false
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end
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end
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increasebutton.Update = function(object)
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local time = 0
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time = love.timer.getTime()
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local delay = self.delay
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local down = object.down
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local canmodify = self.canmodify
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local lastbuttonclicked = self.lastbuttonclicked
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object:SetPos(object.parent.width - 21, 0)
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object:SetHeight(object.parent.height/2 + 1)
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if down and not canmodify then
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self:ModifyValue("add")
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self.canmodify = true
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self.delay = time + 0.80
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self.lastbuttonclicked = object
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elseif down and canmodify and delay < time then
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self:ModifyValue("add")
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self.delay = time + 0.02
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elseif not down and canmodify and lastbuttonclicked == object then
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self.canmodify = false
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self.delay = time + 0.80
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end
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end
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local decreasesbutton = loveframes.objects["button"]:new()
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decreasesbutton.parent = self
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decreasesbutton:SetWidth(21)
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decreasesbutton:SetText("-")
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decreasesbutton.OnClick = function()
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local canmodify = self.canmodify
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if not canmodify then
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self:ModifyValue("subtract")
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else
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self.canmodify = false
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end
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end
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decreasesbutton.Update = function(object)
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local time = 0
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time = love.timer.getTime()
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local delay = self.delay
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local down = object.down
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local canmodify = self.canmodify
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local lastbuttonclicked = self.lastbuttonclicked
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object:SetPos(object.parent.width - 21, object.parent.height/2)
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object:SetHeight(object.parent.height/2)
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if down and not canmodify then
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self:ModifyValue("subtract")
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self.canmodify = true
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self.delay = time + 0.80
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self.lastbuttonclicked = object
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elseif down and canmodify and delay < time then
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self:ModifyValue("subtract")
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self.delay = time + 0.02
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elseif not down and canmodify and lastbuttonclicked == object then
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self.canmodify = false
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self.delay = time + 0.80
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end
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end
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table.insert(self.internals, input)
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table.insert(self.internals, increasebutton)
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table.insert(self.internals, decreasesbutton)
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self:SetDrawFunc()
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end
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--[[---------------------------------------------------------
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- func: update(deltatime)
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- desc: updates the element
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--]]---------------------------------------------------------
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function newobject:update(dt)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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local alwaysupdate = self.alwaysupdate
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if not visible then
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if not alwaysupdate then
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return
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end
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end
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local internals = self.internals
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local parent = self.parent
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local base = loveframes.base
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local update = self.Update
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-- move to parent if there is a parent
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if parent ~= base and parent.type ~= "list" then
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self.x = self.parent.x + self.staticx
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self.y = self.parent.y + self.staticy
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end
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self:CheckHover()
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for k, v in ipairs(internals) do
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v:update(dt)
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end
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if update then
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update(self, dt)
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end
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end
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--[[---------------------------------------------------------
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- func: mousepressed(x, y, button)
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- desc: called when the player presses a mouse button
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--]]---------------------------------------------------------
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function newobject:mousepressed(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local internals = self.internals
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local hover = self.hover
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if hover and button == 1 then
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local baseparent = self:GetBaseParent()
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if baseparent and baseparent.type == "frame" then
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baseparent:MakeTop()
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end
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end
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for k, v in ipairs(internals) do
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v:mousepressed(x, y, button)
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end
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end
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--[[---------------------------------------------------------
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- func: SetValue(value)
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- desc: sets the object's value
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--]]---------------------------------------------------------
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function newobject:SetValue(value)
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local min = self.min
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local curvalue = self.value
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local value = tonumber(value) or min
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local internals = self.internals
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local input = internals[1]
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local onvaluechanged = self.OnValueChanged
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self.value = value
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input:SetText(value)
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if value ~= curvalue and onvaluechanged then
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onvaluechanged(self, value)
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: GetValue()
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- desc: gets the object's value
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--]]---------------------------------------------------------
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function newobject:GetValue()
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return self.value
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end
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--[[---------------------------------------------------------
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- func: SetIncreaseAmount(amount)
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- desc: sets the object's increase amount
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--]]---------------------------------------------------------
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function newobject:SetIncreaseAmount(amount)
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self.increaseamount = amount
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return self
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end
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--[[---------------------------------------------------------
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- func: GetIncreaseAmount()
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- desc: gets the object's increase amount
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--]]---------------------------------------------------------
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function newobject:GetIncreaseAmount()
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return self.increaseamount
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end
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--[[---------------------------------------------------------
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- func: SetDecreaseAmount(amount)
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- desc: sets the object's decrease amount
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--]]---------------------------------------------------------
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function newobject:SetDecreaseAmount(amount)
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self.decreaseamount = amount
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return self
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end
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--[[---------------------------------------------------------
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- func: GetDecreaseAmount()
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- desc: gets the object's decrease amount
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--]]---------------------------------------------------------
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function newobject:GetDecreaseAmount()
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return self.decreaseamount
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end
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--[[---------------------------------------------------------
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- func: SetMax(max)
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- desc: sets the object's maximum value
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--]]---------------------------------------------------------
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function newobject:SetMax(max)
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local internals = self.internals
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local input = internals[1]
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local onvaluechanged = self.OnValueChanged
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self.max = max
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if self.value > max then
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self.value = max
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input:SetValue(max)
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if onvaluechanged then
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onvaluechanged(self, max)
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: GetMax()
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- desc: gets the object's maximum value
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--]]---------------------------------------------------------
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function newobject:GetMax()
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return self.max
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end
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--[[---------------------------------------------------------
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- func: SetMin(min)
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- desc: sets the object's minimum value
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--]]---------------------------------------------------------
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function newobject:SetMin(min)
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local internals = self.internals
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local input = internals[1]
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local onvaluechanged = self.OnValueChanged
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self.min = min
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if self.value < min then
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self.value = min
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input:SetValue(min)
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if onvaluechanged then
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onvaluechanged(self, min)
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: GetMin()
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- desc: gets the object's minimum value
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--]]---------------------------------------------------------
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function newobject:GetMin()
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return self.min
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end
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--[[---------------------------------------------------------
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- func: SetMinMax()
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- desc: sets the object's minimum and maximum values
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--]]---------------------------------------------------------
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function newobject:SetMinMax(min, max)
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local internals = self.internals
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local input = internals[1]
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local onvaluechanged = self.OnValueChanged
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self.min = min
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self.max = max
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if self.value > max then
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self.value = max
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input:SetValue(max)
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if onvaluechanged then
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onvaluechanged(self, max)
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end
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end
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if self.value < min then
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self.value = min
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input:SetValue(min)
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if onvaluechanged then
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onvaluechanged(self, min)
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: GetMinMax()
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- desc: gets the object's minimum and maximum values
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--]]---------------------------------------------------------
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function newobject:GetMinMax()
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return self.min, self.max
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end
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--[[---------------------------------------------------------
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- func: ModifyValue(type)
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- desc: modifies the object's value
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--]]---------------------------------------------------------
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function newobject:ModifyValue(type)
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local value = self.value
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local internals = self.internals
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local input = internals[1]
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local decimals = self.decimals
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local onvaluechanged = self.OnValueChanged
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if not value then
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return
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end
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if type == "add" then
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local increaseamount = self.increaseamount
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local max = self.max
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self.value = value + increaseamount
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if self.value > max then
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self.value = max
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end
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self.value = loveframes.Round(self.value, decimals)
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input:SetText(self.value)
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if value ~= self.value then
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if onvaluechanged then
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onvaluechanged(self, self.value)
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end
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end
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elseif type == "subtract" then
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local decreaseamount = self.decreaseamount
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local min = self.min
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self.value = value - decreaseamount
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if self.value < min then
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self.value = min
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end
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self.value = loveframes.Round(self.value, decimals)
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input:SetText(self.value)
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if value ~= self.value then
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if onvaluechanged then
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onvaluechanged(self, self.value)
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end
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: SetDecimals(decimals)
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- desc: sets how many decimals the object's value
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can have
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--]]---------------------------------------------------------
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function newobject:SetDecimals(decimals)
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self.decimals = decimals
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return self
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end
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--[[---------------------------------------------------------
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- func: GetDecimals()
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- desc: gets how many decimals the object's value
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can have
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--]]---------------------------------------------------------
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function newobject:GetDecimals()
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return self.decimals
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end
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---------- module end ----------
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end
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