LoveFrames/loveframes/objects/internal/scrollable/scrollbutton.lua
2019-03-06 23:19:58 +00:00

140 lines
3.1 KiB
Lua

--[[------------------------------------------------
-- Love Frames - A GUI library for LOVE --
-- Copyright (c) 2012-2014 Kenny Shields --
--]]------------------------------------------------
return function(loveframes)
---------- module start ----------
-- scrollbutton clas
local newobject = loveframes.NewObject("scrollbutton", "loveframes_object_scrollbutton", true)
--[[---------------------------------------------------------
- func: initialize()
- desc: initializes the object
--]]---------------------------------------------------------
function newobject:initialize(scrolltype)
self.type = "scrollbutton"
self.scrolltype = scrolltype
self.width = 16
self.height = 16
self.down = false
self.internal = true
self.OnClick = function() end
-- apply template properties to the object
loveframes.ApplyTemplatesToObject(self)
self:SetDrawFunc()
end
--[[---------------------------------------------------------
- func: update(deltatime)
- desc: updates the object
--]]---------------------------------------------------------
function newobject:update(dt)
local visible = self.visible
local alwaysupdate = self.alwaysupdate
if not visible then
if not alwaysupdate then
return
end
end
self:CheckHover()
local hover = self.hover
local parent = self.parent
local base = loveframes.base
local update = self.Update
if not hover then
self.down = false
else
if loveframes.downobject == self then
self.down = true
end
end
if not self.down and loveframes.downobject == self then
self.hover = true
end
-- move to parent if there is a parent
if parent ~= base then
self.x = parent.x + self.staticx
self.y = parent.y + self.staticy
end
if update then
update(self, dt)
end
end
--[[---------------------------------------------------------
- func: mousepressed(x, y, button)
- desc: called when the player presses a mouse button
--]]---------------------------------------------------------
function newobject:mousepressed(x, y, button)
local visible = self.visible
if not visible then
return
end
local hover = self.hover
if hover and button == 1 then
local baseparent = self:GetBaseParent()
if baseparent.type == "frame" then
baseparent:MakeTop()
end
self.down = true
loveframes.downobject = self
end
end
--[[---------------------------------------------------------
- func: mousereleased(x, y, button)
- desc: called when the player releases a mouse button
--]]---------------------------------------------------------
function newobject:mousereleased(x, y, button)
local visible = self.visible
if not visible then
return
end
local hover = self.hover
local down = self.down
local onclick = self.OnClick
if hover and down then
if button == 1 then
onclick(x, y, self)
end
end
self.down = false
end
--[[---------------------------------------------------------
- func: GetScrollType()
- desc: gets the object's scroll type
--]]---------------------------------------------------------
function newobject:GetScrollType()
return self.scrolltype
end
---------- module end ----------
end