mirror of
https://github.com/linux-man/LoveFrames.git
synced 2024-11-18 16:04:22 +00:00
569 lines
13 KiB
Lua
569 lines
13 KiB
Lua
--[[------------------------------------------------
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-- Love Frames - A GUI library for LOVE --
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-- Copyright (c) 2013 Kenny Shields --
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--]]------------------------------------------------
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-- frame class
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local newobject = loveframes.NewObject("frame", "loveframes_object_frame", 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 = "frame"
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self.name = "Frame"
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self.width = 300
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self.height = 150
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self.clickx = 0
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self.clicky = 0
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self.internal = false
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self.draggable = true
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self.screenlocked = false
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self.parentlocked = false
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self.dragging = false
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self.modal = false
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self.modalbackground = false
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self.showclose = true
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self.internals = {}
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self.children = {}
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self.icon = nil
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self.OnClose = nil
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-- create the close button for the frame
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local close = loveframes.objects["closebutton"]:new()
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close.parent = self
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close.OnClick = function()
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local onclose = self.OnClose
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self:Remove()
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if onclose then
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onclose(self)
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end
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end
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table.insert(self.internals, close)
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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 x, y = love.mouse.getPosition()
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local showclose = self.showclose
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local close = self.internals[1]
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local dragging = self.dragging
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local screenlocked = self.screenlocked
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local parentlocked = self.parentlocked
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local modal = self.modal
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local base = loveframes.base
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local basechildren = base.children
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local numbasechildren = #basechildren
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local draworder = self.draworder
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local children = self.children
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local internals = self.internals
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local parent = self.parent
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local update = self.Update
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self:CheckHover()
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-- dragging check
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if dragging then
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if parent == base then
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self.x = x - self.clickx
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self.y = y - self.clicky
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else
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self.staticx = x - self.clickx
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self.staticy = y - self.clicky
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end
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end
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-- if screenlocked then keep within screen
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if screenlocked then
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local width = love.graphics.getWidth()
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local height = love.graphics.getHeight()
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local selfwidth = self.width
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local selfheight = self.height
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if self.x < 0 then
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self.x = 0
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end
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if self.x + selfwidth > width then
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self.x = width - selfwidth
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end
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if self.y < 0 then
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self.y = 0
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end
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if self.y + selfheight > height then
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self.y = height - selfheight
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end
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end
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if parentlocked then
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local width = self.parent.width
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local height = self.parent.height
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local selfwidth = self.width
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local selfheight = self.height
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if self.staticx < 0 then
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self.staticx = 0
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end
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if self.staticx + selfwidth > width then
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self.staticx = width - selfwidth
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end
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if self.staticy < 0 then
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self.staticy = 0
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end
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if self.staticy + selfheight > height then
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self.staticy = height - selfheight
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end
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end
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if modal then
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local tip = false
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local key = 0
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for k, v in ipairs(basechildren) do
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if v.type == "tooltip" and v.show == true then
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tip = v
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key = k
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end
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end
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if tip ~= false then
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self:Remove()
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self.modalbackground:Remove()
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table.insert(basechildren, key - 2, self.modalbackground)
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table.insert(basechildren, key - 1, self)
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end
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if self.modalbackground.draworder > self.draworder then
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self:MakeTop()
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end
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end
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if parent ~= base 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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for k, v in ipairs(internals) do
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v:update(dt)
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end
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for k, v in ipairs(children) 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: draw()
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- desc: draws the object
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--]]---------------------------------------------------------
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function newobject:draw()
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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 children = self.children
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local internals = self.internals
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local skins = loveframes.skins.available
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local skinindex = loveframes.config["ACTIVESKIN"]
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local defaultskin = loveframes.config["DEFAULTSKIN"]
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local selfskin = self.skin
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local skin = skins[selfskin] or skins[skinindex]
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local drawfunc = skin.DrawFrame or skins[defaultskin].DrawFrame
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local draw = self.Draw
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local drawcount = loveframes.drawcount
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-- set the object's draw order
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self:SetDrawOrder()
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if draw then
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draw(self)
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else
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drawfunc(self)
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end
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for k, v in ipairs(internals) do
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v:draw()
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end
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-- loop through the object's children and draw them
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for k, v in ipairs(children) do
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v:draw()
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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 width = self.width
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local height = self.height
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local selfcol = loveframes.util.BoundingBox(x, self.x, y, self.y, 1, self.width, 1, self.height)
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local internals = self.internals
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local children = self.children
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local dragging = self.dragging
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local parent = self.parent
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local base = loveframes.base
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if selfcol then
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local top = self:IsTopCollision()
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-- initiate dragging if not currently dragging
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if not dragging and top and button == "l" then
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if y < self.y + 25 and self.draggable then
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if parent == base then
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self.clickx = x - self.x
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self.clicky = y - self.y
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else
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self.clickx = x - self.staticx
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self.clicky = y - self.staticy
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end
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self.dragging = true
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end
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end
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if top and button == "l" then
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self: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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for k, v in ipairs(children) 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: mousereleased(x, y, button)
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- desc: called when the player releases a mouse button
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--]]---------------------------------------------------------
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function newobject:mousereleased(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 dragging = self.dragging
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local children = self.children
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local internals = self.internals
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-- exit the dragging state
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if dragging then
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self.dragging = false
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end
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for k, v in ipairs(internals) do
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v:mousereleased(x, y, button)
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end
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for k, v in ipairs(children) do
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v:mousereleased(x, y, button)
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end
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end
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--[[---------------------------------------------------------
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- func: SetName(name)
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- desc: sets the frame's name
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--]]---------------------------------------------------------
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function newobject:SetName(name)
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self.name = name
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end
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--[[---------------------------------------------------------
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- func: GetName()
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- desc: gets the frame's name
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--]]---------------------------------------------------------
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function newobject:GetName()
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return self.name
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end
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--[[---------------------------------------------------------
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- func: SetDraggable(true/false)
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- desc: sets whether the frame can be dragged or not
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--]]---------------------------------------------------------
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function newobject:SetDraggable(bool)
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self.draggable = bool
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end
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--[[---------------------------------------------------------
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- func: GetDraggable()
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- desc: gets whether the frame can be dragged ot not
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--]]---------------------------------------------------------
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function newobject:GetDraggable()
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return self.draggable
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end
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--[[---------------------------------------------------------
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- func: SetScreenLocked(bool)
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- desc: sets whether the frame can be moved passed the
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boundaries of the window or not
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--]]---------------------------------------------------------
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function newobject:SetScreenLocked(bool)
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self.screenlocked = bool
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end
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--[[---------------------------------------------------------
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- func: GetScreenLocked()
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- desc: gets whether the frame can be moved passed the
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boundaries of window or not
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--]]---------------------------------------------------------
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function newobject:GetScreenLocked()
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return self.screenlocked
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end
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--[[---------------------------------------------------------
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- func: ShowCloseButton(bool)
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- desc: sets whether the close button should be drawn
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--]]---------------------------------------------------------
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function newobject:ShowCloseButton(bool)
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local close = self.internals[1]
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close.visible = bool
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self.showclose = bool
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end
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--[[---------------------------------------------------------
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- func: MakeTop()
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- desc: makes the object the top object in the drawing
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order
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--]]---------------------------------------------------------
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function newobject:MakeTop()
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local x, y = love.mouse.getPosition()
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local key = 0
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local base = loveframes.base
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local basechildren = base.children
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local numbasechildren = #basechildren
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local parent = self.parent
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-- check to see if the object's parent is not the base object
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if parent ~= base then
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local baseparent = self:GetBaseParent()
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if baseparent.type == "frame" then
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baseparent:MakeTop()
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end
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return
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end
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-- check to see if the object is the only child of the base object
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if numbasechildren == 1 then
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return
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end
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-- check to see if the object is already at the top
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if basechildren[numbasechildren] == self then
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return
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end
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-- make this the top object
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for k, v in ipairs(basechildren) do
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if v == self then
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table.remove(basechildren, k)
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table.insert(basechildren, self)
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key = k
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break
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end
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end
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end
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--[[---------------------------------------------------------
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- func: SetModal(bool)
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- desc: makes the object the top object in the drawing
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order
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--]]---------------------------------------------------------
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function newobject:SetModal(bool)
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local modalobject = loveframes.modalobject
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local mbackground = self.modalbackground
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local parent = self.parent
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local base = loveframes.base
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if parent ~= base then
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return
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end
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self.modal = bool
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if bool then
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if modalobject then
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modalobject:SetModal(false)
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end
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loveframes.modalobject = self
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if not mbackground then
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self.modalbackground = loveframes.objects["modalbackground"]:new(self)
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self.modal = true
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end
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else
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if modalobject == self then
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loveframes.modalobject = false
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if mbackground then
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self.modalbackground:Remove()
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self.modalbackground = false
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self.modal = false
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end
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end
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end
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end
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--[[---------------------------------------------------------
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- func: GetModal()
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- desc: gets whether or not the object is in a modal
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state
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--]]---------------------------------------------------------
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function newobject:GetModal()
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return self.modal
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end
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--[[---------------------------------------------------------
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- func: SetVisible(bool)
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- desc: set's whether the object is visible or not
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--]]---------------------------------------------------------
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function newobject:SetVisible(bool)
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local children = self.children
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local internals = self.internals
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local closebutton = internals[1]
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self.visible = bool
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for k, v in ipairs(children) do
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v:SetVisible(bool)
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end
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if self.showclose then
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closebutton.visible = bool
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end
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end
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--[[---------------------------------------------------------
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- func: SetParentLocked(bool)
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- desc: sets whether the frame can be moved passed the
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boundaries of its parent or not
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--]]---------------------------------------------------------
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function newobject:SetParentLocked(bool)
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self.parentlocked = bool
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end
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--[[---------------------------------------------------------
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- func: GetParentLocked(bool)
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- desc: gets whether the frame can be moved passed the
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boundaries of its parent or not
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--]]---------------------------------------------------------
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function newobject:GetParentLocked()
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return self.parentlocked
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end
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--[[---------------------------------------------------------
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- func: SetIcon(icon)
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- desc: sets the object's icon
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--]]---------------------------------------------------------
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function newobject:SetIcon(icon)
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if type(icon) == "string" then
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self.icon = love.graphics.newImage(icon)
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else
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self.icon = icon
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end
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end
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--[[---------------------------------------------------------
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- func: GetIcon()
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- desc: gets the object's icon
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--]]---------------------------------------------------------
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function newobject:GetIcon()
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local icon = self.icon
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if icon then
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return icon
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end
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return false
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end |