mirror of
https://github.com/TangentFoxy/Pop.Box.git
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294 lines
12 KiB
Plaintext
294 lines
12 KiB
Plaintext
--- A generic window element. Built-in support for minimize, maximize, and close
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--- buttons, as well as drag-to-resize and drag-to-move. Title bar customizable.
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--- @classmod window
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--- @copyright Paul Liverman III (2016)
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--- @license The MIT License (MIT)
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--- @todo Implement missing features.
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local pop
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import graphics, mouse from love
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path = (...)\sub 1, -7
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element = require "#{path}/element"
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import inheritsFromElement from require "#{path\sub 1, -11}/util"
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path = path\sub 1, -11
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maximizeImage = graphics.newImage "#{path}/images/maximize.png"
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minimizeImage = graphics.newImage "#{path}/images/minimize.png"
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closeImage = graphics.newImage "#{path}/images/close.png"
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-- drag to resize is based on area of padding, which defaults to 5 pixels
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class window extends element
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load: (pop_lib) ->
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pop = pop_lib
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--- Constructor expects nothing, or a data table describing it.
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--- @todo document containMethod values
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new: (@parent, @data={}, title="Window") =>
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super @parent, @data
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@data.type = "window" if @data.type == "element"
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@data.w = 100 unless @data.w > 0
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@data.h = 80 unless @data.h > 0
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-- how a window is contained within its parent element
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@data.containMethod = "mouse" unless @data.containMethod
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@data.maximized = false
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@data.titleBar = true if @data.titleBar == nil
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@data.maximizeable = false if @data.maximizeable == nil
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@data.minimizeable = false if @data.minimizeable == nil
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@data.closeable = false if @data.closeable == nil
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unless @data.previous
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@data.previous = {}
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@header = pop.box @, {type: "box (window header)"}, @data.titleBackground or {25, 180, 230, 255}
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@title = pop.text @header, {horizontal: "center", type: "text (window title)"}, title, @data.titleColor or {255, 255, 255, 255}
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@window_area = pop.box @, {padding: 5, type: "box (window area)"}, @data.windowBackground or {200, 200, 210, 255}
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-- buttons! :D
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@data.header_width_reduction = 0
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buttonSize = @title\getHeight! + 1
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if @data.closeable
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@closeButton = pop.box(@, {w: buttonSize, h: buttonSize, horizontalMargin: @data.header_width_reduction, type: "box (window close button)"}, closeImage)\align "right"
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@closeButton.clicked = (x, y, button) =>
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if button == pop.constants.left_mouse
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@parent\close!
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@data.header_width_reduction += buttonSize
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if @data.maximizeable
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@maximizeButton = pop.box(@, {w: buttonSize, h: buttonSize, horizontalMargin: @data.header_width_reduction, type: "box (window maximize button)"}, maximizeImage)\align "right"
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@maximizeButton.clicked = (x, y, button) =>
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if button == pop.constants.left_mouse
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@parent\maximize!
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--return nil --probably not needed
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@data.header_width_reduction += buttonSize
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if @data.minimizeable
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@minimizeButton = pop.box(@, {w: buttonSize, h: buttonSize, horizontalMargin: @data.header_width_reduction, type: "box (window minimize button)"}, minimizeImage)\align "right"
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@minimizeButton.clicked = (x, y, button) =>
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if button == pop.constants.left_mouse
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@parent\minimize!
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@data.header_width_reduction += buttonSize
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height = @title\getHeight! + 1
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@header\setSize @data.w - @data.header_width_reduction, height
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if @data.titleBar
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@window_area\setSize @data.w, @data.h - height
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@window_area\move nil, height
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else
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@header.data.draw = false
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@window_area.data.x = @data.x + @data.padding
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@window_area.data.y = @data.y + @data.padding
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@window_area.data.w = @data.w - @data.padding*2
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@window_area.data.h = @data.h - @data.padding*2
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-- window area steals mouse events to prevent propagation to elements under it
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@window_area.mousepressed = (x, y, button) =>
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if button == pop.constants.left_mouse
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grandparent = @parent.parent
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table.insert grandparent.child, table.remove(grandparent.child, grandparent\indexOf @parent)
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return nil
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@window_area.clicked = =>
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return nil
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-- @window_area.add = (element) =>
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-- pop.elements.box.__parent.add @, element
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-- --NOTE temporarily disabled
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-- -- this seems to be working but errors with previous == nil
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-- -- I have moved the intended functionality to the window element's function that calls these
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-- if false and inheritsFromElement element
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-- -- we need to adjust its position based on the previous element
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-- previous = @data.child[#@data.child-1]
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-- y, h = previous.y, previous.h
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-- y += h + @data.padding
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-- element.data.x = @data.x + @data.padding
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-- element.data.y = y
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-- element\setWidth @data.w - @data.padding*2
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--
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-- @window_area.remove = (element) =>
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-- pop.elements.box.__parent.remove @, element
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-- --TODO we need to adjust all elements' positions
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selected = false
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mx = 0
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my = 0
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@header.mousemoved = (x, y, dx, dy) =>
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if selected
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@parent\move dx, dy
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-- do not leave area of grandparent (based on containMethod)
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grandparent = @parent.parent
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switch @parent.data.containMethod
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when "title" -- the window title can't leave
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@parent\move(grandparent.data.x - @data.x) if @data.x < grandparent.data.x
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@parent\move(nil, grandparent.data.y - @data.y) if @data.y < grandparent.data.y
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@parent\move(grandparent.data.x + grandparent.data.w - (@data.x + @data.w)) if @data.x + @data.w > grandparent.data.x + grandparent.data.w
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@parent\move(nil, grandparent.data.y + grandparent.data.h - (@data.y + @data.h)) if @data.y + @data.h > grandparent.data.y + grandparent.data.h
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when "body" -- the entire window can't leave
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@parent\move(grandparent.data.x - @data.x) if @data.x < grandparent.data.x
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@parent\move(nil, grandparent.data.y - @data.y) if @data.y < grandparent.data.y
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@parent\move(grandparent.data.x + grandparent.data.w - (@parent.data.x + @parent.data.w)) if @parent.data.x + @parent.data.w > grandparent.data.x + grandparent.data.w
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@parent\move(nil, grandparent.data.y + grandparent.data.h - (@parent.data.y + @parent.data.h)) if @parent.data.y + @parent.data.h > grandparent.data.y + grandparent.data.h
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when "mouse" -- wherever the mouse has clicked can't leave
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@parent\setPosition(grandparent.data.x + @data.w - mx) if mouse.getX! < grandparent.data.x
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@parent\setPosition(nil, grandparent.data.y + @parent.data.h - my) if mouse.getY! < grandparent.data.y
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@parent\setPosition(grandparent.data.x + grandparent.data.w + @data.w - mx) if mouse.getX! > grandparent.data.x + grandparent.data.w
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@parent\setPosition(nil, grandparent.data.y + grandparent.data.h + @parent.data.h - my) if mouse.getY! > grandparent.data.y + grandparent.data.h
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return true
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return false
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@header.mousepressed = (x, y, button) =>
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if button == pop.constants.left_mouse
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grandparent = @parent.parent
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table.insert grandparent.child, table.remove(grandparent.child, grandparent\indexOf @parent)
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selected = true
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mx = x
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my = y
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return true
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return false
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@header.mousereleased = (x, y, button) =>
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if button == pop.constants.left_mouse
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selected = false
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return true
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return false
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@align!
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align: (...) =>
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unless @data.align return @
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super ...
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@header\align!
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@title\align!
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@window_area\align!
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if @closeButton
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@closeButton\align!
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if @maximizeButton
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@maximizeButton\align!
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if @minimizeButton
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@minimizeButton\align!
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if @data.titleBar
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@window_area\move nil, @header\getHeight!
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return @
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setSize: (w, h) =>
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x = 0
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y = 0
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if w
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switch @data.horizontal
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when "center"
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x -= (w - @data.w) / 2
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when "right"
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x -= w - @data.w
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@header\setWidth w - @data.header_width_reduction
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@window_area\setWidth w
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@data.w = w
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@data.x += x
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@title\align!
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if h
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switch @data.vertical
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when "center"
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y -= (h - @data.h) / 2
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when "right"
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y -= h - @data.h
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if @data.titleBar
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@window_area\setHeight h - @header\getHeight!
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@window_area\move nil, @header\getHeight!
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else
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@window_area\setHeight h
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@data.h = h
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@data.y += y
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@header\move x, y
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@window_area\move x, y
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return @
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setWidth: (w) =>
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return @setSize w
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setHeight: (h) =>
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return @setSize nil, h
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setPadding: (padding) =>
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@window_area\setPadding padding
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return @
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getPadding: =>
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return @window_area\getPadding!
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add: (element) =>
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@window_area\add element
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x, y = @window_area.data.x, @window_area.data.y
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--for element in *@window_area.child
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--element\setWidth @data.w - @data.padding*2
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--TODO needs to align them vertically with appropriate padding (I am not taking margin into account which is bad)
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return @
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-- @window_area.add = (element) =>
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-- pop.elements.box.__parent.add @, element
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-- --NOTE temporarily disabled
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-- -- this seems to be working but errors with previous == nil
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-- -- I have moved the intended functionality to the window element's function that calls these
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-- if false and inheritsFromElement element
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-- -- we need to adjust its position based on the previous element
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-- previous = @data.child[#@data.child-1]
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-- y, h = previous.y, previous.h
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-- y += h + @data.padding
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-- element.data.x = @data.x + @data.padding
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-- element.data.y = y
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-- element\setWidth @data.w - @data.padding*2
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--
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-- @window_area.remove = (element) =>
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-- pop.elements.box.__parent.remove @, element
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-- --TODO we need to adjust all elements' positions
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remove: (element) =>
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@window_area\remove element
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return @
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--NOTE was this even used?
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--childAdded: (element) =>
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-- table.insert @window_area.data, table.remove @data.child, @dataIndexOf element.data
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-- table.insert @window_area, table.remove @child, @indexOf element
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-- element\align!
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-- print "worked?"
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-- return @
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maximize: =>
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if @data.maximized
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@setSize @data.previous.w, @data.previous.h
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@align!
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@move @data.previous.x - @data.x, @data.previous.y - @data.y
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else
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@data.previous.x = @data.x
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@data.previous.y = @data.y
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@data.previous.w = @data.w
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@data.previous.h = @data.h
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@data.x = @parent.data.x
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@data.y = @parent.data.y
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@setSize @parent.data.w, @parent.data.h
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table.insert @parent.child, table.remove(@parent.child, @parent\indexOf @)
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@align!
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@data.maximized = not @data.maximized
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return @
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minimize: =>
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@data.draw = false
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return @
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close: =>
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@delete!
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