61 lines
2.1 KiB
Lua
61 lines
2.1 KiB
Lua
-- view2D.lua : A basic 2D view for menus.
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-- Must be used as a subobject of a Menu
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--[[
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Copyright © 2019 Kazhnuz
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local View1D = require "birb.modules.menusystem.menus.views.view1D"
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local View2D = View1D:extend()
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function View2D:new(colNumber, lineNumber)
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self.colNumber = colNumber
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self.lineNumber = lineNumber
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View2D.super.new(self, (colNumber * lineNumber))
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end
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function View2D:updateFirstSlot(widgetID)
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local _, line = self:getCoord(widgetID)
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local _, beginline = self:getCoord(self.firstSlot)
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beginline = math.min(line, math.max(0, beginline, line - (self.lineNumber - 1)))
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self.view.firstSlot = (beginline * self.view.colNumber) + 1
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end
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-- INFO FUNCTIONS
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-- Get informations
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function View2D:getCoord(x)
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-- On simplifie les calcul en prenant 0 comme départ
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local x = x - 1
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local line, col
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line = math.floor(x / self.view.colNumber)
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col = x - (line * self.view.colNumber)
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return col, line
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end
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function View2D:getFromCoord(col, line)
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local _, beginline = self.view:getCoord(self.view.firstSlot)
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local line = beginline + line
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return (line * self.view.colNumber) + col + 1
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end
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return View2D
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