epervier-old/framework/modules/gui/menus/widgets/text.lua

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-- widgets/text.lua :: basic text widget object
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local BaseWidget = require "framework.modules.gui.menus.widgets.base"
local TextWidget = BaseWidget:extend()
-- TEXT WIDGET
-- Simple text widget
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function TextWidget:new(menuName, font, label, position, padding)
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TextWidget.super.new(self, menuName)
self.font = font
self.labels = {}
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self.padding = padding or 0
-- We add the first label
local position = position or "center"
self:addLabel(label, position)
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self:setColor(1, 1, 1)
end
function TextWidget:addLabel(label, position)
local complexLabel = {}
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assert(label ~= nil, "Label can't be nil")
complexLabel.label = label
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complexLabel.position = position or "left"
table.insert(self.labels, complexLabel)
end
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function TextWidget:replaceLabel(id, newLabel)
self.labels[id].label = newLabel
end
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function TextWidget:setColor(r, g, b)
self.color = {}
self.color.r = r
self.color.g = g
self.color.b = b
end
function TextWidget:setSelectedColor(r, g, b)
self.selectedColor = {}
self.selectedColor.r = r
self.selectedColor.g = g
self.selectedColor.b = b
end
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function TextWidget:getFont()
return self.assets:getFont(self.font)
end
function TextWidget:getSelectedColor()
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if (self.selectedColor ~= nil) then
return self.selectedColor.r, self.selectedColor.g, self.selectedColor.b
else
return self:getColor()
end
end
function TextWidget:getColor()
return self.color.r, self.color.g, self.color.b
end
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function TextWidget:getPadding()
return self.padding
end
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function TextWidget:getPaddingLeft()
return self.paddingLeft or self:getPadding()
end
function TextWidget:getPaddingRight()
return self.paddingRight or self:getPadding()
end
function TextWidget:drawCanvas()
local w, h
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local font = self:getFont()
h = math.floor(self.height / 2) - (font:getHeight() / 2)
for _, complexLabel in pairs(self.labels) do
if (complexLabel.position == "center") then
w = math.floor(self.width / 2)
elseif (complexLabel.position == "left") then
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w = self:getPaddingLeft()
elseif (complexLabel.position == "right") then
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w = math.floor(self.width - self:getPaddingRight())
else
error("Position " .. complexLabel.position .. " is unknown for label " .. complexLabel.label)
end
font:draw(complexLabel.label, w, h, -1, complexLabel.position)
end
end
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function TextWidget:draw(x, y, w, h)
local r, g, b = self:getColor()
love.graphics.setColor(r, g, b, 1)
if self.canvas.texture ~= nil then
love.graphics.draw(self.canvas.texture, x, y)
end
utils.graphics.resetColor()
end
function TextWidget:drawSelected(x, y, w, h)
local r, g, b = self:getSelectedColor()
love.graphics.setColor(r, g, b, 1)
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if self.canvas.texture ~= nil then
love.graphics.draw(self.canvas.texture, x, y)
end
utils.graphics.resetColor()
end
return TextWidget