149 lines
3.8 KiB
Lua
149 lines
3.8 KiB
Lua
local BASE = (...):gsub('choice', '')
|
|
|
|
local Widget = require(BASE..'widget')
|
|
local core = require(BASE..'core')
|
|
|
|
local shadowtext = require 'lib.gear.shadowtext'
|
|
local T = require('lib.moonspeak').translate
|
|
|
|
local Choice = setmetatable({}, Widget)
|
|
Choice.__index = Choice
|
|
|
|
|
|
function Choice.new(args)
|
|
local self = setmetatable(args, Choice)
|
|
|
|
self.align = self.align or 'center'
|
|
self.valign = self.valign or 'center'
|
|
self.cornerRadius = self.cornerRadius or core.theme.cornerRadius
|
|
self.color = self.color or core.theme.color
|
|
self.hovered = false
|
|
self.choices = self.choices or { "" }
|
|
self.nowrap = self.nowrap or #self.choices == 0
|
|
self.index = 1 -- by default
|
|
|
|
for i,choice in ipairs(self.choices) do
|
|
-- Expand shorthands
|
|
if type(choice) ~= 'table' then
|
|
choice = {
|
|
text = tostring(choice),
|
|
notranslate = type(choice) ~= 'string',
|
|
value = choice
|
|
}
|
|
|
|
self.choices[i] = choice
|
|
end
|
|
-- Mark default choice if needed
|
|
if choice.value == self.default then
|
|
self.index = i
|
|
end
|
|
-- Translate choice
|
|
if not (self.notranslate or choice.notranslate) then
|
|
choice.text = T(choice.text)
|
|
end
|
|
end
|
|
return self
|
|
end
|
|
|
|
function Choice:checkIndex()
|
|
if self.nowrap then
|
|
self.index = math.min(math.max(self.index, 1), #self.choices)
|
|
else
|
|
if self.index < 1 then
|
|
self.index = #self.choices
|
|
end
|
|
if self.index > #self.choices then
|
|
self.index = 1
|
|
end
|
|
end
|
|
end
|
|
|
|
function Choice:onActionInput(action)
|
|
local oldindex = self.index
|
|
local handled = false
|
|
|
|
-- Change choice
|
|
if action.left then
|
|
self.index = oldindex - 1
|
|
handled = true
|
|
end
|
|
if action.right then
|
|
self.index = oldindex + 1
|
|
handled = true
|
|
end
|
|
if not handled then
|
|
return false
|
|
end
|
|
|
|
-- Apply wrapping
|
|
self:checkIndex()
|
|
|
|
-- Fire event if necessary
|
|
if oldindex ~= self.index then
|
|
self:onChange(self.choices[self.index])
|
|
end
|
|
return true
|
|
end
|
|
|
|
function Choice:onPointerInput(px,py, clicked)
|
|
self:grabFocus()
|
|
if not clicked then
|
|
return
|
|
end
|
|
|
|
local mx = px - self.x
|
|
local oldindex = self.index
|
|
|
|
-- Test whether arrows are hit
|
|
-- NOTE: don't care about arrows being disabled, checkIndex() will fix that.
|
|
if mx <= self.h+2 then
|
|
self.index = self.index - 1
|
|
elseif mx >= self.w - self.h-2 then
|
|
self.index = self.index + 1
|
|
end
|
|
|
|
self:checkIndex()
|
|
if oldindex ~= self.index then
|
|
self:onChange(self.choices[self.index])
|
|
end
|
|
end
|
|
|
|
function Choice:draw()
|
|
local x,y,w,h = self.x,self.y,self.w,self.h
|
|
local font = self.font or love.graphics.getFont()
|
|
local c = self:colorForState()
|
|
|
|
core.drawBox(x,y,w,h, c, self.cornerRadius)
|
|
|
|
if self.ui.focused == self then
|
|
-- draw < and > arrows, desaturate color if arrow is disabled
|
|
local cc = self.color.hovered
|
|
|
|
love.graphics.setLineStyle('smooth')
|
|
love.graphics.setLineWidth(3)
|
|
love.graphics.setLineJoin('bevel')
|
|
|
|
local r, g, b = cc.fg[1], cc.fg[2], cc.fg[3]
|
|
local a = (self.nowrap and self.index == 1) and 0.4 or 1
|
|
|
|
love.graphics.setColor(r,g,b,a)
|
|
love.graphics.line(x+h*.8,y+h*.2, x+h*.5,y+h*.5, x+h*.8,y+h*.8)
|
|
|
|
a = (self.nowrap and self.index == #self.choices) and 0.4 or 1
|
|
|
|
love.graphics.setColor(r,g,b,a)
|
|
love.graphics.line(x+w-h*.8,y+h*.2, x+w-h*.5,y+h*.5, x+w-h*.8,y+h*.8)
|
|
end
|
|
|
|
-- draw text
|
|
local text = self.choices[self.index].text
|
|
|
|
y = y + core.verticalOffsetForAlign(self.valign, font, h)
|
|
|
|
love.graphics.setColor(c.fg)
|
|
love.graphics.setFont(font)
|
|
shadowtext.printf(text, x+h+2, y, w-2*(h + 2), self.align)
|
|
end
|
|
|
|
return Choice
|