sonic-bluestreak/sonic-boost.love/core/modules/menusystem/flowbox.lua

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local cwd = (...):gsub('%.flowbox$', '') .. "."
local Menu = require(cwd .. "parent")
FlowBox = Menu:extend()
function FlowBox:new(menusystem, name, x, y, w, h, slots_hor, slots_vert)
self.slots = slots_hor * slots_vert
self.slots_hor = slots_hor
self.slots_vert = slots_vert
ListBox.super.new(self, menusystem, name, x, y, w, h)
self.begin = 1
self.widget.h = math.floor( self.h / slots_vert )
self.widget.w = math.floor( self.w / slots_hor )
self.h = slots_vert * self.widget.h -- On fait en sorte que la hauteur
self.w = slots_hor * self.widget.w -- et la largeur
-- soit un multiple du nombre de slot et de leur dimensions
end
function FlowBox:updateWidgetSize()
self.widget.h = math.floor( self.h / self.slots_vert )
self.widget.w = math.floor( self.w / self.slots_hor )
end
function FlowBox:update(dt)
local col, line = self:getCoord(self.widget.selected)
local begincol, beginline = self:getCoord(self.begin)
if line < beginline then
beginline = line
end
if line > beginline + self.slots_vert - 1 then
beginline = line - self.slots_vert + 1
end
if beginline < 0 then
beginline = 0
end
self.begin = beginline * self.slots_hor + 1
end
function FlowBox:getCoord(id_selected)
id_selected = id_selected - 1 -- On simplifie les calcul en prenant 0 comme départ
local line, col
line = math.floor(id_selected / self.slots_hor)
col = id_selected - (line * self.slots_hor)
return col, line
end
function FlowBox:moveCursor(new_col, new_line)
local col, line = self:getCoord(self.widget.selected)
local lastcol, lastline = self:getCoord(#self.widget.list)
if new_line < 0 then
new_line = lastline
end
if new_line > lastline then
new_line = 0
end
if (new_line == lastline) then
if new_col < 0 then
new_col = lastcol
end
if new_col > lastcol then
if (line == lastline) then
new_col = 0
else
new_col = lastcol
end
end
else
if new_col < 0 then
new_col = self.slots_hor - 1
end
if new_col == self.slots_hor then
new_col = 0
end
end
self.widget.selected = (new_line * self.slots_hor) + new_col + 1
end
function FlowBox:keyreleased(key, code)
local col, line = self:getCoord(self.widget.selected)
if key == 'left' then
self:moveCursor(col - 1, line)
end
if key == 'right' then
self:moveCursor(col + 1, line)
end
if key == 'up' then
self:moveCursor(col, line - 1)
end
if key == 'down' then
self:moveCursor(col, line + 1)
end
if key == "A" then
self.widget.list[self.widget.selected]:action()
end
end
function FlowBox:mousemoved(x, y)
local col, line = self:getCoord(self.widget.selected)
local begincol, beginline = self:getCoord(self.begin)
local newcol, newline, widget_selected
newline = beginline + math.floor(y / self.widget.h)
newcol = math.floor(x / self.widget.w)
widget_selected = (newline * self.slots_hor) + newcol + 1
if widget_selected >= 1 and widget_selected <= #self.widget.list then
self.widget.selected = widget_selected
self:getFocus()
end
end
function FlowBox:mousepressed(x, y, button, isTouch)
local col, line = self:getCoord(self.widget.selected)
local begincol, beginline = self:getCoord(self.begin)
local newline, newcol, widget_selected
newline = beginline + math.floor(y / self.widget.h)
newcol = math.floor(x / self.widget.w)
widget_selected = (newline * self.slots_hor) + newcol + 1
if widget_selected >= 1 and widget_selected <= #self.widget.list then
self.widget.selected = widget_selected
self:getFocus()
self.widget.list[self.widget.selected]:action()
end
end
function FlowBox:draw()
local widgety = self.y
local widgetx = self.x
for i,v in ipairs(self.widget.list) do
if (i >= self.begin) and (i < self.begin + self.slots) then
v:draw(widgetx, widgety, self.widget.w, self.widget.h)
if self.widget.selected == i and self:haveFocus() == true then
v:drawSelected(widgetx, widgety, self.widget.w, self.widget.h)
else
v:draw(widgetx, widgety, self.widget.w, self.widget.h)
end
widgetx = widgetx + self.widget.w
if widgetx == (self.x + self.w) then
widgetx = self.x
widgety = widgety + self.widget.h
end
end
end
end
return FlowBox