140 lines
4.2 KiB
Lua
140 lines
4.2 KiB
Lua
-- flowbox :: flexible box menu, that handle in grid the widgets
|
|
|
|
--[[
|
|
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 cwd = (...):gsub('%.flowbox$', '') .. "."
|
|
|
|
local Menu = require(cwd .. "parent")
|
|
local FlowBox = Menu:extend()
|
|
|
|
local View2D = require(cwd .. "views.view2D")
|
|
|
|
-- INIT FUNCTIONS
|
|
-- Initialize and configure the flowbox
|
|
|
|
function FlowBox:new(menusystem, name, x, y, w, h, slots_hor, slots_vert)
|
|
self.view = View2D(slots_hor, slots_vert)
|
|
FlowBox.super.new(self, menusystem, name, x, y, w, h)
|
|
self:setRealSize()
|
|
end
|
|
|
|
function FlowBox:setRealSize()
|
|
-- On fait en sorte que la hauteur et la largeur
|
|
-- soit un multiple du nombre de slot et de leur dimensions
|
|
self:updateWidgetSize()
|
|
self.w = self.view.colNumber * self.widgetSize.w
|
|
self.h = self.view.lineNumber * self.widgetSize.h
|
|
end
|
|
|
|
-- UPDATE FUNCTIONS
|
|
-- Update the menu and its view
|
|
|
|
function FlowBox:updateWidgetSize()
|
|
self.widgetSize.h = math.floor( self.h / self.view.lineNumber )
|
|
self.widgetSize.w = math.floor( self.w / self.view.colNumber )
|
|
end
|
|
|
|
function FlowBox:update(dt)
|
|
self.view:updateFirstSlot(self.widget:getSelected())
|
|
end
|
|
|
|
-- CURSOR FUNCTIONS
|
|
-- Handle the cursor in a 2D menu
|
|
|
|
function FlowBox:moveCursor2D(new_col, new_line)
|
|
local lastcol, lastline = self.view:getCoord(self.widget:lenght())
|
|
|
|
new_line = utils.math.wrapAndLimit(new_line, 0, lastline)
|
|
|
|
if (new_line == lastline) then
|
|
new_col = utils.math.wrapAndLimit(new_col, 0, lastcol)
|
|
else
|
|
new_col = utils.math.wrapAndLimit(new_col, 0, (self.view.colNumber - 1))
|
|
end
|
|
|
|
self.widget:moveCursor((new_line * self.view.colNumber) + new_col + 1)
|
|
end
|
|
|
|
-- KEYS FUNCTIONS
|
|
-- Handle the keyboard/controller inputs
|
|
|
|
function FlowBox:moveByKeys(key)
|
|
local col, line = self.view:getCoord(self.widget:getSelected())
|
|
if key == 'left' then
|
|
self:moveCursor2D(col - 1, line)
|
|
end
|
|
|
|
if key == 'right' then
|
|
self:moveCursor2D(col + 1, line)
|
|
end
|
|
|
|
if key == 'up' then
|
|
self:moveCursor2D(col, line - 1)
|
|
end
|
|
|
|
if key == 'down' then
|
|
self:moveCursor2D(col, line + 1)
|
|
end
|
|
end
|
|
|
|
-- POSITION FUNCTIONS
|
|
-- Get a widget by a position.
|
|
|
|
function FlowBox:getWidgetAtPoint(x, y)
|
|
local col = math.floor(x / self.widgetSize.w)
|
|
local line = math.floor(y / self.widgetSize.h)
|
|
return self.view:getFromCoord(col, line)
|
|
end
|
|
|
|
-- DRAW FUNCTIONS
|
|
-- Draw the menu and its content
|
|
|
|
function FlowBox:draw()
|
|
self.view:updateFirstSlot(self.widget:getSelected())
|
|
local widgety = self.y
|
|
local widgetx = self.x
|
|
|
|
local listWidget = self.widget:getList(self.view.firstSlot, self.view.slotNumber)
|
|
|
|
for _, widget in ipairs(listWidget) do
|
|
widget:drawWidget(widgetx, widgety, self.w, self.widgetSize.h)
|
|
|
|
-- On calcule la position du prochain widget
|
|
widgetx = widgetx + self.widgetSize.w
|
|
if widgetx >= (self.x + self.w) then
|
|
widgetx = self.x
|
|
widgety = widgety + self.widgetSize.h
|
|
end
|
|
end
|
|
end
|
|
|
|
function FlowBox:getGraphicalCursorPosition()
|
|
self.view:updateFirstSlot(self.widget:getSelected())
|
|
local _, beginline = self.view:getCoord(self.view.firstSlot)
|
|
local w, h = self:getWidgetSize()
|
|
local col, line = self.view:getCoord(self.widget:getSelected())
|
|
local x = (col) * h
|
|
local y = (line - beginline) * h
|
|
return self.x + x, self.y + y, w, h
|
|
end
|
|
|
|
return FlowBox
|