680 lines
24 KiB
Lua
680 lines
24 KiB
Lua
local elementManager = require("elementManager")
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local errorManager = require("errorManager")
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local VisualElement = elementManager.getElement("VisualElement")
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local expect = require("libraries/expect")
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local split = require("libraries/utils").split
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---@configDescription The container class. It is a visual element that can contain other elements. It is the base class for all containers
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---@configDefault true
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--- The container class. It is a visual element that can contain other elements. It is the base class for all containers,
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--- like Frames, BaseFrames, and more.
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---@class Container : VisualElement
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local Container = setmetatable({}, VisualElement)
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Container.__index = Container
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---@property children table {} The children of the container
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Container.defineProperty(Container, "children", {default = {}, type = "table"})
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---@property childrenSorted boolean true Whether the children are sorted
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Container.defineProperty(Container, "childrenSorted", {default = true, type = "boolean"})
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---@property childrenEventsSorted boolean true Whether the children events are sorted
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Container.defineProperty(Container, "childrenEventsSorted", {default = true, type = "boolean"})
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---@property childrenEvents table {} The children events of the container
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Container.defineProperty(Container, "childrenEvents", {default = {}, type = "table"})
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---@property eventListenerCount table {} The event listener count of the container
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Container.defineProperty(Container, "eventListenerCount", {default = {}, type = "table"})
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---@property focusedChild table nil The focused child of the container
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Container.defineProperty(Container, "focusedChild", {default = nil, type = "table", setter = function(self, value, internal)
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local oldChild = self._values.focusedChild
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if value == oldChild then return value end
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if oldChild then
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if oldChild:isType("Container") then
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oldChild.set("focusedChild", nil, true)
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end
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oldChild.set("focused", false, true)
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end
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if value and not internal then
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value.set("focused", true, true)
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if self.parent then
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self.parent:setFocusedChild(self)
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end
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end
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return value
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end})
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---@property visibleChildren table {} The visible children of the container
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Container.defineProperty(Container, "visibleChildren", {default = {}, type = "table"})
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---@property visibleChildrenEvents table {} The visible children events of the container
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Container.defineProperty(Container, "visibleChildrenEvents", {default = {}, type = "table"})
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---@property offsetX number 0 Horizontal content offset
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Container.defineProperty(Container, "offsetX", {default = 0, type = "number", canTriggerRender = true, setter=function(self, value)
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self.set("childrenSorted", false)
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self.set("childrenEventsSorted", false)
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return value
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end})
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---@property offsetY number 0 Vertical content offset
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Container.defineProperty(Container, "offsetY", {default = 0, type = "number", canTriggerRender = true, setter=function(self, value)
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self.set("childrenSorted", false)
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self.set("childrenEventsSorted", false)
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return value
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end})
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---@combinedProperty offset {offsetX number, offsetY number} Combined property for offsetX and offsetY
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Container.combineProperties(Container, "offset", "offsetX", "offsetY")
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for k, _ in pairs(elementManager:getElementList()) do
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local capitalizedName = k:sub(1,1):upper() .. k:sub(2)
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if capitalizedName ~= "BaseFrame" then
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Container["add"..capitalizedName] = function(self, ...)
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expect(1, self, "table")
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local element = self.basalt.create(k, ...)
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self:addChild(element)
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element:postInit()
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return element
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end
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Container["addDelayed"..capitalizedName] = function(self, prop)
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expect(1, self, "table")
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local element = self.basalt.create(k, prop, true, self)
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return element
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end
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end
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end
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--- Creates a new Container instance
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--- @shortDescription Creates a new Container instance
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--- @return Container self The new container instance
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--- @private
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function Container.new()
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local self = setmetatable({}, Container):__init()
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return self
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end
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--- @shortDescription Initializes the Container instance
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--- @param props table The properties to initialize the element with
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--- @param basalt table The basalt instance
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--- @protected
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function Container:init(props, basalt)
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VisualElement.init(self, props, basalt)
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self.set("type", "Container")
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end
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--- Returns whether a child is visible
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--- @shortDescription Returns whether a child is visible
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--- @param child table The child to check
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--- @return boolean boolean the child is visible
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function Container:isChildVisible(child)
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if(child.get("visible") == false)then return false end
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local containerW, containerH = self.get("width"), self.get("height")
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local offsetX, offsetY = self.get("offsetX"), self.get("offsetY")
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local childX, childY = child.get("x"), child.get("y")
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local childW, childH = child.get("width"), child.get("height")
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local relativeX
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local relativeY
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if(child.get("ignoreOffset"))then
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relativeX = childX
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relativeY = childY
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else
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relativeX = childX - offsetX
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relativeY = childY - offsetY
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end
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return (relativeX + childW > 0) and
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(relativeX <= containerW) and
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(relativeY + childH > 0) and
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(relativeY <= containerH)
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end
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--- Adds a child to the container
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--- @shortDescription Adds a child to the container
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--- @param child table The child to add
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--- @return Container self The container instance
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function Container:addChild(child)
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if child == self then
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error("Cannot add container to itself")
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end
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table.insert(self._values.children, child)
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child.parent = self
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self.set("childrenSorted", false)
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self:registerChildrenEvents(child)
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return self
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end
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local function sortAndFilterChildren(self, children)
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local visibleChildren = {}
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for _, child in ipairs(children) do
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if self:isChildVisible(child) and child.get("visible") then
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table.insert(visibleChildren, child)
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end
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end
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for i = 2, #visibleChildren do
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local current = visibleChildren[i]
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local currentZ = current.get("z")
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local j = i - 1
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while j > 0 do
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local compare = visibleChildren[j].get("z")
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if compare > currentZ then
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visibleChildren[j + 1] = visibleChildren[j]
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j = j - 1
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else
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break
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end
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end
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visibleChildren[j + 1] = current
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end
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return visibleChildren
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end
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--- Clears the container
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--- @shortDescription Clears the container
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--- @return Container self The container instance
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function Container:clear()
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self.set("children", {})
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self.set("childrenEvents", {})
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self.set("visibleChildren", {})
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self.set("visibleChildrenEvents", {})
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self.set("childrenSorted", true)
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self.set("childrenEventsSorted", true)
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return self
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end
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--- Sorts the children of the container
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--- @shortDescription Sorts the children of the container
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--- @return Container self The container instance
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function Container:sortChildren()
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self.set("visibleChildren", sortAndFilterChildren(self, self._values.children))
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self.set("childrenSorted", true)
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return self
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end
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--- Sorts the children events of the container
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--- @shortDescription Sorts the children events of the container
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--- @param eventName string The event name to sort
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--- @return Container self The container instance
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function Container:sortChildrenEvents(eventName)
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if self._values.childrenEvents[eventName] then
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self._values.visibleChildrenEvents[eventName] = sortAndFilterChildren(self, self._values.childrenEvents[eventName])
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end
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self.set("childrenEventsSorted", true)
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return self
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end
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--- Registers the children events of the container
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--- @shortDescription Registers the children events of the container
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--- @param child table The child to register events for
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--- @return Container self The container instance
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function Container:registerChildrenEvents(child)
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if(child._registeredEvents == nil)then return end
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for event in pairs(child._registeredEvents) do
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self:registerChildEvent(child, event)
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end
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return self
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end
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--- Registers the children events of the container
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--- @shortDescription Registers the children events of the container
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--- @param child table The child to register events for
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--- @param eventName string The event name to register
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--- @return Container self The container instance
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function Container:registerChildEvent(child, eventName)
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if not self._values.childrenEvents[eventName] then
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self._values.childrenEvents[eventName] = {}
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self._values.eventListenerCount[eventName] = 0
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if self.parent then
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self.parent:registerChildEvent(self, eventName)
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end
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end
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for _, registeredChild in ipairs(self._values.childrenEvents[eventName]) do
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if registeredChild == child then
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return self
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end
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end
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self.set("childrenEventsSorted", false)
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table.insert(self._values.childrenEvents[eventName], child)
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self._values.eventListenerCount[eventName] = self._values.eventListenerCount[eventName] + 1
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return self
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end
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--- Unregisters the children events of the container
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--- @shortDescription Unregisters the children events of the container
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--- @param child table The child to unregister events for
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--- @return Container self The container instance
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function Container:removeChildrenEvents(child)
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if(child._registeredEvents == nil)then return self end
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for event in pairs(child._registeredEvents) do
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self:unregisterChildEvent(child, event)
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end
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return self
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end
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--- Unregisters the children events of the container
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--- @shortDescription Unregisters the children events of the container
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--- @param child table The child to unregister events for
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--- @param eventName string The event name to unregister
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--- @return Container self The container instance
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function Container:unregisterChildEvent(child, eventName)
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if self._values.childrenEvents[eventName] then
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for i, listener in ipairs(self._values.childrenEvents[eventName]) do
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if listener == child then
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table.remove(self._values.childrenEvents[eventName], i)
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self._values.eventListenerCount[eventName] = self._values.eventListenerCount[eventName] - 1
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if self._values.eventListenerCount[eventName] <= 0 then
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self._values.childrenEvents[eventName] = nil
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self._values.eventListenerCount[eventName] = nil
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if self.parent then
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self.parent:unregisterChildEvent(self, eventName)
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end
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end
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self.set("childrenEventsSorted", false)
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self:updateRender()
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break
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end
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end
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end
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return self
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end
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--- Removes a child from the container
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--- @shortDescription Removes a child from the container
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--- @param child table The child to remove
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--- @return Container self The container instance
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function Container:removeChild(child)
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for i,v in ipairs(self._values.children) do
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if v == child then
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table.remove(self._values.children, i)
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child.parent = nil
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break
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end
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end
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self:removeChildrenEvents(child)
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self:updateRender()
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self.set("childrenSorted", false)
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return self
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end
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--- Removes a child from the container
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--- @shortDescription Removes a child from the container
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--- @param path string The path to the child to remove
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--- @return Container? self The container instance
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function Container:getChild(path)
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if type(path) == "string" then
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local parts = split(path, "/")
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for _,v in pairs(self._values.children) do
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if v.get("name") == parts[1] then
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if #parts == 1 then
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return v
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else
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if(v:isType("Container"))then
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return v:find(table.concat(parts, "/", 2))
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end
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end
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end
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end
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end
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return nil
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end
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local function convertMousePosition(self, event, ...)
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local args = {...}
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if event:find("mouse_") then
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local button, absX, absY = ...
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local xOffset, yOffset = self.get("offsetX"), self.get("offsetY")
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local relX, relY = self:getRelativePosition(absX + xOffset, absY + yOffset)
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args = {button, relX, relY}
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end
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return args
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end
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--- Calls a event on all children
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--- @shortDescription Calls a event on all children
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--- @param visibleOnly boolean Whether to only call the event on visible children
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--- @param event string The event to call
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--- @vararg any The event arguments
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--- @return boolean handled Whether the event was handled
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--- @return table? child The child that handled the event
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function Container:callChildrenEvent(visibleOnly, event, ...)
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local children = visibleOnly and self.get("visibleChildrenEvents") or self.get("childrenEvents")
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if children[event] then
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local events = children[event]
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for i = #events, 1, -1 do
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local child = events[i]
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if(child:dispatchEvent(event, ...))then
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return true, child
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end
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end
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end
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if(children["*"])then
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local events = children["*"]
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for i = #events, 1, -1 do
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local child = events[i]
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if(child:dispatchEvent(event, ...))then
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return true, child
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end
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end
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end
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return false
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end
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--- @shortDescription Default handler for events
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--- @param event string The event to handle
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--- @vararg any The event arguments
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:handleEvent(event, ...)
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VisualElement.handleEvent(self, event, ...)
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local args = convertMousePosition(self, event, ...)
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return self:callChildrenEvent(false, event, table.unpack(args))
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end
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--- @shortDescription Handles mouse click events
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--- @param button number The button that was clicked
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:mouse_click(button, x, y)
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if VisualElement.mouse_click(self, button, x, y) then
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local args = convertMousePosition(self, "mouse_click", button, x, y)
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local success, child = self:callChildrenEvent(true, "mouse_click", table.unpack(args))
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if(success)then
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self.set("focusedChild", child)
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return true
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end
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self.set("focusedChild", nil)
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return true
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end
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return false
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end
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--- @shortDescription Handles mouse up events
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--- @param button number The button that was clicked
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:mouse_up(button, x, y)
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if VisualElement.mouse_up(self, button, x, y) then
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local args = convertMousePosition(self, "mouse_up", button, x, y)
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local success, child = self:callChildrenEvent(true, "mouse_up", table.unpack(args))
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if(success)then
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return true
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end
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end
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return false
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end
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--- @shortDescription Handles mouse release events
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--- @param button number The button that was clicked
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @protected
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function Container:mouse_release(button, x, y)
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VisualElement.mouse_release(self, button, x, y)
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local args = convertMousePosition(self, "mouse_release", button, x, y)
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self:callChildrenEvent(false, "mouse_release", table.unpack(args))
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end
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--- @shortDescription Handles mouse move events
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--- @param _ number unknown
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:mouse_move(_, x, y)
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if VisualElement.mouse_move(self, _, x, y) then
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local args = convertMousePosition(self, "mouse_move", _, x, y)
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local success, child = self:callChildrenEvent(true, "mouse_move", table.unpack(args))
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if(success)then
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return true
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end
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end
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return false
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end
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--- @shortDescription Handles mouse drag events
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--- @param button number The button that was clicked
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:mouse_drag(button, x, y)
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if VisualElement.mouse_drag(self, button, x, y) then
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local args = convertMousePosition(self, "mouse_drag", button, x, y)
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local success, child = self:callChildrenEvent(true, "mouse_drag", table.unpack(args))
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if(success)then
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return true
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end
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end
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return false
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end
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--- @shortDescription Handles mouse scroll events
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--- @param direction number The direction of the scroll
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--- @param x number The x position of the click
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--- @param y number The y position of the click
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:mouse_scroll(direction, x, y)
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local args = convertMousePosition(self, "mouse_scroll", direction, x, y)
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local success, child = self:callChildrenEvent(true, "mouse_scroll", table.unpack(args))
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if(success)then
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return true
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end
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if(VisualElement.mouse_scroll(self, direction, x, y))then
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return true
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end
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return false
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end
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--- @shortDescription Handles key events
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--- @param key number The key that was pressed
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:key(key)
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if self.get("focusedChild") then
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return self.get("focusedChild"):dispatchEvent("key", key)
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end
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return true
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end
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--- @shortDescription Handles char events
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--- @param char string The character that was pressed
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:char(char)
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if self.get("focusedChild") then
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return self.get("focusedChild"):dispatchEvent("char", char)
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end
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return true
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end
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--- @shortDescription Handles key up events
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--- @param key number The key that was released
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--- @return boolean handled Whether the event was handled
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--- @protected
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function Container:key_up(key)
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if self.get("focusedChild") then
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return self.get("focusedChild"):dispatchEvent("key_up", key)
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end
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return true
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end
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--- @shortDescription Draws multiple lines of text, fg and bg strings
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--- @param x number The x position to draw the text
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--- @param y number The y position to draw the text
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--- @param width number The width of the text
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--- @param height number The height of the text
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--- @param text string The text to draw
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--- @param fg string The foreground color of the text
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--- @param bg string The background color of the text
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--- @return Container self The container instance
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--- @protected
|
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function Container:multiBlit(x, y, width, height, text, fg, bg)
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local w, h = self.get("width"), self.get("height")
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|
|
|
width = x < 1 and math.min(width + x - 1, w) or math.min(width, math.max(0, w - x + 1))
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height = y < 1 and math.min(height + y - 1, h) or math.min(height, math.max(0, h - y + 1))
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|
|
|
if width <= 0 or height <= 0 then return self end
|
|
|
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VisualElement.multiBlit(self, math.max(1, x), math.max(1, y), width, height, text, fg, bg)
|
|
return self
|
|
end
|
|
|
|
--- @shortDescription Draws a line of text and fg as color
|
|
--- @param x number The x position to draw the text
|
|
--- @param y number The y position to draw the text
|
|
--- @param text string The text to draw
|
|
--- @param fg color The foreground color of the text
|
|
--- @return Container self The container instance
|
|
--- @protected
|
|
function Container:textFg(x, y, text, fg)
|
|
local w, h = self.get("width"), self.get("height")
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|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#text - textStart + 1, w - math.max(1, x) + 1)
|
|
|
|
if textLen <= 0 then return self end
|
|
|
|
VisualElement.textFg(self, math.max(1, x), math.max(1, y), text:sub(textStart, textStart + textLen - 1), fg)
|
|
return self
|
|
end
|
|
|
|
--- @shortDescription Draws a line of text and bg as color
|
|
--- @param x number The x position to draw the text
|
|
--- @param y number The y position to draw the text
|
|
--- @param text string The text to draw
|
|
--- @param bg color The background color of the text
|
|
--- @return Container self The container instance
|
|
--- @protected
|
|
function Container:textBg(x, y, text, bg)
|
|
local w, h = self.get("width"), self.get("height")
|
|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#text - textStart + 1, w - math.max(1, x) + 1)
|
|
|
|
if textLen <= 0 then return self end
|
|
|
|
VisualElement.textBg(self, math.max(1, x), math.max(1, y), text:sub(textStart, textStart + textLen - 1), bg)
|
|
return self
|
|
end
|
|
|
|
function Container:drawText(x, y, text)
|
|
local w, h = self.get("width"), self.get("height")
|
|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#text - textStart + 1, w - math.max(1, x) + 1)
|
|
|
|
if textLen <= 0 then return self end
|
|
|
|
VisualElement.drawText(self, math.max(1, x), math.max(1, y), text:sub(textStart, textStart + textLen - 1))
|
|
return self
|
|
end
|
|
|
|
function Container:drawFg(x, y, fg)
|
|
local w, h = self.get("width"), self.get("height")
|
|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#fg - textStart + 1, w - math.max(1, x) + 1)
|
|
if textLen <= 0 then return self end
|
|
|
|
VisualElement.drawFg(self, math.max(1, x), math.max(1, y), fg:sub(textStart, textStart + textLen - 1))
|
|
return self
|
|
end
|
|
|
|
function Container:drawBg(x, y, bg)
|
|
local w, h = self.get("width"), self.get("height")
|
|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#bg - textStart + 1, w - math.max(1, x) + 1)
|
|
if textLen <= 0 then return self end
|
|
|
|
VisualElement.drawBg(self, math.max(1, x), math.max(1, y), bg:sub(textStart, textStart + textLen - 1))
|
|
return self
|
|
end
|
|
|
|
--- @shortDescription Draws a line of text and fg and bg as colors
|
|
--- @param x number The x position to draw the text
|
|
--- @param y number The y position to draw the text
|
|
--- @param text string The text to draw
|
|
--- @param fg string The foreground color of the text
|
|
--- @param bg string The background color of the text
|
|
--- @return Container self The container instance
|
|
--- @protected
|
|
function Container:blit(x, y, text, fg, bg)
|
|
local w, h = self.get("width"), self.get("height")
|
|
|
|
if y < 1 or y > h then return self end
|
|
|
|
local textStart = x < 1 and (2 - x) or 1
|
|
local textLen = math.min(#text - textStart + 1, w - math.max(1, x) + 1)
|
|
local fgLen = math.min(#fg - textStart + 1, w - math.max(1, x) + 1)
|
|
local bgLen = math.min(#bg - textStart + 1, w - math.max(1, x) + 1)
|
|
|
|
if textLen <= 0 then return self end
|
|
|
|
local finalText = text:sub(textStart, textStart + textLen - 1)
|
|
local finalFg = fg:sub(textStart, textStart + fgLen - 1)
|
|
local finalBg = bg:sub(textStart, textStart + bgLen - 1)
|
|
|
|
VisualElement.blit(self, math.max(1, x), math.max(1, y), finalText, finalFg, finalBg)
|
|
return self
|
|
end
|
|
|
|
--- @shortDescription Renders the container
|
|
--- @protected
|
|
function Container:render()
|
|
VisualElement.render(self)
|
|
if not self.get("childrenSorted")then
|
|
self:sortChildren()
|
|
end
|
|
if not self.get("childrenEventsSorted")then
|
|
for event in pairs(self._values.childrenEvents) do
|
|
self:sortChildrenEvents(event)
|
|
end
|
|
end
|
|
for _, child in ipairs(self.get("visibleChildren")) do
|
|
if child == self then
|
|
errorManager.error("CIRCULAR REFERENCE DETECTED!")
|
|
return
|
|
end
|
|
child:render()
|
|
child:postRender()
|
|
end
|
|
end
|
|
|
|
|
|
--- @private
|
|
function Container:destroy()
|
|
for _, child in ipairs(self._values.children) do
|
|
child:destroy()
|
|
end
|
|
VisualElement.destroy(self)
|
|
return self
|
|
end
|
|
|
|
return Container |