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Small Tree changes to selection color

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This commit is contained in:
Robert Jelic
2025-10-06 21:45:25 +02:00
parent a774e11f3b
commit b5536fb9ea
1 changed files with 18 additions and 9 deletions
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27
src/elements/Tree.lua
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@@ -1,5 +1,6 @@
local VisualElement = require("elements/VisualElement")
local sub = string.sub
local tHex = require("libraries/colorHex")
---@cofnigDescription The tree element provides a hierarchical view of nodes that can be expanded and collapsed, with support for selection and scrolling.
@@ -24,10 +25,10 @@ Tree.defineProperty(Tree, "expandedNodes", {default = {}, type = "table", canTri
Tree.defineProperty(Tree, "scrollOffset", {default = 0, type = "number", canTriggerRender = true})
---@property horizontalOffset number 0 Current horizontal scroll position
Tree.defineProperty(Tree, "horizontalOffset", {default = 0, type = "number", canTriggerRender = true})
---@property nodeColor color white Color of unselected nodes
Tree.defineProperty(Tree, "nodeColor", {default = colors.white, type = "color"})
---@property selectedColor color lightBlue Background color of selected node
Tree.defineProperty(Tree, "selectedColor", {default = colors.lightBlue, type = "color"})
---@property selectedForegroundColor color white foreground color of selected node
Tree.defineProperty(Tree, "selectedForegroundColor", {default = colors.white, type = "color"})
---@property selectedBackgroundColor color lightBlue background color of selected node
Tree.defineProperty(Tree, "selectedBackgroundColor", {default = colors.lightBlue, type = "color"})
Tree.defineEvent(Tree, "mouse_click")
Tree.defineEvent(Tree, "mouse_scroll")
@@ -197,15 +198,23 @@ function Tree:render()
symbol = expandedNodes[node] and "\31" or "\16"
end
local bg = node == selectedNode and self.get("selectedColor") or self.get("background")
local fullText = indent .. symbol .." " .. (node.text or "Node")
local text = sub(fullText, horizontalOffset + 1, horizontalOffset + self.get("width"))
local isSelected = node == selectedNode
local _bg = isSelected and self.get("selectedBackgroundColor") or self.get("background")
local _fg = isSelected and self.get("selectedForegroundColor") or self.get("foreground")
self:textFg(1, y, text .. string.rep(" ", self.get("width") - #text), self.get("foreground"))
local fullText = indent .. symbol .. " " .. (node.text or "Node")
local text = sub(fullText, horizontalOffset + 1, horizontalOffset + self.get("width"))
local paddedText = text .. string.rep(" ", self.get("width") - #text)
local bg = tHex[_bg]:rep(#paddedText) or tHex[colors.black]:rep(#paddedText)
local fg = tHex[_fg]:rep(#paddedText) or tHex[colors.white]:rep(#paddedText)
self:blit(1, y, paddedText, fg, bg)
else
self:textFg(1, y, string.rep(" ", self.get("width")), self.get("foreground"), self.get("background"))
self:blit(1, y, string.rep(" ", self.get("width")), tHex[self.get("foreground")]:rep(self.get("width")), tHex[self.get("background")]:rep(self.get("width")))
end
end
end
return Tree