First commit.

src/ui/vbox.lua

@@ -0,0 +1,66 @@
+------------------------------------------------------------------------------
+-- Imports
+------------------------------------------------------------------------------
+
+local make_class = require 'src.utils.classes'
+local Layout     = require 'src.ui.layout'
+
+
+------------------------------------------------------------------------------
+-- Class definitions
+------------------------------------------------------------------------------
+
+---@class VBox: Layout
+local VBox = make_class(Layout)
+
+
+------------------------------------------------------------------------------
+-- Class methods
+------------------------------------------------------------------------------
+
+function VBox:_init(x, y, w, h, spacing, float)
+    Layout._init(self, x, y, w, h, spacing, float)
+end
+
+
+function VBox:load()
+    Layout.load(self)
+
+    local _y = self.y
+
+    -- Load required assets if needed and then compute the coordinates of each button.
+    for _, v in pairs(self.elements) do
+        if v.float_right then
+            v.x = self.w - v.w
+        else
+            v.x = self.x
+        end
+
+        v.y = _y
+        _y = _y + v.h + self.spacing
+    end
+end
+
+
+function VBox:set_dimensions()
+    if self.w == nil then
+        self.w = 0
+        for _, v in pairs(self.elements) do
+            if v.w > self.w then self.w = v.w end
+        end
+    end
+
+    if self.h == nil then
+        self.h = 0
+        for i, v in pairs(self.elements) do
+            self.h = self.h + v.h
+            if i < #self.elements then self.h = self.h + self.spacing end
+        end
+    end
+end
+
+------------------------------------------------------------------------------
+-- Module return
+------------------------------------------------------------------------------
+
+return VBox