Lua: Add Splitter arguments

Change-Id: I51c33621bc424a65ae5aa14dd8340534477e96f3
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/plugins/lua/bindings/gui.cpp

@@ -245,6 +245,18 @@ std::unique_ptr<Splitter> constructSplitter(const sol::table &children)
     std::unique_ptr<Splitter> item(new Splitter({}));
     constructWidget(item, children);
 
+    if (const auto &orientation = children.get<sol::optional<QString>>("orientation")) {
+        if (*orientation == "horizontal")
+            item->setOrientation(Qt::Horizontal);
+        else if (*orientation == "vertical")
+            item->setOrientation(Qt::Vertical);
+        else
+            throw sol::error(QString("Invalid orientation: %1").arg(*orientation).toStdString());
+    }
+
+    if (const auto collapsible = children.get<sol::optional<bool>>("collapsible"))
+        item->setChildrenCollapsible(*collapsible);
+
     for (size_t i = 1; i <= children.size(); ++i) {
         const auto &child = children[i];
         if (child.is<Layout *>()) {
@@ -256,6 +268,14 @@ std::unique_ptr<Splitter> constructSplitter(const sol::table &children)
                        << " (expected Layout or Widget)";
         }
     }
+
+    if (const auto &stretchFactors = children.get<sol::optional<sol::table>>("stretchFactors")) {
+        for (const auto &kv : *stretchFactors) {
+            if (kv.second.get_type() != sol::type::number)
+                throw sol::error("Stretch factors must be numbers");
+            item->setStretchFactor(kv.first.as<int>() - 1, kv.second.as<int>());
+        }
+    }
     return item;
 }
 

src/plugins/lua/meta/gui.lua

@@ -17,14 +17,17 @@ gui.widget = {}
 ---@alias LayoutChild string|BaseAspect|Layout|Widget|function
 ---@alias LayoutChildren LayoutChild[]
 
----@class (exact) WidgetOptions
+---@class (exact) BaseWidgetOptions
+---@field size? integer[] Two integers, representing the width and height of the widget.
+---@field windowFlags? WindowType[] The window flags of the widget.
+gui.baseWidgetOptions = {}
+
+---@class (exact) WidgetOptions : BaseWidgetOptions
+---@field title? string The title of the widget, if applicable.
 ---@field onTextChanged? function The function to be called when the text of the widget changes, if applicable.
 ---@field onClicked? function The function to be called when the widget is clicked, if applicable.
 ---@field text? string The text of the widget, if applicable.
----@field title? string The title of the widget, if applicable.
 ---@field value? integer The value of the widget, if applicable.
----@field size? integer[] Two integers, representing the width and height of the widget.
----@field windowFlags? WindowType[] The window flags of the widget.
 ---@field [1]? Layout The layout of the widget, if applicable.
 gui.widgetOptions = {}
 
@@ -144,7 +147,17 @@ function gui.SpinBox(options) end
 ---@class Splitter : Widget
 local splitter = {}
 
----@param options WidgetOptions
+---@alias Orientation "horizontal"|"vertical"
+
+---@class (exact) SplitterOptions : BaseWidgetOptions
+---@field orientation? Orientation The orientation of the splitter. (default: "vertical")
+---@field childrenCollapsible? boolean A boolean, representing whether the children are collapsible. (default: true)
+---@field stretchFactors? integer[] A list of integers, representing the stretch factors of the children. (default: {1, ...})
+---@field size? integer[] Two integers, representing the width and height of the widget.
+---@field [integer] Layout | Widget The splits.
+gui.splitterOptions = {}
+
+---@param options SplitterOptions
 ---@return Splitter
 function gui.Splitter(options) end