Lua: Add viewportMargins option for supported widgets

Change-Id: If4d6110bd382d459f0e59adcb3159da0f83cea18
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/libs/utils/layoutbuilder.cpp

@@ -1134,6 +1134,11 @@ void MarkdownBrowser::setEnableCodeCopyButton(bool enable)
     access(this)->setEnableCodeCopyButton(enable);
 }
 
+void MarkdownBrowser::setViewportMargins(int left, int top, int right, int bottom)
+{
+    access(this)->setMargins(QMargins(left, top, right, bottom));
+}
+
 // Special If
 
 If::If(

src/libs/utils/layoutbuilder.h

@@ -460,6 +460,7 @@ public:
     void setMarkdown(const QString &);
     void setBasePath(const Utils::FilePath &);
     void setEnableCodeCopyButton(bool enable);
+    void setViewportMargins(int left, int top, int right, int bottom);
 };
 
 // Special

src/plugins/lua/bindings/gui.cpp

@@ -115,6 +115,7 @@ CREATE_HAS_FUNC(setFixedSize, QSize())
 CREATE_HAS_FUNC(setVisible, bool())
 CREATE_HAS_FUNC(setIcon, Utils::Icon());
 CREATE_HAS_FUNC(setContentsMargins, int(), int(), int(), int());
+CREATE_HAS_FUNC(setViewportMargins, int(), int(), int(), int());
 CREATE_HAS_FUNC(setCursor, Qt::CursorShape())
 CREATE_HAS_FUNC(setMinimumWidth, int());
 CREATE_HAS_FUNC(setEnableCodeCopyButton, bool());
@@ -128,6 +129,12 @@ void setProperties(std::unique_ptr<T> &item, const sol::table &children, QObject
             item->setContentsMargins(margins->left(), margins->top(), margins->right(), margins->bottom());
     }
 
+    if constexpr (has_setViewportMargins<T>) {
+        sol::optional<QMargins> margins = children.get<sol::optional<QMargins>>("viewportMargins"sv);
+        if (margins)
+            item->setViewportMargins(margins->left(), margins->top(), margins->right(), margins->bottom());
+    }
+
     if constexpr (has_setCursor<T>) {
         const auto cursor = children.get<sol::optional<Qt::CursorShape>>("cursor"sv);
         if (cursor)

src/plugins/lua/meta/gui.lua

@@ -232,6 +232,7 @@ local markdownBrowser = {}
 
 ---@class (exact) MarkdownBrowserOptions : WidgetOptions
 ---@field enableCodeCopyButton? boolean Enable or disable the code copy button
+---@field viewportMargins? integer[] Four integers representing left, top, right and bottom margins
 local markdownBrowserOptions = {}
 
 ---@param options MarkdownBrowserOptions