Add support for GtkOverlay and GtkProgressBar

Documentation/Reference/README.md

@@ -36,12 +36,14 @@
 -   [NativeWidgetPeer](classes/NativeWidgetPeer.md)
 -   [NavigationSplitView](classes/NavigationSplitView.md)
 -   [NavigationView](classes/NavigationView.md)
+-   [Overlay](classes/Overlay.md)
 -   [OverlaySplitView](classes/OverlaySplitView.md)
 -   [PasswordEntryRow](classes/PasswordEntryRow.md)
 -   [PreferencesGroup](classes/PreferencesGroup.md)
 -   [PreferencesPage](classes/PreferencesPage.md)
 -   [PreferencesRow](classes/PreferencesRow.md)
 -   [PreferencesWindow](classes/PreferencesWindow.md)
+-   [ProgressBar](classes/ProgressBar.md)
 -   [Scrolled](classes/Scrolled.md)
 -   [SpinRow](classes/SpinRow.md)
 -   [Stack](classes/Stack.md)

Documentation/Reference/classes/Overlay.md

@@ -0,0 +1,22 @@
+**CLASS**
+
+# `Overlay`
+
+Gtk.Overlay
+
+## Methods
+### `init()`
+
+Initialize an overlay.
+
+### `child(_:)`
+
+Set the child view.
+- Parameter widget: The child view.
+- Returns: The overlay.
+
+### `addOverlay(_:)`
+
+Add an overlay to the view.
+- Parameter widget: The new overlay view.
+- Returns: The overlay.

Documentation/Reference/classes/ProgressBar.md

@@ -0,0 +1,16 @@
+**CLASS**
+
+# `ProgressBar`
+
+Gtk.ProgressBar
+
+## Methods
+### `init()`
+
+Initialize a progress bar.
+
+### `fraction(_:)`
+
+Set the child view.
+- Parameter widget: The child view.
+- Returns: The overlay.

Sources/CGTUI/shim.h

@@ -2181,6 +2181,46 @@ gtui_textview_contents (uint64_t textview)
   return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 }
 
+static uint64_t
+gtui_create_overlay ()
+{
+  return (uint64_t)gtk_overlay_new ();
+}
+
+static void
+gtui_overlay_add_overlay (uint64_t overlay, uint64_t widget)
+{
+  g_assert_nonnull (overlay);
+  g_assert_nonnull (widget);
+  g_assert (GTK_IS_OVERLAY (overlay));
+  g_assert (GTK_IS_WIDGET (widget));
+  gtk_overlay_add_overlay (overlay, widget);
+}
+
+static void
+gtui_overlay_set_child (uint64_t overlay, uint64_t widget)
+{
+  g_assert_nonnull (overlay);
+  g_assert_nonnull (widget);
+  g_assert (GTK_IS_OVERLAY (overlay));
+  g_assert (GTK_IS_WIDGET (widget));
+  gtk_overlay_set_child (overlay, widget);
+}
+
+static uint64_t
+gtui_create_progressbar ()
+{
+  return (uint64_t)gtk_progress_bar_new ();
+}
+
+static void
+gtui_progressbar_set_fraction (uint64_t progressbar, double fraction)
+{
+  g_assert_nonnull (progressbar);
+  g_assert (GTK_IS_PROGRESS_BAR (progressbar));
+  gtk_progress_bar_set_fraction (progressbar, fraction);
+}
+
 static uint64_t
 gtui_create_filedialog ()
 {

Sources/Libadwaita/GTK/Overlay.swift

@@ -0,0 +1,35 @@
+//
+//  Overlay.swift
+//  Libadwaita
+//
+//  Created by david-swift on 02.01.24.
+//
+
+import CGTUI
+
+/// Gtk.Overlay
+public class Overlay: NativeWidgetPeer {
+
+    /// Initialize an overlay.
+    override public init() {
+        super.init()
+        self.nativePtr = gtui_create_overlay()
+    }
+
+    /// Set the child view.
+    /// - Parameter widget: The child view.
+    /// - Returns: The overlay.
+    public func child(_ widget: NativeWidgetPeer) -> Overlay {
+        gtui_overlay_set_child(self.nativePtr, widget.nativePtr)
+        return self
+    }
+
+    /// Add an overlay to the view.
+    /// - Parameter widget: The new overlay view.
+    /// - Returns: The overlay.
+    public func addOverlay(_ widget: NativeWidgetPeer) -> Overlay {
+        gtui_overlay_add_overlay(self.nativePtr, widget.nativePtr)
+        return self
+    }
+
+}

Sources/Libadwaita/GTK/ProgressBar.swift

@@ -0,0 +1,27 @@
+//
+//  ProgressBar.swift
+//  Libadwaita
+//
+//  Created by david-swift on 02.01.24.
+//
+
+import CGTUI
+
+/// Gtk.ProgressBar
+public class ProgressBar: NativeWidgetPeer {
+
+    /// Initialize a progress bar.
+    override public init() {
+        super.init()
+        self.nativePtr = gtui_create_progressbar()
+    }
+
+    /// Set the child view.
+    /// - Parameter widget: The child view.
+    /// - Returns: The overlay.
+    public func fraction(_ fraction: Double) -> ProgressBar {
+        gtui_progressbar_set_fraction(self.nativePtr, fraction)
+        return self
+    }
+
+}

Tests/main.swift

@@ -181,7 +181,15 @@ public class MyApplication: Application {
             NavigationView()
                 .add(contentView, title: "Test")
                 .add(
-                    ToolbarView(StatusPage().title("Navigation View")).addTopBar(HeaderBar()),
+                    ToolbarView(
+                        Overlay()
+                            .child(StatusPage().title("Navigation View"))
+                            .addOverlay(
+                                ProgressBar()
+                                    .fraction(0.5)
+                                    .addStyle("osd")
+                            )
+                    ).addTopBar(HeaderBar()).topBarStyle(.raised),
                     title: "Navigation Page"
                 )
         )