1 files changed, 34 insertions, 0 deletions
diff --git a/toolkit/crashreporter/client/app/src/ui/model/hbox.rs b/toolkit/crashreporter/client/app/src/ui/model/hbox.rs
new file mode 100644
index 0000000000..b6c0e27e8c
--- /dev/null
+++ b/toolkit/crashreporter/client/app/src/ui/model/hbox.rs
@@ -0,0 +1,34 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use super::{Element, ElementBuilder};
+
+/// A box which lays out contents horizontally.
+#[derive(Default, Debug)]
+pub struct HBox {
+    pub items: Vec<Element>,
+    pub spacing: u32,
+    pub affirmative_order: bool,
+}
+
+impl ElementBuilder<HBox> {
+    pub fn spacing(&mut self, value: u32) {
+        self.element_type.spacing = value;
+    }
+
+    /// Whether children are in affirmative order (and should be reordered based on platform
+    /// conventions).
+    ///
+    /// The children passed to `add_child` should be in most-affirmative to least-affirmative order
+    /// (e.g., "OK" then "Cancel" buttons).
+    ///
+    /// This is mainly useful for dialog buttons.
+    pub fn affirmative_order(&mut self, value: bool) {
+        self.element_type.affirmative_order = value;
+    }
+
+    pub fn add_child(&mut self, child: Element) {
+        self.element_type.items.push(child);
+    }
+}