Add basic SetUIInfo support

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

qemu-display-listener/src/console.rs

@@ -12,6 +12,18 @@ pub trait Console {
     /// RegisterListener method
     fn register_listener(&self, listener: Fd) -> zbus::Result<()>;
 
+    /// SetUIInfo method
+    #[dbus_proxy(name = "SetUIInfo")]
+    fn set_ui_info(
+        &self,
+        width_mm: u16,
+        height_mm: u16,
+        xoff: i32,
+        yoff: i32,
+        width: u32,
+        height: u32,
+    ) -> zbus::Result<()>;
+
     #[dbus_proxy(property)]
     fn label(&self) -> zbus::Result<String>;
 

qemu-gtk4/src/console.rs

@@ -114,6 +114,19 @@ mod imp {
             self.area.set_sensitive(true);
             self.area.set_focusable(true);
             self.area.set_focus_on_click(true);
+
+            unsafe {
+                self.area.connect_notify_unsafe(
+                    Some("resize-hack"),
+                    clone!(@weak obj => move |_, _| {
+                        let priv_ = imp::QemuConsole::from_instance(&obj);
+                        let alloc = priv_.area.get_allocation();
+                        if let Err(e) = obj.qemu_console().proxy.set_ui_info(0, 0, 0, 0, alloc.width as u32, alloc.height as u32) {
+                            eprintln!("Failed to SetUIInfo: {}", e);
+                        }
+                    }),
+                );
+            }
         }
 
         // Needed for direct subclasses of GtkWidget;
@@ -126,11 +139,7 @@ mod imp {
         }
     }
 
-    impl WidgetImpl for QemuConsole {
-        fn size_allocate(&self, widget: &Self::Type, width: i32, height: i32, baseline: i32) {
-            self.parent_size_allocate(widget, width, height, baseline);
-        }
-    }
+    impl WidgetImpl for QemuConsole {}
 }
 
 glib::wrapper! {

qemu-gtk4/src/console_area.rs

@@ -63,6 +63,29 @@ mod imp {
         fn constructed(&self, obj: &Self::Type) {
             self.parent_constructed(obj);
         }
+
+        fn properties() -> &'static [glib::ParamSpec] {
+            use once_cell::sync::Lazy;
+            static PROPERTIES: Lazy<Vec<glib::ParamSpec>> = Lazy::new(|| {
+                vec![glib::ParamSpec::boolean(
+                    "resize-hack",
+                    "resize-hack",
+                    "Resize hack to notify parent",
+                    false,
+                    glib::ParamFlags::READWRITE | glib::ParamFlags::CONSTRUCT,
+                )]
+            });
+            PROPERTIES.as_ref()
+        }
+
+        fn set_property(
+            &self,
+            _obj: &Self::Type,
+            _id: usize,
+            _value: &glib::Value,
+            _pspec: &glib::ParamSpec,
+        ) {
+        }
     }
 
     impl WidgetImpl for QemuConsoleArea {
@@ -79,6 +102,11 @@ mod imp {
                 widget.set_error(Some(&e));
             }
         }
+
+        fn size_allocate(&self, widget: &Self::Type, width: i32, height: i32, baseline: i32) {
+            self.parent_size_allocate(widget, width, height, baseline);
+            widget.notify("resize-hack");
+        }
     }
 
     impl GLAreaImpl for QemuConsoleArea {