seat: implement input methods

src/it/test_utils/test_surface_ext.rs

@@ -0,0 +1,45 @@
+use {
+    crate::{
+        it::{
+            test_error::TestError,
+            test_ifs::{
+                test_single_pixel_buffer_manager::TestSinglePixelBufferManager,
+                test_surface::TestSurface, test_viewport::TestViewport,
+            },
+        },
+        theme::Color,
+    },
+    std::{cell::Cell, ops::Deref, rc::Rc},
+};
+
+pub struct TestSurfaceExt {
+    pub surface: Rc<TestSurface>,
+    pub spbm: Rc<TestSinglePixelBufferManager>,
+    pub viewport: Rc<TestViewport>,
+    pub color: Cell<Color>,
+}
+
+impl Deref for TestSurfaceExt {
+    type Target = TestSurface;
+
+    fn deref(&self) -> &Self::Target {
+        &self.surface
+    }
+}
+
+impl TestSurfaceExt {
+    pub async fn map(&self, width: i32, height: i32) -> Result<(), TestError> {
+        let buffer = self.spbm.create_buffer(self.color.get())?;
+        self.surface.attach(buffer.id)?;
+        self.viewport.set_source(0, 0, 1, 1)?;
+        self.viewport.set_destination(width, height)?;
+        self.surface.commit()?;
+        self.surface.tran.sync().await;
+        Ok(())
+    }
+
+    #[allow(dead_code)]
+    pub fn set_color(&self, r: u8, g: u8, b: u8, a: u8) {
+        self.color.set(Color::from_rgba_straight(r, g, b, a));
+    }
+}