rename more stuff

src/apprt/surface.zig

@@ -0,0 +1,50 @@
+const App = @import("../App.zig");
+const Surface = @import("../Surface.zig");
+const renderer = @import("../renderer.zig");
+const termio = @import("../termio.zig");
+
+/// The message types that can be sent to a single surface.
+pub const Message = union(enum) {
+    /// Represents a write request. Magic number comes from the max size
+    /// we want this union to be.
+    pub const WriteReq = termio.MessageData(u8, 256);
+
+    /// Set the title of the surface.
+    /// TODO: we should change this to a "WriteReq" style structure in
+    /// the termio message so that we can more efficiently send strings
+    /// of any length
+    set_title: [256]u8,
+
+    /// Change the cell size.
+    cell_size: renderer.CellSize,
+
+    /// Read the clipboard and write to the pty.
+    clipboard_read: u8,
+
+    /// Write the clipboard contents.
+    clipboard_write: WriteReq,
+};
+
+/// A surface mailbox.
+pub const Mailbox = struct {
+    surface: *Surface,
+    app: *App.Mailbox,
+
+    /// Send a message to the surface.
+    pub fn push(self: Mailbox, msg: Message, timeout: App.Mailbox.Timeout) App.Mailbox.Size {
+        // Surface message sending is actually implemented on the app
+        // thread, so we have to rewrap the message with our surface
+        // pointer and send it to the app thread.
+        const result = self.app.push(.{
+            .surface_message = .{
+                .surface = self.surface,
+                .message = msg,
+            },
+        }, timeout);
+
+        // Wake up our app loop
+        self.surface.app.wakeup();
+
+        return result;
+    }
+};