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src/Output.zig

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+// SPDX-FileCopyrightText: 2025 Ben Buhse <me@benbuhse.email>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+const Output = @This();
+
+context: *Context,
+
+output_v1: *river.OutputV1,
+
+width: i32 = 0,
+height: i32 = 0,
+x: i32 = 0,
+y: i32 = 0,
+
+link: wl.list.Link,
+
+pub fn init(output: *Output, context: *Context, river_output_v1: *river.OutputV1) void {
+    output.* = .{
+        .context = context,
+        .output_v1 = river_output_v1,
+        .link = undefined, // Handled by the wl.list
+    };
+
+    output.output_v1.setListener(*Output, outputListener, output);
+}
+
+fn outputListener(river_output_v1: *river.OutputV1, event: river.OutputV1.Event, output: *Output) void {
+    assert(output.output_v1 == river_output_v1);
+    switch (event) {
+        .wl_output => |ev| {
+            log.debug("initializing new river_ouput_v1 corresponding to wl_output: {d}", .{ev.name});
+        },
+        .dimensions => |ev| {
+            output.width = ev.width;
+            output.height = ev.height;
+        },
+        .position => |ev| {
+            output.x = ev.x;
+            output.y = ev.y;
+        },
+        else => |ev| {
+            log.debug("unhandled event: {s}", .{@tagName(ev)});
+        },
+    }
+}
+
+const std = @import("std");
+const assert = std.debug.assert;
+
+const wayland = @import("wayland");
+const wl = wayland.client.wl;
+const river = wayland.client.river;
+
+const Context = @import("main.zig").Context;
+
+const log = std.log.scoped(.Output);