109a4daa

Wire SurfaceState into Window

a73x   2026-04-16 10:47

Replaces the bare Window.configured flag with a SurfaceState embedded
on the Window. Visibility queries now go through state.visible(), which
is a no-op change today but will gate rendering once FrameLoop lands.

---

diff --git a/src/wayland.zig b/src/wayland.zig
index c136a8c..951a92b 100644
--- a/src/wayland.zig
+++ b/src/wayland.zig
@@ -21,6 +21,7 @@ pub const Output = struct {
pub const SurfaceState = struct {
    configured: bool = false,
    suspended: bool = false,
    /// Must outlive this SurfaceState.
    tracker: *ScaleTracker,

    pub fn visible(self: *const SurfaceState) bool {
@@ -563,7 +564,7 @@ pub const Window = struct {
    outputs: *std.ArrayListUnmanaged(*Output),
    scale_generation: u64 = 0,
    applied_buffer_scale: i32 = 1,
    configured: bool = false,
    state: SurfaceState,
    should_close: bool = false,
    width: u32 = 800,
    height: u32 = 600,
@@ -681,6 +682,7 @@ pub const Connection = struct {
            .xdg_toplevel = undefined,
            .tracker = &self.scale_tracker,
            .outputs = &self.outputs,
            .state = .{ .tracker = &self.scale_tracker },
        };
        errdefer window.surface.destroy();

@@ -1054,7 +1056,7 @@ fn xdgSurfaceListener(surface: *xdg.Surface, event: xdg.Surface.Event, window: *
    switch (event) {
        .configure => |cfg| {
            surface.ackConfigure(cfg.serial);
            window.configured = true;
            window.state.configured = true;
        },
    }
}