Implement basic xdg decoration management

1 files changed, 37 insertions, 0 deletions

diff --git a/src/decoration.zig b/src/decoration.zig
new file mode 100644
index 0000000..7ae8401
--- /dev/null
+++ b/src/decoration.zig
@@ -0,0 +1,37 @@
+const std = @import("std");
+const c = @import("c.zig").c;
+
+const DecorationManager = @import("decoration_manager.zig").DecorationManager;
+
+// TODO: this needs to listen for destroy and free nodes from the deco list
+pub const Decoration = struct {
+    const Self = @This();
+
+    decoration_manager: *DecorationManager,
+    wlr_xdg_toplevel_decoration: *c.wlr_xdg_toplevel_decoration_v1,
+
+    listen_request_mode: c.wl_listener,
+
+    pub fn init(
+        self: *Self,
+        decoration_manager: *DecorationManager,
+        wlr_xdg_toplevel_decoration: *c.wlr_xdg_toplevel_decoration_v1,
+    ) void {
+        self.decoration_manager = decoration_manager;
+        self.wlr_xdg_toplevel_decoration = wlr_xdg_toplevel_decoration;
+
+        self.listen_request_mode.notify = handleRequestMode;
+        c.wl_signal_add(&self.wlr_xdg_toplevel_decoration.events.request_mode, &self.listen_request_mode);
+
+        handleRequestMode(&self.listen_request_mode, self.wlr_xdg_toplevel_decoration);
+    }
+
+    fn handleRequestMode(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
+        const decoration = @fieldParentPtr(Decoration, "listen_request_mode", listener.?);
+        // TODO: we might need to take this configure serial and do a transaction
+        _ = c.wlr_xdg_toplevel_decoration_v1_set_mode(
+            decoration.wlr_xdg_toplevel_decoration,
+            c.wlr_xdg_toplevel_decoration_v1_mode.WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE,
+        );
+    }
+};