config: make attach-mode global

 completions/fish/riverctl.fish | 2 +-
 completions/zsh/_riverctl      | 2 +-
 doc/riverctl.1.scd             | 3 +--
 river/Config.zig               | 4 ++++
 river/Output.zig               | 4 ----
 river/View.zig                 | 4 ++--
 river/command/attach_mode.zig  | 6 ++++--
 7 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/completions/fish/riverctl.fish b/completions/fish/riverctl.fish
index c3139dc..9f4392f 100644
--- a/completions/fish/riverctl.fish
+++ b/completions/fish/riverctl.fish
@@ -41,7 +41,7 @@ complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a map-point
 complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a unmap                  -d 'Remove the mapping defined by the arguments'
 complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a unmap-pointer          -d 'Remove the pointer mapping defined by the arguments'
 # Configuration
-complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a attach-mode            -d 'Configure where new views should attach to the view stack for the currently focused output'
+complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a attach-mode            -d 'Configure where new views should attach to the view stack'
 complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a background-color       -d 'Set the background color'
 complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a border-color-focused   -d 'Set the border color of focused views'
 complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a border-color-unfocused -d 'Set the border color of unfocused views'
diff --git a/completions/zsh/_riverctl b/completions/zsh/_riverctl
index 1e0f60c..428915b 100644
--- a/completions/zsh/_riverctl
+++ b/completions/zsh/_riverctl
@@ -47,7 +47,7 @@ _riverctl() {
     'unmap:Remove the mapping defined by the arguments'
     'unmap-pointer:Remove the pointer mapping defined by the arguments'
     # Configuration
-    'attach-mode:Configure where new views should attach to the view stack for the currently focused output'
+    'attach-mode:Configure where new views should attach to the view stack'
     'background-color:Set the background color'
     'border-color-focused:Set the border color of focused views'
     'border-color-unfocused:Set the border color of unfocused views'
diff --git a/doc/riverctl.1.scd b/doc/riverctl.1.scd
index 96589d5..c02a8f3 100644
--- a/doc/riverctl.1.scd
+++ b/doc/riverctl.1.scd
@@ -209,8 +209,7 @@ A complete list may be found in _/usr/include/linux/input-event-codes.h_
 ## CONFIGURATION
 
 *attach-mode* *top*|*bottom*
-	Configure where new views should attach to the view stack for the
-	currently focused output.
+	Configure where new views should attach to the view stack.
 
 *background-color* _#RRGGBB_|_#RRGGBBAA_
 	Set the background color.
diff --git a/river/Config.zig b/river/Config.zig
index 9a4c75f..91e62e5 100644
--- a/river/Config.zig
+++ b/river/Config.zig
@@ -23,6 +23,7 @@ const util = @import("util.zig");
 
 const Server = @import("Server.zig");
 const Mode = @import("Mode.zig");
+const AttachMode = @import("view_stack.zig").AttachMode;
 
 pub const FocusFollowsCursorMode = enum {
     disabled,
@@ -64,6 +65,9 @@ focus_follows_cursor: FocusFollowsCursorMode = .disabled,
 /// Output.layout_namespace is null.
 default_layout_namespace: []const u8 = &[0]u8{},
 
+/// Determines where new views will be attached to the view stack.
+attach_mode: AttachMode = .top,
+
 opacity: struct {
     /// The opacity of focused views
     focused: f32 = 1.0,
diff --git a/river/Output.zig b/river/Output.zig
index 4bd1bb2..38fc13e 100644
--- a/river/Output.zig
+++ b/river/Output.zig
@@ -35,7 +35,6 @@ const Layout = @import("Layout.zig");
 const LayoutDemand = @import("LayoutDemand.zig");
 const View = @import("View.zig");
 const ViewStack = @import("view_stack.zig").ViewStack;
-const AttachMode = @import("view_stack.zig").AttachMode;
 const OutputStatus = @import("OutputStatus.zig");
 
 const State = struct {
@@ -83,9 +82,6 @@ layouts: std.TailQueue(Layout) = .{},
 /// Call handleLayoutNamespaceChange() after setting this.
 layout_namespace: ?[]const u8 = null,
 
-/// Determines where new views will be attached to the view stack.
-attach_mode: AttachMode = .top,
-
 /// Bitmask that whitelists tags for newly spawned views
 spawn_tagmask: u32 = std.math.maxInt(u32),
 
diff --git a/river/View.zig b/river/View.zig
index a8b9c63..816c72e 100644
--- a/river/View.zig
+++ b/river/View.zig
@@ -296,7 +296,7 @@ pub fn sendToOutput(self: *Self, destination_output: *Output) void {
     const node = @fieldParentPtr(ViewStack(Self).Node, "view", self);
 
     self.output.views.remove(node);
-    destination_output.views.attach(node, destination_output.attach_mode);
+    destination_output.views.attach(node, server.config.attach_mode);
 
     self.output.sendViewTags();
     destination_output.sendViewTags();
@@ -466,7 +466,7 @@ pub fn map(self: *Self) void {
 
     // Add the view to the stack of its output
     const node = @fieldParentPtr(ViewStack(Self).Node, "view", self);
-    self.output.views.attach(node, self.output.attach_mode);
+    self.output.views.attach(node, server.config.attach_mode);
 
     // Focus the new view, assuming the seat is focusing the proper output
     // and there isn't something else like a fullscreen view grabbing focus.
diff --git a/river/command/attach_mode.zig b/river/command/attach_mode.zig
index 6dd1dd5..f9505b4 100644
--- a/river/command/attach_mode.zig
+++ b/river/command/attach_mode.zig
@@ -19,6 +19,8 @@ const std = @import("std");
 
 const util = @import("../util.zig");
 
+const server = &@import("../main.zig").server;
+
 const Error = @import("../command.zig").Error;
 const Seat = @import("../Seat.zig");
 
@@ -32,9 +34,9 @@ pub fn attachMode(
     if (args.len > 2) return Error.TooManyArguments;
 
     if (std.mem.eql(u8, "top", args[1])) {
-        seat.focused_output.attach_mode = .top;
+        server.config.attach_mode = .top;
     } else if (std.mem.eql(u8, "bottom", args[1])) {
-        seat.focused_output.attach_mode = .bottom;
+        server.config.attach_mode = .bottom;
     } else {
         return Error.UnknownOption;
     }