From 6cb9f6ac04e1fc7716bd69707c714ae89599cccc Mon Sep 17 00:00:00 2001
From: Isaac Freund <ifreund@ifreund.xyz>
Date: Fri, 3 Apr 2020 18:53:36 +0200
Subject: Add a data structure to manage the view stack

---
 src/view.zig | 28 ++++++----------------------
 1 file changed, 6 insertions(+), 22 deletions(-)

(limited to 'src/view.zig')

diff --git a/src/view.zig b/src/view.zig
index 8344a8b..40debb0 100644
--- a/src/view.zig
+++ b/src/view.zig
@@ -2,6 +2,7 @@ const std = @import("std");
 const c = @import("c.zig");
 
 const Root = @import("root.zig").Root;
+const ViewStack = @import("view_stack.zig").ViewStack;
 
 pub const View = struct {
     const Self = @This();
@@ -127,13 +128,7 @@ pub const View = struct {
         // Called when the surface is mapped, or ready to display on-screen.
         const view = @fieldParentPtr(View, "listen_map", listener.?);
         view.mapped = true;
-
         view.focus(view.wlr_xdg_surface.surface);
-
-        const node = @fieldParentPtr(std.TailQueue(View).Node, "data", view);
-        view.root.unmapped_views.remove(node);
-        view.root.views.prepend(node);
-
         view.root.arrange();
     }
 
@@ -145,22 +140,11 @@ pub const View = struct {
         if (root.focused_view) |current_focus| {
             // If the view being unmapped is focused
             if (current_focus == view) {
-                // If there are more views
-                if (root.views.len > 1) {
-                    // Focus the previous view.
-                    root.focusPrevView();
-                } else {
-                    // Otherwise clear the focus
-                    root.focused_view = null;
-                    _ = c.wlr_xdg_toplevel_set_activated(view.wlr_xdg_surface, false);
-                }
+                // Focus the previous view. This clears the focus if there are no visible views.
+                root.focusPrevView();
             }
         }
 
-        const node = @fieldParentPtr(std.TailQueue(View).Node, "data", view);
-        root.views.remove(node);
-        root.unmapped_views.append(node);
-
         root.arrange();
     }
 
@@ -168,9 +152,9 @@ pub const View = struct {
         const view = @fieldParentPtr(View, "listen_destroy", listener.?);
         const root = view.root;
 
-        const node = @fieldParentPtr(std.TailQueue(View).Node, "data", view);
-        root.unmapped_views.remove(node);
-        root.unmapped_views.destroyNode(node, root.server.allocator);
+        const node = @fieldParentPtr(ViewStack.Node, "view", view);
+        root.views.remove(node);
+        root.server.allocator.destroy(node);
     }
 
     fn handleCommit(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
-- 
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