From 897649a3afd192f8e7552e16b815d4c11602ba2c Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Wed, 16 Jul 2025 13:44:59 -0700
Subject: [PATCH] apprt/gtk-ng: GhosttyConfigErrors

---
 src/apprt/gtk-ng/build/gresource.zig          |  1 +
 src/apprt/gtk-ng/class/config_errors.zig      | 70 +++++++++++++++++++
 .../gtk-ng/ui/1.5/config-errors-dialog.blp    | 26 +++++++
 3 files changed, 97 insertions(+)
 create mode 100644 src/apprt/gtk-ng/class/config_errors.zig
 create mode 100644 src/apprt/gtk-ng/ui/1.5/config-errors-dialog.blp

diff --git a/src/apprt/gtk-ng/build/gresource.zig b/src/apprt/gtk-ng/build/gresource.zig
index db5c2cf6e..433c504da 100644
--- a/src/apprt/gtk-ng/build/gresource.zig
+++ b/src/apprt/gtk-ng/build/gresource.zig
@@ -30,6 +30,7 @@ pub const icon_sizes: []const comptime_int = &.{ 16, 32, 128, 256, 512, 1024 };
 ///
 /// These will be asserted to exist at runtime.
 pub const blueprints: []const Blueprint = &.{
+    .{ .major = 1, .minor = 5, .name = "config-errors-dialog" },
     .{ .major = 1, .minor = 5, .name = "window" },
 };
 
diff --git a/src/apprt/gtk-ng/class/config_errors.zig b/src/apprt/gtk-ng/class/config_errors.zig
new file mode 100644
index 000000000..fdf16602b
--- /dev/null
+++ b/src/apprt/gtk-ng/class/config_errors.zig
@@ -0,0 +1,70 @@
+const std = @import("std");
+const adw = @import("adw");
+const gobject = @import("gobject");
+const gtk = @import("gtk");
+
+const gresource = @import("../build/gresource.zig");
+const adw_version = @import("../adw_version.zig");
+const GhosttyConfig = @import("config.zig").GhosttyConfig;
+
+const log = std.log.scoped(.gtk_ghostty_window);
+
+pub const GhosttyConfigErrors = extern struct {
+    const Self = @This();
+    parent_instance: Parent,
+
+    pub const Parent = if (adw_version.supportsDialogs())
+        adw.AlertDialog
+    else
+        adw.MessageDialog;
+
+    pub const getGObjectType = gobject.ext.defineClass(Self, .{
+        .instanceInit = &init,
+        .classInit = &Class.init,
+        .parent_class = &Class.parent,
+        .private = .{ .Type = Private, .offset = &Private.offset },
+    });
+
+    const Private = struct {
+        _todo: u8 = 0,
+        var offset: c_int = 0;
+    };
+
+    pub fn new(config: *GhosttyConfig) *Self {
+        return gobject.ext.newInstance(Self, .{
+            .config = config,
+        });
+    }
+
+    fn init(self: *Self, _: *Class) callconv(.C) void {
+        gtk.Widget.initTemplate(self.as(gtk.Widget));
+    }
+
+    pub fn as(win: *Self, comptime T: type) *T {
+        return gobject.ext.as(T, win);
+    }
+
+    pub const Class = extern struct {
+        parent_class: Parent.Class,
+        var parent: *Parent.Class = undefined;
+        pub const Instance = Self;
+
+        fn init(class: *Class) callconv(.C) void {
+            gtk.Widget.Class.setTemplateFromResource(
+                class.as(gtk.Widget.Class),
+                switch (Parent) {
+                    adw.AlertDialog => comptime gresource.blueprint(.{
+                        .major = 1,
+                        .minor = 5,
+                        .name = "config-errors-dialog",
+                    }),
+                    else => unreachable,
+                },
+            );
+        }
+
+        pub fn as(class: *Class, comptime T: type) *T {
+            return gobject.ext.as(T, class);
+        }
+    };
+};
diff --git a/src/apprt/gtk-ng/ui/1.5/config-errors-dialog.blp b/src/apprt/gtk-ng/ui/1.5/config-errors-dialog.blp
new file mode 100644
index 000000000..2669ef390
--- /dev/null
+++ b/src/apprt/gtk-ng/ui/1.5/config-errors-dialog.blp
@@ -0,0 +1,26 @@
+using Gtk 4.0;
+using Adw 1;
+
+Adw.AlertDialog config_errors_dialog {
+  heading: _("Configuration Errors");
+  body: _("One or more configuration errors were found. Please review the errors below, and either reload your configuration or ignore these errors.");
+
+  responses [
+    ignore: _("Ignore"),
+    reload: _("Reload Configuration") suggested,
+  ]
+
+  extra-child: ScrolledWindow {
+    min-content-width: 500;
+    min-content-height: 100;
+
+    TextView {
+      editable: false;
+      cursor-visible: false;
+      top-margin: 8;
+      bottom-margin: 8;
+      left-margin: 8;
+      right-margin: 8;
+    }
+  };
+}