gtk: get 'Change Title' working with older distros

src/apprt/gtk/Builder.zig

@@ -25,7 +25,7 @@ pub fn init(comptime name: []const u8, comptime kind: enum { blp, ui }) Builder
                 // GResource.
                 const gresource = @import("gresource.zig");
                 for (gresource.blueprint_files) |blueprint_file| {
-                    if (std.mem.eql(u8, blueprint_file, name)) break;
+                    if (std.mem.eql(u8, blueprint_file.name, name)) break;
                 } else @compileError("missing blueprint file '" ++ name ++ "' in gresource.zig");
             },
             .ui => {

src/apprt/gtk/Surface.zig

@@ -31,6 +31,7 @@ const inspector = @import("inspector.zig");
 const gtk_key = @import("key.zig");
 const c = @import("c.zig").c;
 const Builder = @import("Builder.zig");
+const adwaita = @import("adwaita.zig");
 
 const log = std.log.scoped(.gtk_surface);
 
@@ -1020,16 +1021,17 @@ fn resolveTitle(self: *Surface, title: [:0]const u8) [:0]const u8 {
 }
 
 pub fn promptTitle(self: *Surface) !void {
+    if (!adwaita.versionAtLeast(1, 5, 0)) return;
     const window = self.container.window() orelse return;
 
     var builder = Builder.init("prompt-title-dialog", .blp);
     defer builder.deinit();
 
-    const entry: *gtk.Entry = @ptrCast(builder.getObject("title_entry"));
+    const entry = gobject.ext.cast(gtk.Entry, builder.getObject("title_entry").?).?;
     entry.getBuffer().setText(self.getTitle() orelse "", -1);
 
-    const dialog: *adw.AlertDialog = @ptrCast(builder.getObject("prompt_title_dialog"));
-    dialog.choose(@ptrCast(window.window), null, &gtkPromptTitleResponse, self);
+    const dialog = gobject.ext.cast(adw.AlertDialog, builder.getObject("prompt_title_dialog").?).?;
+    dialog.choose(@ptrCast(window.window), null, gtkPromptTitleResponse, self);
 }
 
 /// Set the current working directory of the surface.
@@ -2320,12 +2322,13 @@ fn g_value_holds(value_: ?*c.GValue, g_type: c.GType) bool {
 }
 
 fn gtkPromptTitleResponse(source_object: ?*gobject.Object, result: *gio.AsyncResult, ud: ?*anyopaque) callconv(.C) void {
-    const dialog: *adw.AlertDialog = @ptrCast(source_object.?);
-    const self = userdataSelf(ud.?);
+    if (!adwaita.versionAtLeast(1, 5, 0)) return;
+    const dialog = gobject.ext.cast(adw.AlertDialog, source_object.?).?;
+    const self = userdataSelf(ud orelse return);
 
     const response = dialog.chooseFinish(result);
     if (std.mem.orderZ(u8, "ok", response) == .eq) {
-        const title_entry: *gtk.Entry = gobject.ext.cast(gtk.Entry, dialog.getExtraChild().?).?;
+        const title_entry = gobject.ext.cast(gtk.Entry, dialog.getExtraChild().?).?;
         const title = std.mem.span(title_entry.getBuffer().getText());
 
         // if the new title is empty and the user has set the title previously, restore the terminal provided title

src/apprt/gtk/blueprint_compiler.zig

@@ -0,0 +1,57 @@
+const std = @import("std");
+
+pub const c = @cImport({
+    @cInclude("adwaita.h");
+});
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const alloc = gpa.allocator();
+
+    var it = try std.process.argsWithAllocator(alloc);
+    defer it.deinit();
+
+    _ = it.next();
+
+    const major = try std.fmt.parseUnsigned(u8, it.next() orelse return error.NoMajorVersion, 10);
+    const minor = try std.fmt.parseUnsigned(u8, it.next() orelse return error.NoMinorVersion, 10);
+    const micro = try std.fmt.parseUnsigned(u8, it.next() orelse return error.NoMicroVersion, 10);
+    const output = it.next() orelse return error.NoOutput;
+    const input = it.next() orelse return error.NoInput;
+
+    if (c.ADW_MAJOR_VERSION < major or
+        (c.ADW_MAJOR_VERSION == major and c.ADW_MINOR_VERSION < minor) or
+        (c.ADW_MAJOR_VERSION == major and c.ADW_MINOR_VERSION == minor and c.ADW_MICRO_VERSION < micro))
+    {
+        // If the Adwaita version is too old, generate an "empty" file.
+        const file = try std.fs.createFileAbsolute(output, .{
+            .truncate = true,
+        });
+        try file.writeAll(
+            \\<?xml version="1.0" encoding="UTF-8"?>
+            \\<interface domain="com.mitchellh.ghostty"/>
+        );
+        defer file.close();
+
+        return;
+    }
+
+    var compiler = std.process.Child.init(
+        &.{
+            "blueprint-compiler",
+            "compile",
+            "--output",
+            output,
+            input,
+        },
+        alloc,
+    );
+
+    const term = try compiler.spawnAndWait();
+    switch (term) {
+        .Exited => |rc| {
+            if (rc != 0) std.posix.exit(1);
+        },
+        else => std.posix.exit(1),
+    }
+}

src/apprt/gtk/gresource.zig

@@ -57,7 +57,17 @@ pub const ui_files = [_][]const u8{
     "menu-window-titlebar_menu",
     "menu-surface-context_menu",
 };
-pub const blueprint_files = [_][]const u8{"prompt-title-dialog"};
+
+pub const VersionedBlueprint = struct {
+    major: u16,
+    minor: u16,
+    micro: u16,
+    name: []const u8,
+};
+
+pub const blueprint_files = [_]VersionedBlueprint{
+    .{ .major = 1, .minor = 5, .micro = 0, .name = "prompt-title-dialog" },
+};
 
 pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
@@ -72,9 +82,9 @@ pub fn main() !void {
     var it = try std.process.argsWithAllocator(alloc);
     defer it.deinit();
 
-    while (it.next()) |filename| {
-        if (std.mem.eql(u8, std.fs.path.extension(filename), ".ui")) {
-            try extra_ui_files.append(try alloc.dupe(u8, filename));
+    while (it.next()) |argument| {
+        if (std.mem.eql(u8, std.fs.path.extension(argument), ".ui")) {
+            try extra_ui_files.append(try alloc.dupe(u8, argument));
         }
     }
 
@@ -144,7 +154,7 @@ pub const dependencies = deps: {
         index += 1;
     }
     for (blueprint_files) |blueprint_file| {
-        deps[index] = std.fmt.comptimePrint("src/apprt/gtk/ui/{s}.blp", .{blueprint_file});
+        deps[index] = std.fmt.comptimePrint("src/apprt/gtk/ui/{s}.blp", .{blueprint_file.name});
         index += 1;
     }
     break :deps deps;

src/apprt/gtk/ui/prompt-title-dialog.blp

@@ -6,8 +6,8 @@ Adw.AlertDialog prompt_title_dialog {
   body: _("Leave blank to restore the default title.");
 
   responses [
-    cancel: _("Cancel"),
-    ok: _("OK") suggested
+    cancel: _("Cancel") suggested,
+    ok: _("OK") destructive
   ]
 
   focus-widget: title_entry;

src/build/SharedDeps.zig

@@ -443,6 +443,7 @@ pub fn add(
                     .{ "glib", "glib2" },
                     .{ "gtk", "gtk4" },
                     .{ "gdk", "gdk4" },
+                    .{ "adw", "adw1" },
                 };
                 inline for (gobject_imports) |import| {
                     const name, const module = import;
@@ -451,7 +452,6 @@ pub fn add(
 
                 step.linkSystemLibrary2("gtk4", dynamic_link_opts);
                 step.linkSystemLibrary2("libadwaita-1", dynamic_link_opts);
-                step.root_module.addImport("adw", gobject.module("adw1"));
 
                 if (self.config.x11) {
                     step.linkSystemLibrary2("X11", dynamic_link_opts);
@@ -500,14 +500,24 @@ pub fn add(
 
                         const generate = b.addRunArtifact(generate_gresource_xml);
 
+                        const gtk_blueprint_compiler = b.addExecutable(.{
+                            .name = "gtk_blueprint_compiler",
+                            .root_source_file = b.path("src/apprt/gtk/blueprint_compiler.zig"),
+                            .target = b.host,
+                        });
+                        gtk_blueprint_compiler.linkSystemLibrary2("gtk4", dynamic_link_opts);
+                        gtk_blueprint_compiler.linkSystemLibrary2("libadwaita-1", dynamic_link_opts);
+                        gtk_blueprint_compiler.linkLibC();
+
                         for (gresource.blueprint_files) |blueprint_file| {
-                            const blueprint_compiler = b.addSystemCommand(&.{
-                                "blueprint-compiler",
-                                "compile",
-                                "--output",
+                            const blueprint_compiler = b.addRunArtifact(gtk_blueprint_compiler);
+                            blueprint_compiler.addArgs(&.{
+                                b.fmt("{d}", .{blueprint_file.major}),
+                                b.fmt("{d}", .{blueprint_file.minor}),
+                                b.fmt("{d}", .{blueprint_file.micro}),
                             });
-                            const ui_file = blueprint_compiler.addOutputFileArg(b.fmt("{s}.ui", .{blueprint_file}));
-                            blueprint_compiler.addFileArg(b.path(b.fmt("src/apprt/gtk/ui/{s}.blp", .{blueprint_file})));
+                            const ui_file = blueprint_compiler.addOutputFileArg(b.fmt("{s}.ui", .{blueprint_file.name}));
+                            blueprint_compiler.addFileArg(b.path(b.fmt("src/apprt/gtk/ui/{s}.blp", .{blueprint_file.name})));
                             generate.addFileArg(ui_file);
                         }
 

src/build/docker/debian/Dockerfile

@@ -5,9 +5,11 @@ FROM docker.io/library/debian:${DISTRO_VERSION}
 RUN DEBIAN_FRONTEND="noninteractive" apt-get -qq update && \
     apt-get -qq -y --no-install-recommends install \
     # Build Tools
+    blueprint-compiler \
     build-essential \
     libbz2-dev \
     libonig-dev \
+    libxml2-utils \
     lintian \
     lsb-release \
     libxml2-utils \