gtk-adwaita: Init core app I have no idea what to do next. Flux-like state-action API? Simple struct with state properties and callback functions like GObject? Completely lost.

Changes

7 changed files (+103/-0)

• core/src/lib.h
  • @@ -97,4 +97,14 @@ void plac_server_scanner_free(plac_server_scanner*);
    plac_scan_result *plac_server_scanner_scan(plac_server_scanner*, plac_server_scan_options*); plac_find_result *plac_server_scanner_find(plac_server_scanner*, char * const, unsigned int); + /* Application */ + typedef struct { + struct sockaddr __addr; + void *__conn; + } plac_application; + + plac_application *plac_application_make_from_server(plac_server*); + char *plac_application_connect(plac_application*, char*); + void plac_application_free(plac_application*); + #endif
• core/src/lib.vapi
  • @@ -90,4 +90,14 @@
    [CCode (cname = "plac_server_scanner_find")] public FindResult? find (string id, uint len); } + + [CCode (cname = "plac_application", free_function = "plac_application_free")] + [Compact] + public class CoreApp { + [CCode (cname = "plac_application_make_from_server")] + public CoreApp (Server server); + + [CCode (cname = "plac_application_connect")] + public string? connect (string? token); + } }
• core/src/lib.zig
  • @@ -39,4 +39,8 @@ @export(&server.ServerScanner.make, .{ .name = "plac_server_scanner_make" });
    @export(&server.ServerScanner.free, .{ .name = "plac_server_scanner_free" }); @export(&server.ServerScanner.scan, .{ .name = "plac_server_scanner_scan" }); @export(&server.ServerScanner.find, .{ .name = "plac_server_scanner_find" }); + + @export(&Application.makeFromServer, .{ .name = "plac_application_make_from_server" }); + @export(&Application.free, .{ .name = "plac_application_free" }); + @export(&Application.connect, .{ .name = "plac_application_connect" }); }
• gtk-adwaita/build.zig
  • @@ -40,6 +40,7 @@ break :core dep.artifact("plac_core");
    }; const gresources = [_][]const u8{ + "data/ui/main-window.ui", "data/ui/server-list.ui", "data/ui/generic-error-dialog.ui", "data/ui/server-list-unexpected-error-dialog.ui",
• gtk-adwaita/data/gresource.xml
  • @@ -18,6 +18,7 @@ SPDX-License-Identifier: Apache-2.0
    --> <gresources> <gresource prefix="/jp/pocka/plac/gtk-adwaita"> + <file preprocess="xml-stripblanks">ui/main-window.ui</file> <file preprocess="xml-stripblanks">ui/server-list.ui</file> <file preprocess="xml-stripblanks">ui/generic-error-dialog.ui</file> <file preprocess="xml-stripblanks">ui/server-list-unexpected-error-dialog.ui</file>
• gtk-adwaita/data/ui/main-window.ui (new)
  • @@ -0,0 +1,40 @@
    + <?xml version="1.0" encoding="utf-8"?> + <!-- + Copyright 2025 Shota FUJI + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + SPDX-License-Identifier: Apache-2.0 + --> + <interface> + <template class="PlacMainWindow" parent="AdwApplicationWindow"> + <property name="default-width">800</property> + <property name="default-height">640</property> + <property name="title">Plac</property> + <style> + <class name="devel" /> + </style> + <property name="content"> + <object class="AdwToolbarView"> + <child type="top"> + <object class="AdwHeaderBar" /> + </child> + <property name="content"> + <object class="GtkLabel" id="test_label"> + <property name="label">Empty</property> + </object> + </property> + </object> + </property> + </template> + </interface>
• gtk-adwaita/src/Application.vala
  • @@ -121,6 +121,15 @@ var row = new Adw.ActionRow();
    row.title = server.name; row.subtitle = server.version; + var main_window = new MainWindow(this.application, server); + row.activatable_widget = main_window; + + row.activated.connect(() => { + main_window.start(); + main_window.present(); + this.close(); + }); + servers_list.append(row); } } catch (ScanError e) {
  • @@ -213,6 +222,34 @@ [GtkTemplate(ui = "/jp/pocka/plac/gtk-adwaita/ui/server-list-network-error-dialog.ui")]
    class ServerListNetworkErrorDialog : GenericErrorDialog { public ServerListNetworkErrorDialog(string details) { Object(details: details); + } + } + + [GtkTemplate(ui = "/jp/pocka/plac/gtk-adwaita/ui/main-window.ui")] + class MainWindow : Adw.ApplicationWindow { + [GtkChild] + private unowned Gtk.Label test_label; + + private Plac.Server server; + private Plac.CoreApp app; + + public MainWindow(Gtk.Application app, Plac.Server server) { + Object(application: app); + this.server = server.dup(); + } + + // NOTE: `server` is `null` in `construct` block. Stupid constructor design forces + // manual memory management or ditching constructor. Here, I chose the latter + // because window is hidden by default and startup procedures should start + // once after the window became visible. + public void start() { + test_label.label = this.server.name; + + this.app = new Plac.CoreApp(this.server); + if (this.app != null) { + var token = this.app.connect(null); + stderr.printf("Got token: %s\n", token); + } } } }