Tokamak/Sources/TokamakGTK/App/App.swift

69 lines
2.2 KiB
Swift

// Copyright 2020-2021 Tokamak contributors
//
// 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.
//
// Created by Carson Katri on 10/10/20.
//
import CGTK
import Dispatch
import OpenCombineShim
import TokamakCore
public extension App {
static func _launch(_ app: Self, with configuration: _AppConfiguration) {
_ = Unmanaged.passRetained(GTKRenderer(app, configuration.rootEnvironment))
}
static func _setTitle(_ title: String) {
GTKRenderer.sharedWindow.withMemoryRebound(to: GtkWindow.self, capacity: 1) {
gtk_window_set_title($0, title)
}
}
var _phasePublisher: AnyPublisher<ScenePhase, Never> {
CurrentValueSubject(.active).eraseToAnyPublisher()
}
var _colorSchemePublisher: AnyPublisher<ColorScheme, Never> {
CurrentValueSubject(.light).eraseToAnyPublisher()
}
}
extension UnsafeMutablePointer where Pointee == GApplication {
@discardableResult
func connect(
signal: UnsafePointer<gchar>,
data: UnsafeMutableRawPointer? = nil,
handler: @convention(c) @escaping (UnsafeMutablePointer<GtkApplication>?, UnsafeRawPointer)
-> Bool
) -> Int {
let handler = unsafeBitCast(handler, to: GCallback.self)
return Int(g_signal_connect_data(self, signal, handler, data, nil, GConnectFlags(rawValue: 0)))
}
/// Connect with a context-capturing closure.
@discardableResult
func connect(
signal: UnsafePointer<gchar>,
closure: @escaping () -> ()
) -> Int {
let closureBox = Unmanaged.passRetained(ClosureBox(closure)).toOpaque()
return connect(signal: signal, data: closureBox) { _, closureBox in
let unpackedAction = Unmanaged<ClosureBox<()>>.fromOpaque(closureBox)
unpackedAction.takeRetainedValue().closure()
return true
}
}
}