handle sigint to cleanup ncurses

Package.resolved

@@ -0,0 +1,14 @@
+{
+  "pins" : [
+    {
+      "identity" : "signalhandler",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Genaro-Chris/SignalHandler.git",
+      "state" : {
+        "branch" : "main",
+        "revision" : "bb52b9c5df6eba21adb6d540a19a2da6e6fab2fa"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -20,7 +20,8 @@ var targets: [Target] = [
         name: "SwiftCurses",
         dependencies: [
             "C_ncurses",
-            "C_ncursesBinds"
+            "C_ncursesBinds",
+            .product(name: "SignalHandler", package: "signalhandler")
         ],
         swiftSettings: []),
     .executableTarget(
@@ -60,50 +61,9 @@ targets
   .append("C_ncursesw")
 #endif
 
-//#if canImport(FoundationNetworking)
-//targets = [
-
-
-//]
-//#else
-//targets = [
-//    .systemLibrary(
-//        name: "C_ncurses",
-//        providers: [
-//            .brew(["ncurses"]),
-//            .apt(["libncurses5-dev", "libncursesw5-dev"]),
-//            .yum(["ncurses-devel"])
-//        ]),
-
-//    .target(
-//        name: "SwiftCurses",
-//        dependencies: [
-//            "C_ncurses",
-//            "C_ncursesBinds"
-//        ],
-//        swiftSettings: [
-//          .define("SWIFTCURSES_OPAQUE")
-//        ]),
-
-//    .executableTarget(
-//        name: "Examples",
-//        dependencies: ["SwiftCurses"],
-//        exclude: ["README.md"],
-//        swiftSettings: [.unsafeFlags([
-//            "-Xfrontend",
-//            "-warn-long-function-bodies=100",
-//            "-Xfrontend",
-//            "-warn-long-expression-type-checking=100"
-//        ])]),
-
-//    .testTarget(
-//        name: "ncursesTests",
-//        dependencies: ["SwiftCurses"]),
-//]
-//#endif
-
 let package = Package(
     name: "SwiftCurses",
+    platforms: [.macOS(.v10_15)],
     products: [
         .library(
             name: "SwiftCurses",
@@ -112,5 +72,7 @@ let package = Package(
             name: "Examples",
             targets: ["Examples"])
     ],
-    dependencies: [],
+    dependencies: [
+      .package(url: "https://github.com/Genaro-Chris/SignalHandler.git", branch: "main")
+    ],
     targets: targets)

README.md

@@ -79,6 +79,14 @@ Always looking at improving this library, feel free to leave suggestions/pull re
 - https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/otherlib.html
 - fill in the todos
 
+
+## macOS version compatibility
+
+| macOS version | library version |
+|---------------|-----------------|
+| < 10.15       | <= 1.0.3        |
+| >= 10.15      | latest          |
+
 ## License
 
 Since the original is licensed under the MIT license, this library is also

Sources/SwiftCurses/initScreen.swift

@@ -11,6 +11,10 @@ import Musl
 import ncursesw
 #endif
 
+#if !os(Windows)
+import SignalHandler
+#endif
+
 /// Start a new curses mode terminal
 ///
 /// - Parameters:
@@ -26,6 +30,16 @@ public func initScreen(
     guard let _scr = initscr() else { // start curses mode
         throw CursesError(.cannotCreateWindow)
     }
+    // Assure cleanup on interrupt
+    #if !os(Windows)
+    let exitHandler = SignalHandler(signals: .SIGINT) { _ in
+      endwin()
+      exit(0)
+    }
+    Task {
+      await exitHandler.start()
+    }
+    #endif
     defer {
         endwin() // end curses mode
     }
@@ -55,6 +69,14 @@ public func initScreenAsync(
     guard let _scr = initscr() else { // start curses mode
         throw CursesError(.cannotCreateWindow)
     }
+    // Assure cleanup on interrupt
+    #if !os(Windows)
+    let exitHandler = SignalHandler(signals: .SIGINT) { _ in
+      endwin()
+      exit(0)
+    }
+    await exitHandler.start()
+    #endif
     defer {
         endwin() // end curses mode
     }