gui build: add manifest to avoid STATUS_ENTRYPOINT_NOT_FOUND error

gabdube/native-windows-gui#251

build.rs

@@ -1,5 +1,5 @@
 fn main() -> std::io::Result<()> {
-    #[cfg(all(target_os = "windows", feature = "win_manifest"))]
+    #[cfg(all(target_os = "windows", any(feature = "win_manifest",feature = "gui")))]
     {
         windows::build()?;
     }
@@ -59,3 +59,61 @@ mod windows {
         Ok(())
     }
 }
+
+#[cfg(all(target_os = "windows", feature = "gui"))]
+mod windows {
+    use indoc::formatdoc;
+    use regex::Regex;
+    use std::fs::File;
+    use std::io::Write;
+    extern crate embed_resource;
+
+    // println! during build
+    macro_rules! pb {
+      ($($tokens:tt)*) => {println!("cargo:warning={}", format!($($tokens)*))}}
+
+    pub(super) fn build() -> std::io::Result<()> {
+        let manifest_path: &str = "./target/kanata.exe.manifest";
+
+        // Note about expected version format:
+        // MS says "Use the four-part version format: mmmmm.nnnnn.ooooo.ppppp"
+        // https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests
+
+        let re_ver_build = Regex::new(r"^(?<vpre>(\d+\.){2}\d+)[-a-zA-Z]+(?<vpos>\d+)$").unwrap();
+        let re_version3 = Regex::new(r"^(\d+\.){2}\d+$").unwrap();
+        let mut version: String = env!("CARGO_PKG_VERSION").to_string();
+
+        if re_version3.find(&version).is_some() {
+            version = format!("{}.0", version);
+        } else if re_ver_build.find(&version).is_some() {
+            version = re_ver_build
+                .replace_all(&version, r"$vpre.$vpos")
+                .to_string();
+        } else {
+            pb!("unknown version format '{}', using '0.0.0.0'", version);
+            version = "0.0.0.0".to_string();
+        }
+
+        let manifest_str = formatdoc!(
+            r#"<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+            <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+              <assemblyIdentity name="kanata.exe" version="{}" type="win32"/>
+              <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+                <security>
+                  <requestedPrivileges><requestedExecutionLevel level="asInvoker" uiAccess="false"/></requestedPrivileges>
+                </security>
+              </trustInfo>
+              <dependency><dependentAssembly>
+                <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls"
+                  version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/></dependentAssembly>
+              </dependency>
+            </assembly>
+            "#,
+            version
+        );
+        let mut manifest_f = File::create(manifest_path)?;
+        write!(manifest_f, "{}", manifest_str)?;
+        embed_resource::compile("./src/kanata.exe.manifest.rc", embed_resource::NONE);
+        Ok(())
+    }
+}