diff --git a/contrib/helix-256p.ico b/contrib/helix-256p.ico new file mode 100644 index 00000000..16781cc1 Binary files /dev/null and b/contrib/helix-256p.ico differ diff --git a/helix-term/build.rs b/helix-term/build.rs index b47dae8e..6bebf00c 100644 --- a/helix-term/build.rs +++ b/helix-term/build.rs @@ -6,4 +6,150 @@ fn main() { build_grammars(Some(std::env::var("TARGET").unwrap())) .expect("Failed to compile tree-sitter grammars"); } + + #[cfg(windows)] + windows_rc::link_icon_in_windows_exe("../contrib/helix-256p.ico"); +} + +#[cfg(windows)] +mod windows_rc { + use std::io::prelude::Write; + use std::{env, io, path::Path, path::PathBuf, process}; + + pub(crate) fn link_icon_in_windows_exe(icon_path: &str) { + let rc_exe = find_rc_exe().expect("Windows SDK is to be installed along with MSVC"); + + let output = env::var("OUT_DIR").expect("Env var OUT_DIR should have been set by compiler"); + let output_dir = PathBuf::from(output); + + let rc_path = output_dir.join("resource.rc"); + write_resource_file(&rc_path, icon_path).unwrap(); + + let resource_file = PathBuf::from(&output_dir).join("resource.lib"); + compile_with_toolkit_msvc(rc_exe, resource_file, rc_path); + + println!("cargo:rustc-link-search=native={}", output_dir.display()); + println!("cargo:rustc-link-lib=dylib=resource"); + } + + fn compile_with_toolkit_msvc(rc_exe: PathBuf, output: PathBuf, input: PathBuf) { + let mut command = process::Command::new(rc_exe); + let command = command.arg(format!( + "/I{}", + env::var("CARGO_MANIFEST_DIR") + .expect("CARGO_MANIFEST_DIR should have been set by Cargo") + )); + + let status = command + .arg(format!("/fo{}", output.display())) + .arg(format!("{}", input.display())) + .output() + .unwrap(); + + println!( + "RC Output:\n{}\n------", + String::from_utf8_lossy(&status.stdout) + ); + println!( + "RC Error:\n{}\n------", + String::from_utf8_lossy(&status.stderr) + ); + } + + fn find_rc_exe() -> io::Result { + let find_reg_key = process::Command::new("reg") + .arg("query") + .arg(r"HKLM\SOFTWARE\Microsoft\Windows Kits\Installed Roots") + .arg("/reg:32") + .arg("/v") + .arg("KitsRoot10") + .output(); + + match find_reg_key { + Err(find_reg_key) => { + return Err(io::Error::new( + io::ErrorKind::Other, + format!("Failed to run registry query: {}", find_reg_key), + )) + } + Ok(find_reg_key) => { + if find_reg_key.status.code().unwrap() != 0 { + return Err(io::Error::new( + io::ErrorKind::Other, + "Can not find Windows SDK", + )); + } else { + let lines = String::from_utf8(find_reg_key.stdout) + .expect("Should be able to parse the output"); + let mut lines: Vec<&str> = lines.lines().collect(); + let mut rc_exe_paths: Vec = Vec::new(); + lines.reverse(); + for line in lines { + if line.trim().starts_with("KitsRoot") { + let kit: String = line + .chars() + .skip(line.find("REG_SZ").unwrap() + 6) + .skip_while(|c| c.is_whitespace()) + .collect(); + + let p = PathBuf::from(&kit); + let rc = if cfg!(target_arch = "x86_64") { + p.join(r"bin\x64\rc.exe") + } else { + p.join(r"bin\x86\rc.exe") + }; + + if rc.exists() { + println!("{:?}", rc); + rc_exe_paths.push(rc.to_owned()); + } + + if let Ok(bin) = p.join("bin").read_dir() { + for e in bin.filter_map(|e| e.ok()) { + let p = if cfg!(target_arch = "x86_64") { + e.path().join(r"x64\rc.exe") + } else { + e.path().join(r"x86\rc.exe") + }; + if p.exists() { + println!("{:?}", p); + rc_exe_paths.push(p.to_owned()); + } + } + } + } + } + if rc_exe_paths.is_empty() { + return Err(io::Error::new( + io::ErrorKind::Other, + "Can not find Windows SDK", + )); + } + + println!("{:?}", rc_exe_paths); + let rc_path = rc_exe_paths.pop().unwrap(); + + let rc_exe = if !rc_path.exists() { + if cfg!(target_arch = "x86_64") { + PathBuf::from(rc_path.parent().unwrap()).join(r"bin\x64\rc.exe") + } else { + PathBuf::from(rc_path.parent().unwrap()).join(r"bin\x86\rc.exe") + } + } else { + rc_path + }; + + println!("Selected RC path: '{}'", rc_exe.display()); + Ok(rc_exe) + } + } + } + } + + fn write_resource_file(rc_path: &Path, icon_path: &str) -> io::Result<()> { + let mut f = std::fs::File::create(rc_path)?; + writeln!(f, "{} ICON \"{}\"", 1, icon_path)?; + + Ok(()) + } }