From 9c6bae6963d63327db1a33020483d24f2ed7b740 Mon Sep 17 00:00:00 2001
From: Fabien Freling <public@ffreling.com>
Date: Wed, 17 Jul 2024 11:14:41 +0200
Subject: [PATCH] add tui

---
 build.zig              | 22 ++++++++++++++++++----
 flake.nix              |  4 +++-
 justfile               |  8 +++++---
 src/{ => gui}/main.zig |  0
 src/tui/main.zig       | 11 +++++++++++
 5 files changed, 37 insertions(+), 8 deletions(-)
 rename src/{ => gui}/main.zig (100%)
 create mode 100644 src/tui/main.zig

diff --git a/build.zig b/build.zig
index bc7da3d..8869bef 100644
--- a/build.zig
+++ b/build.zig
@@ -30,19 +30,21 @@ pub fn build(b: *Build) !void {
     } else {
         try buildNative(b, target, optimize, dep_sokol, dep_cimgui);
     }
+
+    try buildTui(b, target, optimize);
 }
 
 fn buildNative(b: *Build, target: ResolvedTarget, optimize: OptimizeMode, dep_sokol: *Dependency, dep_cimgui: *Dependency) !void {
     const demo = b.addExecutable(.{
         .name = "demo",
-        .root_source_file = b.path("src/main.zig"),
+        .root_source_file = b.path("src/gui/main.zig"),
         .target = target,
         .optimize = optimize,
     });
     demo.root_module.addImport("sokol", dep_sokol.module("sokol"));
     demo.root_module.addImport("cimgui", dep_cimgui.module("cimgui"));
     b.installArtifact(demo);
-    b.step("run", "Run demo").dependOn(&b.addRunArtifact(demo).step);
+    b.step("run-gui", "Run demo").dependOn(&b.addRunArtifact(demo).step);
 }
 
 fn buildWasm(b: *Build, target: ResolvedTarget, optimize: OptimizeMode, dep_sokol: *Dependency, dep_cimgui: *Dependency) !void {
@@ -50,7 +52,7 @@ fn buildWasm(b: *Build, target: ResolvedTarget, optimize: OptimizeMode, dep_soko
     // needs to be linked in a separate build step with the Emscripten linker
     const demo = b.addStaticLibrary(.{
         .name = "demo",
-        .root_source_file = b.path("src/main.zig"),
+        .root_source_file = b.path("src/gui/main.zig"),
         .target = target,
         .optimize = optimize,
     });
@@ -86,5 +88,17 @@ fn buildWasm(b: *Build, target: ResolvedTarget, optimize: OptimizeMode, dep_soko
     // ...and a special run step to start the web build output via 'emrun'
     const run = sokol.emRunStep(b, .{ .name = "demo", .emsdk = dep_emsdk });
     run.step.dependOn(&link_step.step);
-    b.step("run", "Run demo").dependOn(&run.step);
+    b.step("run-gui", "Run demo").dependOn(&run.step);
+}
+
+fn buildTui(b: *Build, target: ResolvedTarget, optimize: OptimizeMode) !void {
+    const tui = b.addExecutable(.{
+        .name = "demo",
+        .root_source_file = b.path("src/tui/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    b.installArtifact(tui);
+    b.step("run-tui", "Run TUI").dependOn(&b.addRunArtifact(tui).step);
 }
diff --git a/flake.nix b/flake.nix
index dae3e4a..ba09ebe 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,8 +12,10 @@
             zls
           ];
           buildInputs = [
-            alsa-lib
             lldb
+
+            # GUI
+            alsa-lib
             xorg.libX11
             xorg.libXcursor
             xorg.libXi
diff --git a/justfile b/justfile
index 112626b..6e63522 100644
--- a/justfile
+++ b/justfile
@@ -2,6 +2,8 @@ alias b := build
 build:
     zig build
 
-alias r := run
-run:
-	zig build run
+gui:
+	zig build run-gui
+		
+tui:
+	zig build run-tui
diff --git a/src/main.zig b/src/gui/main.zig
similarity index 100%
rename from src/main.zig
rename to src/gui/main.zig
diff --git a/src/tui/main.zig b/src/tui/main.zig
new file mode 100644
index 0000000..a0aa24c
--- /dev/null
+++ b/src/tui/main.zig
@@ -0,0 +1,11 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+    try stdout.print("Can spawn process: {}\n", .{std.process.can_spawn});
+
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const alloc = gpa.allocator();
+    var lldb_child = std.process.Child.init(&[_][]const u8{"lldb-vscode"}, alloc);
+    _ = try lldb_child.spawnAndWait();
+}