fix: add manual restart for win32 console builds and fix restart for win32 gui builds

closes #399

build.zig.zon

@@ -30,7 +30,7 @@
             .hash = "fuzzig-0.1.1-Ji0xivxIAQBD0g8O_NV_0foqoPf3elsg9Sc3pNfdVH4D",
         },
         .vaxis = .{
-            .url = "git+https://github.com/neurocyte/libvaxis?ref=main#e9c1111efd98aeb7c2db45d3e31987429fb5f26d",
+            .url = "git+https://github.com/neurocyte/libvaxis?ref=main#78aff0865f0f6206ece9263dcd9b051352da1e82",
             .hash = "vaxis-0.5.1-BWNV_BkyCQAo2UBeY_gbzP09d4pHDaqtg44snF5k3mh2",
         },
         .zeit = .{

src/main.zig

@@ -1119,6 +1119,7 @@ fn resolve_executable(executable: [:0]const u8) [:0]const u8 {
 }
 
 fn restart() noreturn {
+    if (builtin.os.tag == .windows) return restart_win32();
     const executable = resolve_executable(std.mem.span(std.os.argv[0]));
     const argv = [_]?[*:0]const u8{
         executable,
@@ -1143,6 +1144,40 @@ fn restart_with_sudo() noreturn {
     restart_failed(ret);
 }
 
+fn restart_win32() noreturn {
+    if (!build_options.gui) return restart_manual();
+    const executable = resolve_executable(std.mem.span(std.os.argv[0]));
+    const argv = [_][]const u8{
+        executable,
+        "--restore-session",
+    };
+    const a = std.heap.c_allocator;
+    var child = std.process.Child.init(&argv, a);
+    child.stdin_behavior = .Inherit;
+    child.stdout_behavior = .Inherit;
+    child.stderr_behavior = .Inherit;
+    child.spawn() catch {
+        std.os.windows.kernel32.ExitProcess(1);
+    };
+    std.os.windows.kernel32.ExitProcess(0);
+}
+
+fn restart_manual() noreturn {
+    const executable = resolve_executable(std.mem.span(std.os.argv[0]));
+    var stderr_buffer: [1024]u8 = undefined;
+    var stderr_writer = std.fs.File.stderr().writer(&stderr_buffer);
+    stderr_writer.interface.print(
+        \\
+        \\ Manual restart required. Run:
+        \\ > {s} --restore-session
+        \\ to restart now.
+        \\
+        \\
+    , .{executable}) catch {};
+    stderr_writer.interface.flush() catch {};
+    exit(234);
+}
+
 fn restart_failed(ret: c_int) noreturn {
     var stderr_buffer: [1024]u8 = undefined;
     var stderr_writer = std.fs.File.stderr().writer(&stderr_buffer);

src/renderer/vaxis/renderer.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const root = @import("root");
 const cbor = @import("cbor");
 const log = @import("log");
 const Style = @import("theme").Style;
@@ -80,7 +81,13 @@ pub fn init(allocator: std.mem.Allocator, handler_ctx: *anyopaque, no_alternate:
     const tty_buffer = try allocator.alloc(u8, 4096);
     return .{
         .allocator = allocator,
-        .tty = vaxis.Tty.init(tty_buffer) catch return error.TtyInitError,
+        .tty = vaxis.Tty.init(tty_buffer) catch |e| {
+            var stderr_buffer: [1024]u8 = undefined;
+            var stderr_writer = std.fs.File.stderr().writer(&stderr_buffer);
+            stderr_writer.interface.print("\n" ++ root.application_name ++ " ERROR: {s}\n", .{@errorName(e)}) catch {};
+            stderr_writer.interface.flush() catch {};
+            return error.TtyInitError;
+        },
         .tty_buffer = tty_buffer,
         .vx = try vaxis.init(allocator, opts),
         .no_alternate = no_alternate,