Initial commit

.gitignore

@@ -0,0 +1,2 @@
+.zig-cache
+zig-out

build.zig

@@ -0,0 +1,96 @@
+const std = @import("std");
+
+// Although this function looks imperative, note that its job is to
+// declaratively construct a build graph that will be executed by an external
+// runner.
+pub fn build(b: *std.Build) void {
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+
+    // Standard optimization options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
+    // set a preferred release mode, allowing the user to decide how to optimize.
+    const optimize = b.standardOptimizeOption(.{});
+
+    const vaxis_dep = b.dependency("vaxis", .{ .target = target, .optimize = optimize });
+    const vaxis = vaxis_dep.module("vaxis");
+
+    const lib = b.addStaticLibrary(.{
+        .name = "infoz",
+        // In this case the main source file is merely a path, however, in more
+        // complicated build scripts, this could be a generated file.
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    // This declares intent for the library to be installed into the standard
+    // location when the user invokes the "install" step (the default step when
+    // running `zig build`).
+    b.installArtifact(lib);
+
+    const exe = b.addExecutable(.{
+        .name = "infoz",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    exe.root_module.addImport("vaxis", vaxis);
+
+    // This declares intent for the executable to be installed into the
+    // standard location when the user invokes the "install" step (the default
+    // step when running `zig build`).
+    b.installArtifact(exe);
+
+    // This *creates* a Run step in the build graph, to be executed when another
+    // step is evaluated that depends on it. The next line below will establish
+    // such a dependency.
+    const run_cmd = b.addRunArtifact(exe);
+
+    // By making the run step depend on the install step, it will be run from the
+    // installation directory rather than directly from within the cache directory.
+    // This is not necessary, however, if the application depends on other installed
+    // files, this ensures they will be present and in the expected location.
+    run_cmd.step.dependOn(b.getInstallStep());
+
+    // This allows the user to pass arguments to the application in the build
+    // command itself, like this: `zig build run -- arg1 arg2 etc`
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    // This creates a build step. It will be visible in the `zig build --help` menu,
+    // and can be selected like this: `zig build run`
+    // This will evaluate the `run` step rather than the default, which is "install".
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    // Creates a step for unit testing. This only builds the test executable
+    // but does not run it.
+    const lib_unit_tests = b.addTest(.{
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
+
+    const exe_unit_tests = b.addTest(.{
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
+
+    // Similar to creating the run step earlier, this exposes a `test` step to
+    // the `zig build --help` menu, providing a way for the user to request
+    // running the unit tests.
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&run_lib_unit_tests.step);
+    test_step.dependOn(&run_exe_unit_tests.step);
+}

build.zig.zon

@@ -0,0 +1,39 @@
+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = "infoz",
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.0",
+
+    // This field is optional.
+    // This is currently advisory only; Zig does not yet do anything
+    // with this value.
+    //.minimum_zig_version = "0.11.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        .vaxis = .{
+            .url = "https://github.com/rockorager/libvaxis/archive/refs/heads/main.tar.gz",
+            .hash = "1220dab128b93a06ebca095bd38747f50cf9762b524e39e76de8771685264fd16841",
+        },
+    },
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}

src/main.zig

@@ -0,0 +1,97 @@
+const std = @import("std");
+const vaxis = @import("vaxis");
+
+const log = std.log.scoped(.main);
+
+const Event = union(enum) {
+    key_press: vaxis.Key,
+    winsize: vaxis.Winsize,
+};
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer {
+        const deinit_status = gpa.deinit();
+        if (deinit_status == .leak) {
+            log.err("memory leak", .{});
+        }
+    }
+
+    const allocator = gpa.allocator();
+
+    var tty = try vaxis.Tty.init();
+    defer tty.deinit();
+
+    var vx = try vaxis.init(allocator, .{});
+    defer vx.deinit(allocator, tty.anyWriter());
+
+    try vx.resetState(tty.anyWriter());
+
+    var loop: vaxis.Loop(Event) = .{ .tty = &tty, .vaxis = &vx };
+    try loop.init();
+
+    try loop.start();
+    defer loop.stop();
+
+    const stdout_file = std.io.getStdOut().writer();
+    // try stdout_file.writeAll("\x1b[2J");
+    // try stdout_file.writeAll("\x1b[9B");
+
+    // try vx.enterAltScreen(tty.anyWriter());
+    try vx.queryTerminal(tty.anyWriter(), 1 * std.time.ns_per_s);
+
+    const image = [_]vaxis.Image{
+        try vx.loadImage(allocator, tty.anyWriter(), .{ .path = "/Users/kc/Sync/Images/apple-dark.png" }),
+        // vaxis.Image.DrawOptions{ .clip_region = .{ .x = 0, .y = 0 } },
+    };
+
+    // defer vx.freeImage(tty.anyWriter(), image[0].id);
+
+    const event = loop.nextEvent();
+    switch (event) {
+        .winsize => |ws| try vx.resize(allocator, tty.anyWriter(), ws),
+        else => {},
+    }
+    _ = loop.nextEvent();
+    const win = vx.window();
+    // win.clear();
+    // vx.refresh = true;
+    // win.hideCursor();
+    // _ = loop.nextEvent();
+
+    const dims = try image[0].cellSize(win);
+
+    // try stdout_file.print("{d} - {d}\n", .{ dims.cols, dims.rows });
+
+    const logo_win = win.child(.{ .y_off = 0, .x_off = 0, .width = .{ .limit = dims.cols }, .height = .{ .limit = dims.rows } });
+    logo_win.clear();
+    const os_info = win.child(.{ .y_off = 0, .x_off = dims.cols, .width = .{ .limit = 30 }, .height = .{ .limit = 8 } });
+
+    const system_info = [_]vaxis.Cell.Segment{
+        .{ .text = "\tOS: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+        .{ .text = "\tKernel: lalal\n" },
+    };
+
+    try image[0].draw(logo_win, .{});
+    _ = try os_info.print(&system_info, .{ .wrap = .word });
+    try vx.render(tty.anyWriter());
+    // try stdout_file.writeAll("\x1b[9B");
+    try stdout_file.print("\n\n\n\n\n\n\n\n\n", .{});
+    // win.showCursor();
+    std.time.sleep(10000000);
+}
+
+test "simple test" {
+    var list = std.ArrayList(i32).init(std.testing.allocator);
+    defer list.deinit(); // try commenting this out and see if zig detects the memory leak!
+    try list.append(42);
+    try std.testing.expectEqual(@as(i32, 42), list.pop());
+}

src/root.zig

@@ -0,0 +1,10 @@
+const std = @import("std");
+const testing = std.testing;
+
+export fn add(a: i32, b: i32) i32 {
+    return a + b;
+}
+
+test "basic add functionality" {
+    try testing.expect(add(3, 7) == 10);
+}