TUI.zigModern Terminal UI Framework

const tui = @import("tui");

pub fn main() !void {
    var app = try tui.App.init(.{});
    defer app.deinit();

    var widget = MyWidget{};
    try app.setRoot(&widget);
    try app.run();
}

const MyWidget = struct {
    count: i32 = 0,

    pub fn render(self: *MyWidget, ctx: *tui.RenderContext) void {
        var screen = ctx.getSubScreen();
        
        var buf: [32]u8 = undefined;
        const text = std.fmt.bufPrint(&buf, "Count: {d}", .{self.count}) catch "?";
        
        screen.moveCursor(10, 10);
        screen.setStyle(tui.Style.default.bold().setFg(tui.Color.cyan));
        screen.putString(text);
    }

    pub fn handleEvent(self: *MyWidget, event: tui.Event) tui.EventResult {
        if (event == .key) {
            switch (event.key.key) {
                .up => {
                    self.count += 1;
                    return .needs_redraw;
                },
                .down => {
                    self.count -= 1;
                    return .needs_redraw;
                },
                else => {},
            }
        }
        return .ignored;
    }
};

const tui_dep = b.dependency("tui", .{
    .target = target,
    .optimize = optimize,
});
exe.root_module.addImport("tui", tui_dep.module("tui"));