ghostty/pkg/imgui/io.zig

const std = @import("std");
const c = @import("c.zig");
const imgui = @import("main.zig");
const Allocator = std.mem.Allocator;

pub const IO = opaque {
    pub fn get() Allocator.Error!*IO {
        return @ptrCast(
            ?*IO,
            c.igGetIO(),
        ) orelse Allocator.Error.OutOfMemory;
    }

    pub inline fn cval(self: *IO) *c.ImGuiIO {
        return @ptrCast(
            *c.ImGuiIO,
            @alignCast(@alignOf(c.ImGuiIO), self),
        );
    }
};

test {
    const ctx = try imgui.Context.create();
    defer ctx.destroy();
    _ = try IO.get();
}