add WindowOpenOptions

.gitignore

@@ -0,0 +1,2 @@
+/target
+Cargo.lock

Cargo.toml

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+[package]
+name = "baseview"
+version = "0.1.0"
+authors = ["William Light <git@wrl.lhiaudio.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/lib.rs

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+use std::ffi::c_void;
+
+pub enum Parent {
+    None,
+    AsIfParented,
+    WithParent(*mut c_void)
+}
+
+pub struct WindowOpenOptions<'a> {
+    pub title: &'a str,
+
+    pub width: usize,
+    pub height: usize,
+
+    pub parent: Parent
+}