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authorbnewbold <bnewbold@robocracy.org>2016-06-12 12:14:27 -0400
committerbnewbold <bnewbold@robocracy.org>2016-06-12 12:23:15 -0400
commitd9b4ae8b2c6b37311f0bdff12bd438bbad456346 (patch)
treeb3384bbdf5c70e613060c089f4aee3c895416bbe
parentbea8daf5e49055bc72ab7f61d245463b1ef1f1bd (diff)
downloadglutin-feature-existing.zip
glutin-feature-existing.tar.gz
examples: existing_windowfeature-existing
-rw-r--r--examples/existing_window.rs63
1 files changed, 63 insertions, 0 deletions
diff --git a/examples/existing_window.rs b/examples/existing_window.rs
new file mode 100644
index 0000000..6fa6a21
--- /dev/null
+++ b/examples/existing_window.rs
@@ -0,0 +1,63 @@
+#![cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd"))]
+
+extern crate glutin;
+
+use std::env;
+use std::u64;
+use std::process::exit;
+mod support;
+
+use glutin::os::unix::WindowBuilderExt;
+
+fn resize_callback(width: u32, height: u32) {
+ println!("Window resized to {}x{}", width, height);
+}
+
+fn usage() {
+ println!("This example requires a single argument (a hex/decimal X Window ID");
+ println!("You can find this with, eg, 'xwininfo -tree'");
+}
+
+fn main() {
+
+ let args: Vec<String> = env::args().collect();
+
+ if args.len() != 2 {
+ usage();
+ exit(-1);
+ }
+
+ let window_id_parse = {
+ if (&args[1]).starts_with("0x") {
+ u64::from_str_radix(args[1].trim_left_matches('0').trim_left_matches('x'), 16)
+ } else {
+ args[1].parse::<u64>()
+ }
+ };
+ let window_id = window_id_parse.expect("Failed to parse numerical arg");
+
+ let mut window = glutin::WindowBuilder::new()
+ .from_existing_window(window_id)
+ .build()
+ .unwrap();
+ window.set_window_resize_callback(Some(resize_callback as fn(u32, u32)));
+ let _ = unsafe { window.make_current() };
+
+ println!("Pixel format of the window: {:?}", window.get_pixel_format());
+
+ let context = support::load(&window);
+
+ println!("Mouse over target window to draw; events will be printed here");
+
+ for event in window.wait_events() {
+ context.draw_frame((0.0, 1.0, 0.0, 1.0));
+ let _ = window.swap_buffers();
+
+ println!("{:?}", event);
+
+ match event {
+ glutin::Event::Closed => break,
+ _ => ()
+ }
+ }
+}