From 89a6a257f89bba997e778160c53938be371ec6ac Mon Sep 17 00:00:00 2001 From: Irene Knapp Date: Wed, 11 Nov 2026 20:39:00 -0700 Subject: graphics contexts! with RAII! much trait refactoring the way forward to structure this cleanly is clear now, as well, but not implemented yet Force-Push: yes Change-Id: Ib3905edcfd49bf19d0fa7e4285f2edfed312d539 --- src/xcontext.rs | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/xcontext.rs (limited to 'src/xcontext.rs') diff --git a/src/xcontext.rs b/src/xcontext.rs new file mode 100644 index 0000000..d9543f7 --- /dev/null +++ b/src/xcontext.rs @@ -0,0 +1,44 @@ +use crate::xtypes::*; + +use std::sync::Arc; + +use xcb::x::{ self, Drawable, CreateGc, FreeGc }; + + +pub struct GraphicContext { + display: Arc, + context_id: x::Gcontext, +} + + +impl GraphicContext { + pub fn new(display: Arc, drawable: Drawable) + -> xcb::Result + { + let context_id: x::Gcontext = display.generate_id(); + let cookie = display.send_request_checked(&CreateGc { + cid: context_id, + drawable, + value_list: &[], + }); + display.check_request(cookie)?; + + Ok(GraphicContext { display, context_id }) + } +} + +impl Drop for GraphicContext { + fn drop(&mut self) { + let cookie = self.send_request_checked(&FreeGc { gc: self.context_id }); + let _ = self.check_request(cookie); // TODO + } +} + +impl HasDisplay for GraphicContext { + fn display(&self) -> &Arc { &self.display } +} + +impl HasConnection for GraphicContext { + fn connection(&self) -> &Connection { self.display.connection() } +} + -- cgit 1.4.1