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window: x11: avoid extraneous title updates

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Avoid setting the title again if it matches the last thing we set;
this in turn avoids receiving a property update from the window
manager to tell us that we set the title.

refs: #964 (but isn't the root cause)
This commit is contained in:
Wez Furlong 2021-07-21 08:54:27 -07:00
parent 4a8c4d1c30
commit 07dfccaddd
1 changed files with 6 additions and 0 deletions
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6
window/src/os/x11/window.rs
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@ -62,6 +62,7 @@ pub(crate) struct XWindowInner {
copy_and_paste: CopyAndPaste,
config: ConfigHandle,
appearance: Appearance,
title: String,
}
impl Drop for XWindowInner {
@ -745,6 +746,7 @@ impl XWindow {
let appearance = conn.get_appearance();
Arc::new(Mutex::new(XWindowInner {
title: String::new(),
appearance,
window_id,
conn: Rc::downgrade(&conn),
@ -842,6 +844,10 @@ impl XWindowInner {
/// Change the title for the window manager
fn set_title(&mut self, title: &str) {
if title == self.title {
return;
}
self.title = title.to_string();
// Ideally, we'd simply call this:
// xcb_util::icccm::set_wm_name(self.conn().conn(), self.window_id, title);
// However, it uses ATOM_STRING internally, rather than UTF8_STRING