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wayland: fall back to 'default' for pointers that are not found

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This allows for potentially listing multiple candidate cursor names,
like we do for x11, but doesn't add any.

Attempt to load default if our desired cursor is not found.

refs: https://github.com/wez/wezterm/issues/3334
This commit is contained in:
Wez Furlong 2023-04-19 10:29:01 -07:00
parent 21e19ca091
commit 048e8dd1ba
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GPG Key ID: 7A7F66A31EC9B387
2 changed files with 25 additions and 14 deletions
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22
window/src/os/wayland/pointer.rs
View File

@ -340,16 +340,26 @@ impl PointerDispatcher {
.insert(surface.as_ref().id(), Arc::clone(pending));
}
pub fn set_cursor(&self, name: Option<&str>, serial: Option<u32>) {
pub fn set_cursor(&self, names: &[&str], serial: Option<u32>) {
let inner = self.inner.lock().unwrap();
let serial = serial.unwrap_or(inner.serial);
if let Some(name) = name {
if let Err(err) = self.auto_pointer.set_cursor(name, Some(serial)) {
log::error!("Unable to set cursor to {}: {:#}", name, err);
}
} else {
if names.is_empty() {
(*self.auto_pointer).set_cursor(0, None, 0, 0);
} else {
let mut errors = vec![];
for name in names {
match self.auto_pointer.set_cursor(name, Some(serial)) {
Ok(_) => return,
Err(err) => errors.push(format!("Unable to set cursor to {name}: {err:#}")),
}
}
if let Err(err) = self.auto_pointer.set_cursor("default", Some(serial)) {
errors.push(format!("Unable to set cursor to 'default': {err:#}"));
}
log::error!("set_cursor: {}", errors.join(", "));
}
}
}

17
window/src/os/wayland/window.rs
View File

@ -1107,15 +1107,16 @@ impl WaylandWindowInner {
}
fn set_cursor(&mut self, cursor: Option<MouseCursor>) {
let cursor = cursor.map(|cursor| match cursor {
MouseCursor::Arrow => "arrow",
MouseCursor::Hand => "hand",
MouseCursor::SizeUpDown => "ns-resize",
MouseCursor::SizeLeftRight => "ew-resize",
MouseCursor::Text => "xterm",
});
let names: &[&str] = match cursor {
Some(MouseCursor::Arrow) => &["arrow"],
Some(MouseCursor::Hand) => &["hand"],
Some(MouseCursor::SizeUpDown) => &["ns-resize"],
Some(MouseCursor::SizeLeftRight) => &["ew-resize"],
Some(MouseCursor::Text) => &["xterm"],
None => &[],
};
let conn = Connection::get().unwrap().wayland();
conn.pointer.borrow().set_cursor(cursor, None);
conn.pointer.borrow().set_cursor(names, None);
}
fn invalidate(&mut self) {