src/focus.rs


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//! Event handlers for dealing with window focus.

use xcb::x::{EnterNotifyEvent, FocusInEvent, NotifyDetail, NotifyMode};

use crate::WM;

impl WM<'_> {
    /// When a new window is entered, focus it.
    pub fn handle_enter_notify(&mut self, e: &EnterNotifyEvent) {
        if (e.mode() != NotifyMode::Normal || e.detail() == NotifyDetail::Inferior)
            && e.event() != self.conn.root()
        {
            return;
        }

        if let Some(pos) = self.clients.find_client_pos(e.event()) {
            self.clients.refocus(&self.conn, pos);
        }
    }

    /// When a window attempts to focus in, refocus the actually focused window to deal with some broken clients.
    pub fn handle_focus_in(&mut self, e: &FocusInEvent) {
        if !self.clients.is_focused(e.event()) {
            if let Some(pos) = self.clients.focused_pos() {
                self.clients.refocus(&self.conn, pos);
            }
        }
    }
}