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use xcb::x::{
self, EnterNotifyEvent, FocusInEvent, InputFocus, NotifyDetail, NotifyMode, SetInputFocus,
Window,
};
use crate::{error::*, WM};
impl WM<'_> {
/// When a new window is entered, focus it.
pub fn handle_enter_notify(&mut self, e: EnterNotifyEvent) -> Result<()> {
if (e.mode() != NotifyMode::Normal || e.detail() == NotifyDetail::Inferior)
&& e.event() != self.root
{
return Ok(());
}
self.focus_window(e.event());
self.conn.flush()?;
Ok(())
}
/// When a new window requests focus, focus it.
pub fn handle_focus_in(&mut self, e: FocusInEvent) -> Result<()> {
if self
.clients
.focused_mut()
.map(|c| c.window() != e.event())
.unwrap_or(true)
{
self.focus_window(e.event());
self.conn.flush()?;
}
Ok(())
}
/// Attempt to focus the given window, even if it isn't managed.
/// This function sends multiple requests without checking them, so `conn.flush()` should be called after.
pub fn focus_window(&mut self, window: Window) {
if let Some((mon, i)) = self.clients.find_client_pos(window) {
self.refocus(mon, i);
} else {
self.conn.send_request(&SetInputFocus {
revert_to: InputFocus::PointerRoot,
focus: window,
time: x::CURRENT_TIME,
});
// TODO: XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
}
/// Refocus on the client with the given co-ordinates, setting X11 properties as required.
/// This function sends multiple requests without checking them, so `conn.flush()` should be called after.
pub fn refocus(&mut self, mon: usize, i: usize) {
self.unfocus();
if let Some(new) = self.clients.set_focused(mon, i) {
new.set_border(self.conn, self.colours.border_focused());
// TODO: reset urgent flag
// TODO: something to do with grabbuttons
// TODO: set input focus
// TODO: set active window
// TODO: send wmtakefocus event
}
}
/// Unfocus the currently focused window, if it exists.
/// This function sends multiple requests without checking them, so `conn.flush()` should be called after.
pub fn unfocus(&mut self) {
if let Some(old) = self.clients.focused_mut() {
old.set_border(self.conn, self.colours.border_normal());
}
}
}
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