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|
use xcb::{
x::{
ChangeProperty, ChangeWindowAttributes, ConfigWindow, ConfigureNotifyEvent,
ConfigureWindow, Cw, EventMask, MapWindow, SendEvent, SendEventDest, Window,
},
VoidCookie, VoidCookieChecked, Xid,
};
use crate::{config::BORDER_WIDTH, conn_info::Connection};
use super::hints;
/// Information about a single client / window
#[derive(Debug)]
pub struct Client {
/// The corresponding X11 window
window: Window,
x: i16,
y: i16,
width: u16,
height: u16,
border_width: u16,
mapped: bool,
urgent: bool,
never_focus: bool,
}
impl Client {
pub const fn new(window: Window) -> Self {
Self {
window,
x: 0,
y: 0,
width: 0,
height: 0,
border_width: BORDER_WIDTH,
mapped: false,
urgent: false,
never_focus: false,
}
}
/// Send a configure configure notify event with the current geometry.
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn configure_notify(&self, conn: &Connection<'_>) {
conn.send_request(&SendEvent {
destination: SendEventDest::Window(self.window),
event_mask: EventMask::STRUCTURE_NOTIFY,
event: &ConfigureNotifyEvent::new(
self.window,
self.window,
Window::none(),
self.x,
self.y,
self.width,
self.height,
self.border_width,
false,
),
propagate: false,
});
}
/// Set this client's geometry, also updating the X11 window if needed.
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn set_geom(
&mut self,
conn: &Connection<'_>,
x: i16,
y: i16,
width: u16,
height: u16,
border_width: u16,
) {
if (x, y, width, height, border_width)
== (self.x, self.y, self.width, self.height, self.border_width)
{
return;
}
self.x = x;
self.y = y;
self.width = width;
self.height = height;
self.border_width = border_width;
conn.send_request(&ConfigureWindow {
window: self.window,
value_list: &[
ConfigWindow::X(self.x.into()),
ConfigWindow::Y(self.y.into()),
ConfigWindow::Width(self.width.into()),
ConfigWindow::Height(self.height.into()),
ConfigWindow::BorderWidth(self.border_width.into()),
],
});
}
/// Set the border colour of the X11 window to the given value (see `crate::colours::Colours`)
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn set_border(&self, conn: &Connection<'_>, colour: u32) {
conn.send_request(&ChangeWindowAttributes {
window: self.window(),
value_list: &[Cw::BorderPixel(colour)],
});
}
/// Ensure this client is currently mapped / visible
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn ensure_mapped(&mut self, conn: &Connection<'_>) {
if !self.mapped {
conn.send_request(&MapWindow {
window: self.window,
});
self.mapped = true;
}
}
/// Get the associated window
pub const fn window(&self) -> Window {
self.window
}
/// Set the event mask for this window
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn set_event_mask(
&self,
conn: &Connection<'_>,
event_mask: EventMask,
) -> VoidCookieChecked {
conn.send_request_checked(&ChangeWindowAttributes {
window: self.window(),
value_list: &[Cw::EventMask(event_mask)],
})
}
/// Sync the non-geometry related properties with EWMH hints
/// This function does not check for success, so `conn.flush()` should be called after.
pub fn sync_properties(&mut self, conn: &Connection<'_>, focused: bool) {
let Some(mut hints) = hints::Xwm::get(conn, self.window) else {
return;
};
if focused && hints.is_urgent() {
hints.set_urgent(false);
hints.apply(conn, self.window);
} else {
self.urgent = hints.is_urgent();
}
self.never_focus = hints.input().is_some_and(|i| !i);
}
/// Set the given window as withdrawn / not withdrawn.
pub fn set_withdrawn(&self, conn: &Connection<'_>, withdrawn: bool) -> VoidCookieChecked {
conn.send_request_checked(&ChangeProperty {
mode: xcb::x::PropMode::Replace,
window: self.window,
property: conn.atoms.wm_state,
r#type: conn.atoms.wm_state,
data: &[u32::from(!withdrawn), 0_u32],
})
}
pub fn set_urgent(&mut self, urgent: bool) {
self.urgent = urgent;
}
pub const fn border_width(&self) -> u16 {
self.border_width
}
pub const fn never_focus(&self) -> bool {
self.never_focus
}
}
|
