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Add a way to embed the X11 window into another

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Signed-off-by: John Nunley <dev@notgull.net>
Tested-by: Kirill Chibisov <contact@kchibisov.com>
This commit is contained in:
John Nunley 2023-08-11 02:30:55 -07:00 • committed by GitHub
parent 2233edb9a0
commit dc973883c9
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 160 additions and 35 deletions
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3
src/platform_impl/linux/x11/atoms.rs
View file

@ -99,7 +99,8 @@ atom_manager! {
_NET_CLIENT_LIST,
_NET_FRAME_EXTENTS,
_NET_SUPPORTED,
_NET_SUPPORTING_WM_CHECK
_NET_SUPPORTING_WM_CHECK,
_XEMBED
}
impl Index<AtomName> for Atoms {

56
src/platform_impl/linux/x11/window.rs
View file

@ -126,6 +126,15 @@ pub(crate) struct UnownedWindow {
activation_sender: WakeSender<super::ActivationToken>,
}
macro_rules! leap {
($e:expr) => {
match $e {
Ok(x) => x,
Err(err) => return Err(os_error!(OsError::XError(X11Error::from(err).into()))),
}
};
}
impl UnownedWindow {
#[allow(clippy::unnecessary_cast)]
pub(crate) fn new<T>(
@ -133,15 +142,6 @@ impl UnownedWindow {
window_attrs: WindowAttributes,
pl_attribs: PlatformSpecificWindowBuilderAttributes,
) -> Result<UnownedWindow, RootOsError> {
macro_rules! leap {
($e:expr) => {
match $e {
Ok(x) => x,
Err(err) => return Err(os_error!(OsError::XError(X11Error::from(err).into()))),
}
};
}
let xconn = &event_loop.xconn;
let atoms = xconn.atoms();
let root = match window_attrs.parent_window {
@ -210,7 +210,7 @@ impl UnownedWindow {
dimensions
};
let screen_id = match pl_attribs.screen_id {
let screen_id = match pl_attribs.x11.screen_id {
Some(id) => id,
None => xconn.default_screen_index() as c_int,
};
@ -230,7 +230,7 @@ impl UnownedWindow {
});
// creating
let (visualtype, depth, require_colormap) = match pl_attribs.visual_id {
let (visualtype, depth, require_colormap) = match pl_attribs.x11.visual_id {
Some(vi) => {
// Find this specific visual.
let (visualtype, depth) = all_visuals
@ -271,12 +271,12 @@ impl UnownedWindow {
aux = aux.event_mask(event_mask).border_pixel(0);
if pl_attribs.override_redirect {
if pl_attribs.x11.override_redirect {
aux = aux.override_redirect(true as u32);
}
// Add a colormap if needed.
let colormap_visual = match pl_attribs.visual_id {
let colormap_visual = match pl_attribs.x11.visual_id {
Some(vi) => Some(vi),
None if require_colormap => Some(visual),
_ => None,
@ -298,6 +298,9 @@ impl UnownedWindow {
aux
};
// Figure out the window's parent.
let parent = pl_attribs.x11.embed_window.unwrap_or(root);
// finally creating the window
let xwindow = {
let (x, y) = position.map_or((0, 0), Into::into);
@ -305,7 +308,7 @@ impl UnownedWindow {
let result = xconn.xcb_connection().create_window(
depth,
wid,
root,
parent,
x,
y,
dimensions.0.try_into().unwrap(),
@ -357,6 +360,11 @@ impl UnownedWindow {
leap!(window.set_theme_inner(Some(theme))).ignore_error();
}
// Embed the window if needed.
if pl_attribs.x11.embed_window.is_some() {
window.embed_window()?;
}
{
// Enable drag and drop (TODO: extend API to make this toggleable)
{
@ -407,7 +415,7 @@ impl UnownedWindow {
flusher.ignore_error()
}
leap!(window.set_window_types(pl_attribs.x11_window_types)).ignore_error();
leap!(window.set_window_types(pl_attribs.x11.x11_window_types)).ignore_error();
// Set size hints.
let mut min_inner_size = window_attrs
@ -430,7 +438,7 @@ impl UnownedWindow {
shared_state.min_inner_size = min_inner_size.map(Into::into);
shared_state.max_inner_size = max_inner_size.map(Into::into);
shared_state.resize_increments = window_attrs.resize_increments;
shared_state.base_size = pl_attribs.base_size;
shared_state.base_size = pl_attribs.x11.base_size;
let normal_hints = WmSizeHints {
position: position.map(|PhysicalPosition { x, y }| {
@ -447,6 +455,7 @@ impl UnownedWindow {
.resize_increments
.map(|size| cast_size_to_hint(size, scale_factor)),
base_size: pl_attribs
.x11
.base_size
.map(|size| cast_size_to_hint(size, scale_factor)),
aspect: None,
@ -559,6 +568,21 @@ impl UnownedWindow {
Ok(window)
}
/// Embed this window into a parent window.
pub(super) fn embed_window(&self) -> Result<(), RootOsError> {
let atoms = self.xconn.atoms();
leap!(leap!(self.xconn.change_property(
self.xwindow,
atoms[_XEMBED],
atoms[_XEMBED],
xproto::PropMode::REPLACE,
&[0u32, 1u32],
))
.check());
Ok(())
}
pub(super) fn shared_state_lock(&self) -> MutexGuard<'_, SharedState> {
self.shared_state.lock().unwrap()
}