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Add option to make window "always on top" (#528)

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* macOS: always_on_top

* Windows: always_on_top

* X11: always_on_top

* Stub set_always_on_top on other platforms
This commit is contained in:
Francesca Frangipane 2018-05-20 10:24:05 -04:00 • committed by GitHub
parent f6d26df64d
commit f51f7c0ca8
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11 changed files with 161 additions and 4 deletions
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8
src/platform/linux/mod.rs
View file

@ -302,6 +302,14 @@ impl Window {
}
}
#[inline]
pub fn set_always_on_top(&self, always_on_top: bool) {
match self {
&Window::X(ref w) => w.set_always_on_top(always_on_top),
&Window::Wayland(_) => (),
}
}
#[inline]
pub fn set_window_icon(&self, window_icon: Option<Icon>) {
match self {

32
src/platform/linux/x11/window.rs
View file

@ -299,8 +299,15 @@ impl Window2 {
}.queue();
// These properties must be set after mapping
window.set_maximized_inner(window_attrs.maximized).queue();
window.set_fullscreen_inner(window_attrs.fullscreen.clone()).queue();
if window_attrs.maximized {
window.set_maximized_inner(window_attrs.maximized).queue();
}
if window_attrs.fullscreen.is_some() {
window.set_fullscreen_inner(window_attrs.fullscreen.clone()).queue();
}
if window_attrs.always_on_top {
window.set_always_on_top_inner(window_attrs.always_on_top).queue();
}
if window_attrs.visible {
unsafe {
@ -498,6 +505,27 @@ impl Window2 {
self.invalidate_cached_frame_extents();
}
fn set_always_on_top_inner(&self, always_on_top: bool) -> util::Flusher {
let xconn = &self.x.display;
let above_atom = unsafe { util::get_atom(xconn, b"_NET_WM_STATE_ABOVE\0") }
.expect("Failed to call XInternAtom (_NET_WM_STATE_ABOVE)");
Window2::set_netwm(
xconn,
self.x.window,
self.x.root,
(above_atom as c_long, 0, 0, 0),
always_on_top.into(),
)
}
pub fn set_always_on_top(&self, always_on_top: bool) {
self.set_always_on_top_inner(always_on_top)
.flush()
.expect("Failed to set always-on-top state");
}
fn set_icon_inner(&self, icon: Icon) -> util::Flusher {
let xconn = &self.x.display;