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Do the linux backend choice only once at startup.

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This commit is contained in:
Victor Berger 2015-05-13 17:27:54 +02:00
parent a6c33ef958
commit 1dc2cb27cf
1 changed files with 31 additions and 24 deletions
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55
src/platform/linux/api_dispatch.rs
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@ -17,6 +17,22 @@ use libc;
use api::wayland;
use api::x11;
enum Backend {
X,
Wayland
}
lazy_static!(
static ref BACKEND: Backend = {
// Wayland backend is not production-ready yet so we disable it
if false && wayland::is_available() {
Backend::Wayland
} else {
Backend::X
}
};
);
pub enum Window {
#[doc(hidden)]
X(x11::Window),
@ -49,25 +65,21 @@ pub enum MonitorID {
}
pub fn get_available_monitors() -> VecDeque<MonitorID> {
if false && wayland::is_available() {
// We are doing wayland
wayland::get_available_monitors()
.into_iter()
.map(|m| MonitorID::Wayland(m))
.collect()
} else {
// Fallback on X
x11::get_available_monitors()
.into_iter()
.map(|m| MonitorID::X(m))
.collect()
match *BACKEND {
Backend::Wayland => wayland::get_available_monitors()
.into_iter()
.map(MonitorID::Wayland)
.collect(),
Backend::X => x11::get_available_monitors()
.into_iter()
.map(MonitorID::X)
.collect(),
}
}
pub fn get_primary_monitor() -> MonitorID {
if false && wayland::is_available() {
MonitorID::Wayland(wayland::get_primary_monitor())
} else {
MonitorID::X(x11::get_primary_monitor())
match *BACKEND {
Backend::Wayland => MonitorID::Wayland(wayland::get_primary_monitor()),
Backend::X => MonitorID::X(x11::get_primary_monitor()),
}
}
@ -133,14 +145,9 @@ impl<'a> Iterator for WaitEventsIterator<'a> {
impl Window {
pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
if false && wayland::is_available() {
// we have a wayland connection, go for it
let window = try!(wayland::Window::new(builder));
Ok(Window::Wayland(window))
} else {
// fallback on X
let window = try!(x11::Window::new(builder));
Ok(Window::X(window))
match *BACKEND {
Backend::Wayland => wayland::Window::new(builder).map(Window::Wayland),
Backend::X => x11::Window::new(builder).map(Window::X),
}
}