use std::collections::VecDeque;
use std::sync::Arc;
use CreationError;
use CursorState;
use Event;
use MouseCursor;
use WindowAttributes;
use libc;
use api::wayland;
use api::x11;
use api::x11::XConnection;
use api::x11::XError;
use api::x11::XNotSupported;
use api::x11::ffi::XVisualInfo;
#[derive(Clone, Default)]
pub struct PlatformSpecificWindowBuilderAttributes {
pub visual_infos: Option<XVisualInfo>,
pub screen_id: Option<i32>,
}
pub enum Backend {
X(Arc<XConnection>),
Wayland(Arc<wayland::WaylandContext>),
Error(XNotSupported),
}
lazy_static!(
pub static ref BACKEND: Backend = {
if let Some(ctxt) = wayland::WaylandContext::init() {
Backend::Wayland(Arc::new(ctxt))
} else {
match XConnection::new(Some(x_error_callback)) {
Ok(x) => Backend::X(Arc::new(x)),
Err(e) => Backend::Error(e),
}
}
};
);
pub enum Window {
#[doc(hidden)]
X(x11::Window),
#[doc(hidden)]
Wayland(wayland::Window)
}
#[derive(Clone)]
pub enum WindowProxy {
#[doc(hidden)]
X(x11::WindowProxy),
#[doc(hidden)]
Wayland(wayland::WindowProxy)
}
impl WindowProxy {
#[inline]
pub fn wakeup_event_loop(&self) {
match self {
&WindowProxy::X(ref wp) => wp.wakeup_event_loop(),
&WindowProxy::Wayland(ref wp) => wp.wakeup_event_loop()
}
}
}
#[derive(Clone)]
pub enum MonitorId {
#[doc(hidden)]
X(x11::MonitorId),
#[doc(hidden)]
Wayland(wayland::MonitorId),
#[doc(hidden)]
None,
}
#[inline]
pub fn get_available_monitors() -> VecDeque<MonitorId> {
match *BACKEND {
Backend::Wayland(ref ctxt) => wayland::get_available_monitors(ctxt)
.into_iter()
.map(MonitorId::Wayland)
.collect(),
Backend::X(ref connec) => x11::get_available_monitors(connec)
.into_iter()
.map(MonitorId::X)
.collect(),
Backend::Error(_) => { let mut d = VecDeque::new(); d.push_back(MonitorId::None); d},
}
}
#[inline]
pub fn get_primary_monitor() -> MonitorId {
match *BACKEND {
Backend::Wayland(ref ctxt) => MonitorId::Wayland(wayland::get_primary_monitor(ctxt)),
Backend::X(ref connec) => MonitorId::X(x11::get_primary_monitor(connec)),
Backend::Error(_) => MonitorId::None,
}
}
impl MonitorId {
#[inline]
pub fn get_name(&self) -> Option<String> {
match self {
&MonitorId::X(ref m) => m.get_name(),
&MonitorId::Wayland(ref m) => m.get_name(),
&MonitorId::None => None,
}
}
#[inline]
pub fn get_native_identifier(&self) -> ::native_monitor::NativeMonitorId {
match self {
&MonitorId::X(ref m) => m.get_native_identifier(),
&MonitorId::Wayland(ref m) => m.get_native_identifier(),
&MonitorId::None => unimplemented!() }
}
#[inline]
pub fn get_dimensions(&self) -> (u32, u32) {
match self {
&MonitorId::X(ref m) => m.get_dimensions(),
&MonitorId::Wayland(ref m) => m.get_dimensions(),
&MonitorId::None => (800, 600), }
}
}
pub enum PollEventsIterator<'a> {
#[doc(hidden)]
X(x11::PollEventsIterator<'a>),
#[doc(hidden)]
Wayland(wayland::PollEventsIterator<'a>)
}
impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event;
#[inline]
fn next(&mut self) -> Option<Event> {
match self {
&mut PollEventsIterator::X(ref mut it) => it.next(),
&mut PollEventsIterator::Wayland(ref mut it) => it.next()
}
}
}
pub enum WaitEventsIterator<'a> {
#[doc(hidden)]
X(x11::WaitEventsIterator<'a>),
#[doc(hidden)]
Wayland(wayland::WaitEventsIterator<'a>)
}
impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event;
#[inline]
fn next(&mut self) -> Option<Event> {
match self {
&mut WaitEventsIterator::X(ref mut it) => it.next(),
&mut WaitEventsIterator::Wayland(ref mut it) => it.next()
}
}
}
impl Window {
#[inline]
pub fn new(window: &WindowAttributes, pl_attribs: &PlatformSpecificWindowBuilderAttributes)
-> Result<Window, CreationError>
{
match *BACKEND {
Backend::Wayland(ref ctxt) => {
wayland::Window::new(ctxt.clone(), window).map(Window::Wayland)
},
Backend::X(ref connec) => {
x11::Window::new(connec, window, pl_attribs).map(Window::X)
},
Backend::Error(ref error) => {
panic!() }
}
}
#[inline]
pub fn set_title(&self, title: &str) {
match self {
&Window::X(ref w) => w.set_title(title),
&Window::Wayland(ref w) => w.set_title(title)
}
}
#[inline]
pub fn show(&self) {
match self {
&Window::X(ref w) => w.show(),
&Window::Wayland(ref w) => w.show()
}
}
#[inline]
pub fn hide(&self) {
match self {
&Window::X(ref w) => w.hide(),
&Window::Wayland(ref w) => w.hide()
}
}
#[inline]
pub fn get_position(&self) -> Option<(i32, i32)> {
match self {
&Window::X(ref w) => w.get_position(),
&Window::Wayland(ref w) => w.get_position()
}
}
#[inline]
pub fn set_position(&self, x: i32, y: i32) {
match self {
&Window::X(ref w) => w.set_position(x, y),
&Window::Wayland(ref w) => w.set_position(x, y)
}
}
#[inline]
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
match self {
&Window::X(ref w) => w.get_inner_size(),
&Window::Wayland(ref w) => w.get_inner_size()
}
}
#[inline]
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
match self {
&Window::X(ref w) => w.get_outer_size(),
&Window::Wayland(ref w) => w.get_outer_size()
}
}
#[inline]
pub fn set_inner_size(&self, x: u32, y: u32) {
match self {
&Window::X(ref w) => w.set_inner_size(x, y),
&Window::Wayland(ref w) => w.set_inner_size(x, y)
}
}
#[inline]
pub fn create_window_proxy(&self) -> WindowProxy {
match self {
&Window::X(ref w) => WindowProxy::X(w.create_window_proxy()),
&Window::Wayland(ref w) => WindowProxy::Wayland(w.create_window_proxy())
}
}
#[inline]
pub fn poll_events(&self) -> PollEventsIterator {
match self {
&Window::X(ref w) => PollEventsIterator::X(w.poll_events()),
&Window::Wayland(ref w) => PollEventsIterator::Wayland(w.poll_events())
}
}
#[inline]
pub fn wait_events(&self) -> WaitEventsIterator {
match self {
&Window::X(ref w) => WaitEventsIterator::X(w.wait_events()),
&Window::Wayland(ref w) => WaitEventsIterator::Wayland(w.wait_events())
}
}
#[inline]
pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) {
match self {
&mut Window::X(ref mut w) => w.set_window_resize_callback(callback),
&mut Window::Wayland(ref mut w) => w.set_window_resize_callback(callback)
}
}
#[inline]
pub fn set_cursor(&self, cursor: MouseCursor) {
match self {
&Window::X(ref w) => w.set_cursor(cursor),
&Window::Wayland(ref w) => w.set_cursor(cursor)
}
}
#[inline]
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
match self {
&Window::X(ref w) => w.set_cursor_state(state),
&Window::Wayland(ref w) => w.set_cursor_state(state)
}
}
#[inline]
pub fn hidpi_factor(&self) -> f32 {
match self {
&Window::X(ref w) => w.hidpi_factor(),
&Window::Wayland(ref w) => w.hidpi_factor()
}
}
#[inline]
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
match self {
&Window::X(ref w) => w.set_cursor_position(x, y),
&Window::Wayland(ref w) => w.set_cursor_position(x, y)
}
}
#[inline]
pub fn platform_display(&self) -> *mut libc::c_void {
use wayland_client::Proxy;
match self {
&Window::X(ref w) => w.platform_display(),
&Window::Wayland(ref w) => w.get_display().ptr() as *mut _
}
}
#[inline]
pub fn platform_window(&self) -> *mut libc::c_void {
use wayland_client::Proxy;
match self {
&Window::X(ref w) => w.platform_window(),
&Window::Wayland(ref w) => w.get_surface().ptr() as *mut _
}
}
}
unsafe extern "C" fn x_error_callback(dpy: *mut x11::ffi::Display, event: *mut x11::ffi::XErrorEvent)
-> libc::c_int
{
use std::ffi::CStr;
if let Backend::X(ref x) = *BACKEND {
let mut buff: Vec<u8> = Vec::with_capacity(1024);
(x.xlib.XGetErrorText)(dpy, (*event).error_code as i32, buff.as_mut_ptr() as *mut libc::c_char, buff.capacity() as i32);
let description = CStr::from_ptr(buff.as_mut_ptr() as *const libc::c_char).to_string_lossy();
let error = XError {
description: description.into_owned(),
error_code: (*event).error_code,
request_code: (*event).request_code,
minor_code: (*event).minor_code,
};
*x.latest_error.lock().unwrap() = Some(error);
}
0
}