mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-12-23 22:01:31 +11:00
Rework the X implementation to use only one X connection
This commit is contained in:
Pierre Krieger
parent
7fe85cbc49
commit
3376332a85
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@ -21,7 +21,7 @@ libc = "0.1"
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shared_library = "0.1.0"
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[build-dependencies]
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gl_generator = "0.0.25"
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gl_generator = "0.0.26"
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khronos_api = "0.0.5"
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[dev-dependencies]
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@ -1,860 +1,12 @@
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#![cfg(all(target_os = "linux", feature = "window"))]
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use {Event, BuilderAttribs, MouseCursor};
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use CreationError;
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use CreationError::OsError;
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use libc;
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use std::{mem, ptr};
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use std::cell::Cell;
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use std::ffi::CString;
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use std::sync::atomic::AtomicBool;
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use std::collections::VecDeque;
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use std::sync::{Arc, Mutex, Once, ONCE_INIT};
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use Api;
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use CursorState;
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use GlContext;
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use GlRequest;
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use PixelFormat;
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use api::dlopen;
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use api::glx::Context as GlxContext;
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use api::egl::Context as EglContext;
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use platform::MonitorID as PlatformMonitorID;
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pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor};
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pub use self::window::{Window, XWindow, PollEventsIterator, WaitEventsIterator, Context, WindowProxy};
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pub use self::xdisplay::XConnection;
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pub mod ffi;
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mod events;
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mod monitor;
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pub mod ffi;
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static THREAD_INIT: Once = ONCE_INIT;
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// XOpenIM doesn't seem to be thread-safe
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lazy_static! { // TODO: use a static mutex when that's possible, and put me back in my function
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static ref GLOBAL_XOPENIM_LOCK: Mutex<()> = Mutex::new(());
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}
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unsafe extern "C" fn x_error_callback(_: *mut ffi::Display, event: *mut ffi::XErrorEvent) -> libc::c_int {
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println!("[glutin] x error code={} major={} minor={}!", (*event).error_code, (*event).request_code, (*event).minor_code);
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0
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}
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fn ensure_thread_init(xlib: &ffi::Xlib) {
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THREAD_INIT.call_once(|| {
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unsafe {
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(xlib.XInitThreads)();
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(xlib.XSetErrorHandler)(Some(x_error_callback));
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}
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});
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}
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// TODO: remove me
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fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) -> T {
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use std::ffi::CString;
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let c_str = CString::new(s.as_bytes().to_vec()).unwrap();
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f(c_str.as_ptr())
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}
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pub struct XWindow {
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xlib: ffi::Xlib,
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xf86vmode: ffi::Xf86vmode,
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xcursor: ffi::Xcursor,
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display: *mut ffi::Display,
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window: ffi::Window,
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pub context: Context,
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is_fullscreen: bool,
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screen_id: libc::c_int,
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xf86_desk_mode: *mut ffi::XF86VidModeModeInfo,
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ic: ffi::XIC,
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im: ffi::XIM,
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}
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pub enum Context {
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Glx(GlxContext),
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Egl(EglContext),
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None,
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}
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unsafe impl Send for XWindow {}
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unsafe impl Sync for XWindow {}
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unsafe impl Send for Window {}
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unsafe impl Sync for Window {}
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impl Drop for XWindow {
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fn drop(&mut self) {
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unsafe {
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// we don't call MakeCurrent(0, 0) because we are not sure that the context
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// is still the current one
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self.context = Context::None;
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if self.is_fullscreen {
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(self.xf86vmode.XF86VidModeSwitchToMode)(self.display, self.screen_id, self.xf86_desk_mode);
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(self.xf86vmode.XF86VidModeSetViewPort)(self.display, self.screen_id, 0, 0);
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}
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(self.xlib.XDestroyIC)(self.ic);
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(self.xlib.XCloseIM)(self.im);
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(self.xlib.XDestroyWindow)(self.display, self.window);
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(self.xlib.XCloseDisplay)(self.display);
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}
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}
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}
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#[derive(Clone)]
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pub struct WindowProxy {
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x: Arc<XWindow>,
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}
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impl WindowProxy {
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pub fn wakeup_event_loop(&self) {
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let mut xev = ffi::XClientMessageEvent {
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type_: ffi::ClientMessage,
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window: self.x.window,
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format: 32,
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message_type: 0,
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serial: 0,
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send_event: 0,
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display: self.x.display,
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data: unsafe { mem::zeroed() },
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};
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unsafe {
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(self.x.xlib.XSendEvent)(self.x.display, self.x.window, 0, 0, mem::transmute(&mut xev));
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(self.x.xlib.XFlush)(self.x.display);
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}
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}
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}
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pub struct PollEventsIterator<'a> {
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window: &'a Window,
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}
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impl<'a> Iterator for PollEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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loop {
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let mut xev = unsafe { mem::uninitialized() };
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let res = unsafe { (self.window.x.xlib.XCheckMaskEvent)(self.window.x.display, -1, &mut xev) };
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if res == 0 {
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let res = unsafe { (self.window.x.xlib.XCheckTypedEvent)(self.window.x.display, ffi::ClientMessage, &mut xev) };
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if res == 0 {
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return None;
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}
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}
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match xev.get_type() {
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ffi::KeymapNotify => {
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unsafe { (self.window.x.xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
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},
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ffi::ClientMessage => {
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use events::Event::{Closed, Awakened};
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use std::sync::atomic::Ordering::Relaxed;
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let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) };
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if client_msg.data.get_long(0) == self.window.wm_delete_window as libc::c_long {
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self.window.is_closed.store(true, Relaxed);
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return Some(Closed);
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} else {
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return Some(Awakened);
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}
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},
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ffi::ConfigureNotify => {
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use events::Event::Resized;
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let cfg_event: &ffi::XConfigureEvent = unsafe { mem::transmute(&xev) };
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let (current_width, current_height) = self.window.current_size.get();
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if current_width != cfg_event.width || current_height != cfg_event.height {
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self.window.current_size.set((cfg_event.width, cfg_event.height));
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return Some(Resized(cfg_event.width as u32, cfg_event.height as u32));
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}
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},
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ffi::Expose => {
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use events::Event::Refresh;
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return Some(Refresh);
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},
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ffi::MotionNotify => {
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use events::Event::MouseMoved;
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let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) };
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return Some(MouseMoved((event.x as i32, event.y as i32)));
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},
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ffi::KeyPress | ffi::KeyRelease => {
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use events::Event::{KeyboardInput, ReceivedCharacter};
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use events::ElementState::{Pressed, Released};
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let event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&mut xev) };
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if event.type_ == ffi::KeyPress {
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let raw_ev: *mut ffi::XKeyEvent = event;
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unsafe { (self.window.x.xlib.XFilterEvent)(mem::transmute(raw_ev), self.window.x.window) };
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}
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let state = if xev.get_type() == ffi::KeyPress { Pressed } else { Released };
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let written = unsafe {
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use std::str;
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let mut buffer: [u8; 16] = [mem::uninitialized(); 16];
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let raw_ev: *mut ffi::XKeyEvent = event;
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let count = (self.window.x.xlib.Xutf8LookupString)(self.window.x.ic, mem::transmute(raw_ev),
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mem::transmute(buffer.as_mut_ptr()),
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buffer.len() as libc::c_int, ptr::null_mut(), ptr::null_mut());
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str::from_utf8(&buffer[..count as usize]).unwrap_or("").to_string()
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};
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{
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let mut pending = self.window.pending_events.lock().unwrap();
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for chr in written.chars() {
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pending.push_back(ReceivedCharacter(chr));
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}
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}
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let keysym = unsafe {
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(self.window.x.xlib.XKeycodeToKeysym)(self.window.x.display, event.keycode as ffi::KeyCode, 0)
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};
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let vkey = events::keycode_to_element(keysym as libc::c_uint);
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return Some(KeyboardInput(state, event.keycode as u8, vkey));
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},
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ffi::ButtonPress | ffi::ButtonRelease => {
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use events::Event::{MouseInput, MouseWheel};
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use events::ElementState::{Pressed, Released};
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use events::MouseButton::{Left, Right, Middle};
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let event: &ffi::XButtonEvent = unsafe { mem::transmute(&xev) };
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let state = if xev.get_type() == ffi::ButtonPress { Pressed } else { Released };
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let button = match event.button {
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ffi::Button1 => Some(Left),
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ffi::Button2 => Some(Middle),
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ffi::Button3 => Some(Right),
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ffi::Button4 => {
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self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, 1.0));
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None
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}
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ffi::Button5 => {
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self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, -1.0));
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None
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}
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_ => None
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};
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match button {
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Some(button) =>
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return Some(MouseInput(state, button)),
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None => ()
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};
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},
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_ => ()
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};
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}
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}
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}
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pub struct WaitEventsIterator<'a> {
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window: &'a Window,
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}
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impl<'a> Iterator for WaitEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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use std::mem;
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while !self.window.is_closed() {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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// this will block until an event arrives, but doesn't remove
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// it from the queue
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let mut xev = unsafe { mem::uninitialized() };
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unsafe { (self.window.x.xlib.XPeekEvent)(self.window.x.display, &mut xev) };
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// calling poll_events()
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if let Some(ev) = self.window.poll_events().next() {
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return Some(ev);
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}
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}
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None
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}
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}
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pub struct Window {
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pub x: Arc<XWindow>,
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is_closed: AtomicBool,
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wm_delete_window: ffi::Atom,
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current_size: Cell<(libc::c_int, libc::c_int)>,
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pixel_format: PixelFormat,
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/// Events that have been retreived with XLib but not dispatched with iterators yet
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pending_events: Mutex<VecDeque<Event>>,
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cursor_state: Mutex<CursorState>,
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}
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impl Window {
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pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
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let xlib = try!(ffi::Xlib::open().map_err(|_| CreationError::NotSupported));
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let xcursor = try!(ffi::Xcursor::open().map_err(|_| CreationError::NotSupported));
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let xf86vmode = try!(ffi::Xf86vmode::open().map_err(|_| CreationError::NotSupported));
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let glx = {
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let mut libglx = unsafe { dlopen::dlopen(b"libGL.so.1\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
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if libglx.is_null() {
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libglx = unsafe { dlopen::dlopen(b"libGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
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}
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if libglx.is_null() {
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return Err(CreationError::NotSupported);
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}
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ffi::glx::Glx::load_with(|sym| {
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let sym = CString::new(sym).unwrap();
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unsafe { dlopen::dlsym(libglx, sym.as_ptr()) }
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})
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};
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ensure_thread_init(&xlib);
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let dimensions = builder.dimensions.unwrap_or((800, 600));
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// calling XOpenDisplay
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let display = unsafe {
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let display = (xlib.XOpenDisplay)(ptr::null());
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if display.is_null() {
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return Err(OsError(format!("XOpenDisplay failed")));
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}
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display
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};
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let screen_id = match builder.monitor {
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Some(PlatformMonitorID::X(MonitorID(monitor))) => monitor as i32,
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_ => unsafe { (xlib.XDefaultScreen)(display) },
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};
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// getting the FBConfig
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let fb_config = unsafe {
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let mut visual_attributes = vec![
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ffi::glx::X_RENDERABLE as libc::c_int, 1,
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ffi::glx::DRAWABLE_TYPE as libc::c_int, ffi::glx::WINDOW_BIT as libc::c_int,
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ffi::glx::RENDER_TYPE as libc::c_int, ffi::glx::RGBA_BIT as libc::c_int,
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ffi::glx::X_VISUAL_TYPE as libc::c_int, ffi::glx::TRUE_COLOR as libc::c_int,
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ffi::glx::RED_SIZE as libc::c_int, 8,
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ffi::glx::GREEN_SIZE as libc::c_int, 8,
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ffi::glx::BLUE_SIZE as libc::c_int, 8,
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ffi::glx::ALPHA_SIZE as libc::c_int, 8,
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ffi::glx::DEPTH_SIZE as libc::c_int, 24,
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ffi::glx::STENCIL_SIZE as libc::c_int, 8,
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ffi::glx::DOUBLEBUFFER as libc::c_int, 1,
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];
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if let Some(val) = builder.multisampling {
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visual_attributes.push(ffi::glx::SAMPLE_BUFFERS as libc::c_int);
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visual_attributes.push(1);
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visual_attributes.push(ffi::glx::SAMPLES as libc::c_int);
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visual_attributes.push(val as libc::c_int);
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}
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if let Some(val) = builder.srgb {
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visual_attributes.push(ffi::glx_extra::FRAMEBUFFER_SRGB_CAPABLE_ARB as libc::c_int);
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visual_attributes.push(if val {1} else {0});
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}
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visual_attributes.push(0);
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let mut num_fb: libc::c_int = mem::uninitialized();
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let fb = glx.ChooseFBConfig(display as *mut _, (xlib.XDefaultScreen)(display),
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visual_attributes.as_ptr(), &mut num_fb);
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if fb.is_null() {
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return Err(OsError(format!("glx::ChooseFBConfig failed")));
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}
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let preferred_fb = *fb; // TODO: choose more wisely
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(xlib.XFree)(fb as *mut _);
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preferred_fb
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};
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let mut best_mode = -1;
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let modes = unsafe {
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let mut mode_num: libc::c_int = mem::uninitialized();
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let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized();
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if (xf86vmode.XF86VidModeGetAllModeLines)(display, screen_id, &mut mode_num, &mut modes) == 0 {
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return Err(OsError(format!("Could not query the video modes")));
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}
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for i in 0..mode_num {
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let mode: ffi::XF86VidModeModeInfo = ptr::read(*modes.offset(i as isize) as *const _);
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if mode.hdisplay == dimensions.0 as u16 && mode.vdisplay == dimensions.1 as u16 {
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best_mode = i;
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}
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};
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if best_mode == -1 && builder.monitor.is_some() {
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return Err(OsError(format!("Could not find a suitable graphics mode")));
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}
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modes
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};
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let xf86_desk_mode = unsafe {
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*modes.offset(0)
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};
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// getting the visual infos
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let visual_infos: ffi::glx::types::XVisualInfo = unsafe {
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let vi = glx.GetVisualFromFBConfig(display as *mut _, fb_config);
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if vi.is_null() {
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return Err(OsError(format!("glx::ChooseVisual failed")));
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}
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let vi_copy = ptr::read(vi as *const _);
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(xlib.XFree)(vi as *mut _);
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vi_copy
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};
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// querying the chosen pixel format
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let pixel_format = {
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let get_attrib = |attrib: libc::c_int| -> i32 {
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let mut value = 0;
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unsafe { glx.GetFBConfigAttrib(display as *mut _, fb_config, attrib, &mut value); }
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value
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};
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PixelFormat {
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hardware_accelerated: true,
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color_bits: get_attrib(ffi::glx::RED_SIZE as libc::c_int) as u8 +
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get_attrib(ffi::glx::GREEN_SIZE as libc::c_int) as u8 +
|
||||
get_attrib(ffi::glx::BLUE_SIZE as libc::c_int) as u8,
|
||||
alpha_bits: get_attrib(ffi::glx::ALPHA_SIZE as libc::c_int) as u8,
|
||||
depth_bits: get_attrib(ffi::glx::DEPTH_SIZE as libc::c_int) as u8,
|
||||
stencil_bits: get_attrib(ffi::glx::STENCIL_SIZE as libc::c_int) as u8,
|
||||
stereoscopy: get_attrib(ffi::glx::STEREO as libc::c_int) != 0,
|
||||
double_buffer: get_attrib(ffi::glx::DOUBLEBUFFER as libc::c_int) != 0,
|
||||
multisampling: if get_attrib(ffi::glx::SAMPLE_BUFFERS as libc::c_int) != 0 {
|
||||
Some(get_attrib(ffi::glx::SAMPLES as libc::c_int) as u16)
|
||||
}else { None },
|
||||
srgb: get_attrib(ffi::glx_extra::FRAMEBUFFER_SRGB_CAPABLE_ARB as libc::c_int) != 0,
|
||||
}
|
||||
};
|
||||
|
||||
// getting the root window
|
||||
let root = unsafe { (xlib.XDefaultRootWindow)(display) };
|
||||
|
||||
// creating the color map
|
||||
let cmap = unsafe {
|
||||
let cmap = (xlib.XCreateColormap)(display, root,
|
||||
visual_infos.visual as *mut _, ffi::AllocNone);
|
||||
// TODO: error checking?
|
||||
cmap
|
||||
};
|
||||
|
||||
// creating
|
||||
let mut set_win_attr = {
|
||||
let mut swa: ffi::XSetWindowAttributes = unsafe { mem::zeroed() };
|
||||
swa.colormap = cmap;
|
||||
swa.event_mask = ffi::ExposureMask | ffi::StructureNotifyMask |
|
||||
ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask |
|
||||
ffi::KeyReleaseMask | ffi::ButtonPressMask |
|
||||
ffi::ButtonReleaseMask | ffi::KeymapStateMask;
|
||||
swa.border_pixel = 0;
|
||||
swa.override_redirect = 0;
|
||||
swa
|
||||
};
|
||||
|
||||
let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi:: CWEventMask;
|
||||
if builder.monitor.is_some() {
|
||||
window_attributes |= ffi::CWOverrideRedirect;
|
||||
unsafe {
|
||||
(xf86vmode.XF86VidModeSwitchToMode)(display, screen_id, *modes.offset(best_mode as isize));
|
||||
(xf86vmode.XF86VidModeSetViewPort)(display, screen_id, 0, 0);
|
||||
set_win_attr.override_redirect = 1;
|
||||
}
|
||||
}
|
||||
|
||||
// finally creating the window
|
||||
let window = unsafe {
|
||||
let win = (xlib.XCreateWindow)(display, root, 0, 0, dimensions.0 as libc::c_uint,
|
||||
dimensions.1 as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput as libc::c_uint,
|
||||
visual_infos.visual as *mut _, window_attributes,
|
||||
&mut set_win_attr);
|
||||
win
|
||||
};
|
||||
|
||||
// set visibility
|
||||
if builder.visible {
|
||||
unsafe {
|
||||
(xlib.XMapRaised)(display, window);
|
||||
(xlib.XFlush)(display);
|
||||
}
|
||||
}
|
||||
|
||||
// creating window, step 2
|
||||
let wm_delete_window = unsafe {
|
||||
let mut wm_delete_window = with_c_str("WM_DELETE_WINDOW", |delete_window|
|
||||
(xlib.XInternAtom)(display, delete_window, 0)
|
||||
);
|
||||
(xlib.XSetWMProtocols)(display, window, &mut wm_delete_window, 1);
|
||||
with_c_str(&*builder.title, |title| {;
|
||||
(xlib.XStoreName)(display, window, title);
|
||||
});
|
||||
(xlib.XFlush)(display);
|
||||
|
||||
wm_delete_window
|
||||
};
|
||||
|
||||
// creating IM
|
||||
let im = unsafe {
|
||||
let _lock = GLOBAL_XOPENIM_LOCK.lock().unwrap();
|
||||
|
||||
let im = (xlib.XOpenIM)(display, ptr::null_mut(), ptr::null_mut(), ptr::null_mut());
|
||||
if im.is_null() {
|
||||
return Err(OsError(format!("XOpenIM failed")));
|
||||
}
|
||||
im
|
||||
};
|
||||
|
||||
// creating input context
|
||||
let ic = unsafe {
|
||||
let ic = with_c_str("inputStyle", |input_style|
|
||||
with_c_str("clientWindow", |client_window|
|
||||
(xlib.XCreateIC)(
|
||||
im, input_style,
|
||||
ffi::XIMPreeditNothing | ffi::XIMStatusNothing, client_window,
|
||||
window, ptr::null::<()>()
|
||||
)
|
||||
)
|
||||
);
|
||||
if ic.is_null() {
|
||||
return Err(OsError(format!("XCreateIC failed")));
|
||||
}
|
||||
(xlib.XSetICFocus)(ic);
|
||||
ic
|
||||
};
|
||||
|
||||
// Attempt to make keyboard input repeat detectable
|
||||
unsafe {
|
||||
let mut supported_ptr = ffi::False;
|
||||
(xlib.XkbSetDetectableAutoRepeat)(display, ffi::True, &mut supported_ptr);
|
||||
if supported_ptr == ffi::False {
|
||||
return Err(OsError(format!("XkbSetDetectableAutoRepeat failed")));
|
||||
}
|
||||
}
|
||||
|
||||
// Set ICCCM WM_CLASS property based on initial window title
|
||||
unsafe {
|
||||
with_c_str(&*builder.title, |c_name| {
|
||||
let hint = (xlib.XAllocClassHint)();
|
||||
(*hint).res_name = c_name as *mut i8;
|
||||
(*hint).res_class = c_name as *mut i8;
|
||||
(xlib.XSetClassHint)(display, window, hint);
|
||||
(xlib.XFree)(hint as *mut libc::c_void);
|
||||
});
|
||||
}
|
||||
|
||||
let is_fullscreen = builder.monitor.is_some();
|
||||
// creating the context
|
||||
let context = match builder.gl_version {
|
||||
GlRequest::Latest | GlRequest::Specific(Api::OpenGl, _) | GlRequest::GlThenGles { .. } => {
|
||||
Context::Glx(try!(GlxContext::new(glx, builder, display, window,
|
||||
fb_config, visual_infos)))
|
||||
},
|
||||
GlRequest::Specific(Api::OpenGlEs, _) => {
|
||||
let libegl = unsafe { dlopen::dlopen(b"libEGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
|
||||
if libegl.is_null() {
|
||||
return Err(CreationError::NotSupported);
|
||||
}
|
||||
let egl = ::api::egl::ffi::egl::Egl::load_with(|sym| {
|
||||
let sym = CString::new(sym).unwrap();
|
||||
unsafe { dlopen::dlsym(libegl, sym.as_ptr()) }
|
||||
});
|
||||
Context::Egl(try!(EglContext::new(egl, builder, Some(display as *const _), unsafe { mem::transmute(window) })))
|
||||
},
|
||||
GlRequest::Specific(_, _) => {
|
||||
return Err(CreationError::NotSupported);
|
||||
},
|
||||
};
|
||||
|
||||
// creating the window object
|
||||
let window = Window {
|
||||
x: Arc::new(XWindow {
|
||||
xlib: xlib,
|
||||
xcursor: xcursor,
|
||||
xf86vmode: xf86vmode,
|
||||
display: display,
|
||||
window: window,
|
||||
im: im,
|
||||
ic: ic,
|
||||
context: context,
|
||||
screen_id: screen_id,
|
||||
is_fullscreen: is_fullscreen,
|
||||
xf86_desk_mode: xf86_desk_mode,
|
||||
}),
|
||||
is_closed: AtomicBool::new(false),
|
||||
wm_delete_window: wm_delete_window,
|
||||
current_size: Cell::new((0, 0)),
|
||||
pixel_format: pixel_format,
|
||||
pending_events: Mutex::new(VecDeque::new()),
|
||||
cursor_state: Mutex::new(CursorState::Normal),
|
||||
};
|
||||
|
||||
// returning
|
||||
Ok(window)
|
||||
}
|
||||
|
||||
pub fn is_closed(&self) -> bool {
|
||||
use std::sync::atomic::Ordering::Relaxed;
|
||||
self.is_closed.load(Relaxed)
|
||||
}
|
||||
|
||||
pub fn set_title(&self, title: &str) {
|
||||
with_c_str(title, |title| unsafe {
|
||||
(self.x.xlib.XStoreName)(self.x.display, self.x.window, title);
|
||||
(self.x.xlib.XFlush)(self.x.display);
|
||||
})
|
||||
}
|
||||
|
||||
pub fn show(&self) {
|
||||
unsafe {
|
||||
(self.x.xlib.XMapRaised)(self.x.display, self.x.window);
|
||||
(self.x.xlib.XFlush)(self.x.display);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn hide(&self) {
|
||||
unsafe {
|
||||
(self.x.xlib.XUnmapWindow)(self.x.display, self.x.window);
|
||||
(self.x.xlib.XFlush)(self.x.display);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_geometry(&self) -> Option<(i32, i32, u32, u32, u32)> {
|
||||
unsafe {
|
||||
use std::mem;
|
||||
|
||||
let mut root: ffi::Window = mem::uninitialized();
|
||||
let mut x: libc::c_int = mem::uninitialized();
|
||||
let mut y: libc::c_int = mem::uninitialized();
|
||||
let mut width: libc::c_uint = mem::uninitialized();
|
||||
let mut height: libc::c_uint = mem::uninitialized();
|
||||
let mut border: libc::c_uint = mem::uninitialized();
|
||||
let mut depth: libc::c_uint = mem::uninitialized();
|
||||
|
||||
if (self.x.xlib.XGetGeometry)(self.x.display, self.x.window,
|
||||
&mut root, &mut x, &mut y, &mut width, &mut height,
|
||||
&mut border, &mut depth) == 0
|
||||
{
|
||||
return None;
|
||||
}
|
||||
|
||||
Some((x as i32, y as i32, width as u32, height as u32, border as u32))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_position(&self) -> Option<(i32, i32)> {
|
||||
self.get_geometry().map(|(x, y, _, _, _)| (x, y))
|
||||
}
|
||||
|
||||
pub fn set_position(&self, x: i32, y: i32) {
|
||||
unsafe { (self.x.xlib.XMoveWindow)(self.x.display, self.x.window, x as libc::c_int, y as libc::c_int); }
|
||||
}
|
||||
|
||||
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
|
||||
self.get_geometry().map(|(_, _, w, h, _)| (w, h))
|
||||
}
|
||||
|
||||
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
|
||||
self.get_geometry().map(|(_, _, w, h, b)| (w + b, h + b)) // TODO: is this really outside?
|
||||
}
|
||||
|
||||
pub fn set_inner_size(&self, _x: u32, _y: u32) {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
pub fn create_window_proxy(&self) -> WindowProxy {
|
||||
WindowProxy {
|
||||
x: self.x.clone()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn poll_events(&self) -> PollEventsIterator {
|
||||
PollEventsIterator {
|
||||
window: self
|
||||
}
|
||||
}
|
||||
|
||||
pub fn wait_events(&self) -> WaitEventsIterator {
|
||||
WaitEventsIterator {
|
||||
window: self
|
||||
}
|
||||
}
|
||||
|
||||
pub fn platform_display(&self) -> *mut libc::c_void {
|
||||
self.x.display as *mut libc::c_void
|
||||
}
|
||||
|
||||
pub fn platform_window(&self) -> *mut libc::c_void {
|
||||
self.x.window as *mut libc::c_void
|
||||
}
|
||||
|
||||
|
||||
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
|
||||
}
|
||||
|
||||
pub fn set_cursor(&self, cursor: MouseCursor) {
|
||||
unsafe {
|
||||
use std::ffi::CString;
|
||||
let cursor_name = match cursor {
|
||||
MouseCursor::Alias => "link",
|
||||
MouseCursor::Arrow => "arrow",
|
||||
MouseCursor::Cell => "plus",
|
||||
MouseCursor::Copy => "copy",
|
||||
MouseCursor::Crosshair => "crosshair",
|
||||
MouseCursor::Default => "left_ptr",
|
||||
MouseCursor::Grabbing => "grabbing",
|
||||
MouseCursor::Hand | MouseCursor::Grab => "hand",
|
||||
MouseCursor::Help => "question_arrow",
|
||||
MouseCursor::Move => "move",
|
||||
MouseCursor::NoDrop => "circle",
|
||||
MouseCursor::NotAllowed => "crossed_circle",
|
||||
MouseCursor::Progress => "left_ptr_watch",
|
||||
|
||||
/// Resize cursors
|
||||
MouseCursor::EResize => "right_side",
|
||||
MouseCursor::NResize => "top_side",
|
||||
MouseCursor::NeResize => "top_right_corner",
|
||||
MouseCursor::NwResize => "top_left_corner",
|
||||
MouseCursor::SResize => "bottom_side",
|
||||
MouseCursor::SeResize => "bottom_right_corner",
|
||||
MouseCursor::SwResize => "bottom_left_corner",
|
||||
MouseCursor::WResize => "left_side",
|
||||
MouseCursor::EwResize | MouseCursor::ColResize => "h_double_arrow",
|
||||
MouseCursor::NsResize | MouseCursor::RowResize => "v_double_arrow",
|
||||
MouseCursor::NwseResize => "bd_double_arrow",
|
||||
MouseCursor::NeswResize => "fd_double_arrow",
|
||||
|
||||
MouseCursor::Text | MouseCursor::VerticalText => "xterm",
|
||||
MouseCursor::Wait => "watch",
|
||||
|
||||
/// TODO: Find matching X11 cursors
|
||||
MouseCursor::ContextMenu | MouseCursor::NoneCursor |
|
||||
MouseCursor::AllScroll | MouseCursor::ZoomIn |
|
||||
MouseCursor::ZoomOut => "left_ptr",
|
||||
};
|
||||
let c_string = CString::new(cursor_name.as_bytes().to_vec()).unwrap();
|
||||
let xcursor = (self.x.xcursor.XcursorLibraryLoadCursor)(self.x.display, c_string.as_ptr());
|
||||
(self.x.xlib.XDefineCursor)(self.x.display, self.x.window, xcursor);
|
||||
(self.x.xlib.XFlush)(self.x.display);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
|
||||
let mut cursor_state = self.cursor_state.lock().unwrap();
|
||||
|
||||
match (state, *cursor_state) {
|
||||
(CursorState::Normal, CursorState::Grab) => {
|
||||
unsafe {
|
||||
(self.x.xlib.XUngrabPointer)(self.x.display, ffi::CurrentTime);
|
||||
*cursor_state = CursorState::Normal;
|
||||
Ok(())
|
||||
}
|
||||
},
|
||||
|
||||
(CursorState::Grab, CursorState::Normal) => {
|
||||
unsafe {
|
||||
*cursor_state = CursorState::Grab;
|
||||
|
||||
match (self.x.xlib.XGrabPointer)(
|
||||
self.x.display, self.x.window, ffi::False,
|
||||
(ffi::ButtonPressMask | ffi::ButtonReleaseMask | ffi::EnterWindowMask |
|
||||
ffi::LeaveWindowMask | ffi::PointerMotionMask | ffi::PointerMotionHintMask |
|
||||
ffi::Button1MotionMask | ffi::Button2MotionMask | ffi::Button3MotionMask |
|
||||
ffi::Button4MotionMask | ffi::Button5MotionMask | ffi::ButtonMotionMask |
|
||||
ffi::KeymapStateMask) as libc::c_uint,
|
||||
ffi::GrabModeAsync, ffi::GrabModeAsync,
|
||||
self.x.window, 0, ffi::CurrentTime
|
||||
) {
|
||||
ffi::GrabSuccess => Ok(()),
|
||||
ffi::AlreadyGrabbed | ffi::GrabInvalidTime |
|
||||
ffi::GrabNotViewable | ffi::GrabFrozen
|
||||
=> Err("cursor could not be grabbed".to_string()),
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
_ => unimplemented!(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn hidpi_factor(&self) -> f32 {
|
||||
1.0
|
||||
}
|
||||
|
||||
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
|
||||
unsafe {
|
||||
(self.x.xlib.XWarpPointer)(self.x.display, 0, self.x.window, 0, 0, 0, 0, x, y);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl GlContext for Window {
|
||||
unsafe fn make_current(&self) {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.make_current(),
|
||||
Context::Egl(ref ctxt) => ctxt.make_current(),
|
||||
Context::None => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn is_current(&self) -> bool {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.is_current(),
|
||||
Context::Egl(ref ctxt) => ctxt.is_current(),
|
||||
Context::None => panic!()
|
||||
}
|
||||
}
|
||||
|
||||
fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.get_proc_address(addr),
|
||||
Context::Egl(ref ctxt) => ctxt.get_proc_address(addr),
|
||||
Context::None => ptr::null()
|
||||
}
|
||||
}
|
||||
|
||||
fn swap_buffers(&self) {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.swap_buffers(),
|
||||
Context::Egl(ref ctxt) => ctxt.swap_buffers(),
|
||||
Context::None => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_api(&self) -> Api {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.get_api(),
|
||||
Context::Egl(ref ctxt) => ctxt.get_api(),
|
||||
Context::None => panic!()
|
||||
}
|
||||
}
|
||||
|
||||
fn get_pixel_format(&self) -> PixelFormat {
|
||||
self.pixel_format.clone()
|
||||
}
|
||||
}
|
||||
mod window;
|
||||
mod xdisplay;
|
||||
|
|
|
|||
|
|
@ -1,72 +1,38 @@
|
|||
use std::ptr;
|
||||
use std::collections::VecDeque;
|
||||
use super::ffi;
|
||||
use super::ensure_thread_init;
|
||||
use std::sync::Arc;
|
||||
|
||||
use super::XConnection;
|
||||
use native_monitor::NativeMonitorId;
|
||||
|
||||
pub struct MonitorID(pub u32);
|
||||
pub struct MonitorID(pub Arc<XConnection>, pub u32);
|
||||
|
||||
pub fn get_available_monitors() -> VecDeque<MonitorID> {
|
||||
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
|
||||
|
||||
ensure_thread_init(&xlib);
|
||||
let nb_monitors = unsafe {
|
||||
let display = (xlib.XOpenDisplay)(ptr::null());
|
||||
if display.is_null() {
|
||||
panic!("get_available_monitors failed");
|
||||
}
|
||||
let nb_monitors = (xlib.XScreenCount)(display);
|
||||
(xlib.XCloseDisplay)(display);
|
||||
nb_monitors
|
||||
};
|
||||
pub fn get_available_monitors(x: &Arc<XConnection>) -> VecDeque<MonitorID> {
|
||||
let nb_monitors = unsafe { (x.xlib.XScreenCount)(x.display) };
|
||||
|
||||
let mut monitors = VecDeque::new();
|
||||
monitors.extend((0..nb_monitors).map(|i| MonitorID(i as u32)));
|
||||
monitors.extend((0 .. nb_monitors).map(|i| MonitorID(x.clone(), i as u32)));
|
||||
monitors
|
||||
}
|
||||
|
||||
pub fn get_primary_monitor() -> MonitorID {
|
||||
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
|
||||
|
||||
ensure_thread_init(&xlib);
|
||||
let primary_monitor = unsafe {
|
||||
let display = (xlib.XOpenDisplay)(ptr::null());
|
||||
if display.is_null() {
|
||||
panic!("get_available_monitors failed");
|
||||
}
|
||||
let primary_monitor = (xlib.XDefaultScreen)(display);
|
||||
(xlib.XCloseDisplay)(display);
|
||||
primary_monitor
|
||||
};
|
||||
|
||||
MonitorID(primary_monitor as u32)
|
||||
pub fn get_primary_monitor(x: &Arc<XConnection>) -> MonitorID {
|
||||
let primary_monitor = unsafe { (x.xlib.XDefaultScreen)(x.display) };
|
||||
MonitorID(x.clone(), primary_monitor as u32)
|
||||
}
|
||||
|
||||
impl MonitorID {
|
||||
pub fn get_name(&self) -> Option<String> {
|
||||
let MonitorID(screen_num) = *self;
|
||||
let MonitorID(_, screen_num) = *self;
|
||||
Some(format!("Monitor #{}", screen_num))
|
||||
}
|
||||
|
||||
pub fn get_native_identifier(&self) -> NativeMonitorId {
|
||||
let MonitorID(screen_num) = *self;
|
||||
NativeMonitorId::Numeric(screen_num)
|
||||
NativeMonitorId::Numeric(self.1)
|
||||
}
|
||||
|
||||
pub fn get_dimensions(&self) -> (u32, u32) {
|
||||
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
|
||||
|
||||
let dimensions = unsafe {
|
||||
let display = (xlib.XOpenDisplay)(ptr::null());
|
||||
let MonitorID(screen_num) = *self;
|
||||
let screen = (xlib.XScreenOfDisplay)(display, screen_num as i32);
|
||||
let width = (xlib.XWidthOfScreen)(screen);
|
||||
let height = (xlib.XHeightOfScreen)(screen);
|
||||
(xlib.XCloseDisplay)(display);
|
||||
(width as u32, height as u32)
|
||||
};
|
||||
|
||||
dimensions
|
||||
let screen = unsafe { (self.0.xlib.XScreenOfDisplay)(self.0.display, self.1 as i32) };
|
||||
let width = unsafe { (self.0.xlib.XWidthOfScreen)(screen) };
|
||||
let height = unsafe { (self.0.xlib.XHeightOfScreen)(screen) };
|
||||
(width as u32, height as u32)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
803
src/api/x11/window.rs
Normal file
803
src/api/x11/window.rs
Normal file
|
|
@ -0,0 +1,803 @@
|
|||
use {Event, BuilderAttribs, MouseCursor};
|
||||
use CreationError;
|
||||
use CreationError::OsError;
|
||||
use libc;
|
||||
use std::{mem, ptr};
|
||||
use std::cell::Cell;
|
||||
use std::sync::atomic::AtomicBool;
|
||||
use std::collections::VecDeque;
|
||||
use std::sync::{Arc, Mutex};
|
||||
|
||||
use Api;
|
||||
use CursorState;
|
||||
use GlContext;
|
||||
use GlRequest;
|
||||
use PixelFormat;
|
||||
|
||||
use api::glx::Context as GlxContext;
|
||||
use api::egl::Context as EglContext;
|
||||
|
||||
use platform::MonitorID as PlatformMonitorID;
|
||||
|
||||
use super::{events, ffi};
|
||||
use super::{MonitorID, XConnection};
|
||||
|
||||
// XOpenIM doesn't seem to be thread-safe
|
||||
lazy_static! { // TODO: use a static mutex when that's possible, and put me back in my function
|
||||
static ref GLOBAL_XOPENIM_LOCK: Mutex<()> = Mutex::new(());
|
||||
}
|
||||
|
||||
// TODO: remove me
|
||||
fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) -> T {
|
||||
use std::ffi::CString;
|
||||
let c_str = CString::new(s.as_bytes().to_vec()).unwrap();
|
||||
f(c_str.as_ptr())
|
||||
}
|
||||
|
||||
pub struct XWindow {
|
||||
display: Arc<XConnection>,
|
||||
window: ffi::Window,
|
||||
pub context: Context,
|
||||
is_fullscreen: bool,
|
||||
screen_id: libc::c_int,
|
||||
xf86_desk_mode: *mut ffi::XF86VidModeModeInfo,
|
||||
ic: ffi::XIC,
|
||||
im: ffi::XIM,
|
||||
}
|
||||
|
||||
pub enum Context {
|
||||
Glx(GlxContext),
|
||||
Egl(EglContext),
|
||||
None,
|
||||
}
|
||||
|
||||
unsafe impl Send for XWindow {}
|
||||
unsafe impl Sync for XWindow {}
|
||||
|
||||
unsafe impl Send for Window {}
|
||||
unsafe impl Sync for Window {}
|
||||
|
||||
impl Drop for XWindow {
|
||||
fn drop(&mut self) {
|
||||
unsafe {
|
||||
// we don't call MakeCurrent(0, 0) because we are not sure that the context
|
||||
// is still the current one
|
||||
self.context = Context::None;
|
||||
|
||||
if self.is_fullscreen {
|
||||
(self.display.xf86vmode.XF86VidModeSwitchToMode)(self.display.display, self.screen_id, self.xf86_desk_mode);
|
||||
(self.display.xf86vmode.XF86VidModeSetViewPort)(self.display.display, self.screen_id, 0, 0);
|
||||
}
|
||||
|
||||
(self.display.xlib.XDestroyIC)(self.ic);
|
||||
(self.display.xlib.XCloseIM)(self.im);
|
||||
(self.display.xlib.XDestroyWindow)(self.display.display, self.window);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct WindowProxy {
|
||||
x: Arc<XWindow>,
|
||||
}
|
||||
|
||||
impl WindowProxy {
|
||||
pub fn wakeup_event_loop(&self) {
|
||||
let mut xev = ffi::XClientMessageEvent {
|
||||
type_: ffi::ClientMessage,
|
||||
window: self.x.window,
|
||||
format: 32,
|
||||
message_type: 0,
|
||||
serial: 0,
|
||||
send_event: 0,
|
||||
display: self.x.display.display,
|
||||
data: unsafe { mem::zeroed() },
|
||||
};
|
||||
|
||||
unsafe {
|
||||
(self.x.display.xlib.XSendEvent)(self.x.display.display, self.x.window, 0, 0, mem::transmute(&mut xev));
|
||||
(self.x.display.xlib.XFlush)(self.x.display.display);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct PollEventsIterator<'a> {
|
||||
window: &'a Window,
|
||||
}
|
||||
|
||||
impl<'a> Iterator for PollEventsIterator<'a> {
|
||||
type Item = Event;
|
||||
|
||||
fn next(&mut self) -> Option<Event> {
|
||||
if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
|
||||
return Some(ev);
|
||||
}
|
||||
|
||||
loop {
|
||||
let mut xev = unsafe { mem::uninitialized() };
|
||||
let res = unsafe { (self.window.x.display.xlib.XCheckMaskEvent)(self.window.x.display.display, -1, &mut xev) };
|
||||
|
||||
if res == 0 {
|
||||
let res = unsafe { (self.window.x.display.xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::ClientMessage, &mut xev) };
|
||||
|
||||
if res == 0 {
|
||||
return None;
|
||||
}
|
||||
}
|
||||
|
||||
match xev.get_type() {
|
||||
ffi::KeymapNotify => {
|
||||
unsafe { (self.window.x.display.xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
|
||||
},
|
||||
|
||||
ffi::ClientMessage => {
|
||||
use events::Event::{Closed, Awakened};
|
||||
use std::sync::atomic::Ordering::Relaxed;
|
||||
|
||||
let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) };
|
||||
|
||||
if client_msg.data.get_long(0) == self.window.wm_delete_window as libc::c_long {
|
||||
self.window.is_closed.store(true, Relaxed);
|
||||
return Some(Closed);
|
||||
} else {
|
||||
return Some(Awakened);
|
||||
}
|
||||
},
|
||||
|
||||
ffi::ConfigureNotify => {
|
||||
use events::Event::Resized;
|
||||
let cfg_event: &ffi::XConfigureEvent = unsafe { mem::transmute(&xev) };
|
||||
let (current_width, current_height) = self.window.current_size.get();
|
||||
if current_width != cfg_event.width || current_height != cfg_event.height {
|
||||
self.window.current_size.set((cfg_event.width, cfg_event.height));
|
||||
return Some(Resized(cfg_event.width as u32, cfg_event.height as u32));
|
||||
}
|
||||
},
|
||||
|
||||
ffi::Expose => {
|
||||
use events::Event::Refresh;
|
||||
return Some(Refresh);
|
||||
},
|
||||
|
||||
ffi::MotionNotify => {
|
||||
use events::Event::MouseMoved;
|
||||
let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) };
|
||||
return Some(MouseMoved((event.x as i32, event.y as i32)));
|
||||
},
|
||||
|
||||
ffi::KeyPress | ffi::KeyRelease => {
|
||||
use events::Event::{KeyboardInput, ReceivedCharacter};
|
||||
use events::ElementState::{Pressed, Released};
|
||||
let event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&mut xev) };
|
||||
|
||||
if event.type_ == ffi::KeyPress {
|
||||
let raw_ev: *mut ffi::XKeyEvent = event;
|
||||
unsafe { (self.window.x.display.xlib.XFilterEvent)(mem::transmute(raw_ev), self.window.x.window) };
|
||||
}
|
||||
|
||||
let state = if xev.get_type() == ffi::KeyPress { Pressed } else { Released };
|
||||
|
||||
let written = unsafe {
|
||||
use std::str;
|
||||
|
||||
let mut buffer: [u8; 16] = [mem::uninitialized(); 16];
|
||||
let raw_ev: *mut ffi::XKeyEvent = event;
|
||||
let count = (self.window.x.display.xlib.Xutf8LookupString)(self.window.x.ic, mem::transmute(raw_ev),
|
||||
mem::transmute(buffer.as_mut_ptr()),
|
||||
buffer.len() as libc::c_int, ptr::null_mut(), ptr::null_mut());
|
||||
|
||||
str::from_utf8(&buffer[..count as usize]).unwrap_or("").to_string()
|
||||
};
|
||||
|
||||
{
|
||||
let mut pending = self.window.pending_events.lock().unwrap();
|
||||
for chr in written.chars() {
|
||||
pending.push_back(ReceivedCharacter(chr));
|
||||
}
|
||||
}
|
||||
|
||||
let keysym = unsafe {
|
||||
(self.window.x.display.xlib.XKeycodeToKeysym)(self.window.x.display.display, event.keycode as ffi::KeyCode, 0)
|
||||
};
|
||||
|
||||
let vkey = events::keycode_to_element(keysym as libc::c_uint);
|
||||
|
||||
return Some(KeyboardInput(state, event.keycode as u8, vkey));
|
||||
},
|
||||
|
||||
ffi::ButtonPress | ffi::ButtonRelease => {
|
||||
use events::Event::{MouseInput, MouseWheel};
|
||||
use events::ElementState::{Pressed, Released};
|
||||
use events::MouseButton::{Left, Right, Middle};
|
||||
|
||||
let event: &ffi::XButtonEvent = unsafe { mem::transmute(&xev) };
|
||||
|
||||
let state = if xev.get_type() == ffi::ButtonPress { Pressed } else { Released };
|
||||
|
||||
let button = match event.button {
|
||||
ffi::Button1 => Some(Left),
|
||||
ffi::Button2 => Some(Middle),
|
||||
ffi::Button3 => Some(Right),
|
||||
ffi::Button4 => {
|
||||
self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, 1.0));
|
||||
None
|
||||
}
|
||||
ffi::Button5 => {
|
||||
self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, -1.0));
|
||||
None
|
||||
}
|
||||
_ => None
|
||||
};
|
||||
|
||||
match button {
|
||||
Some(button) =>
|
||||
return Some(MouseInput(state, button)),
|
||||
None => ()
|
||||
};
|
||||
},
|
||||
|
||||
_ => ()
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct WaitEventsIterator<'a> {
|
||||
window: &'a Window,
|
||||
}
|
||||
|
||||
impl<'a> Iterator for WaitEventsIterator<'a> {
|
||||
type Item = Event;
|
||||
|
||||
fn next(&mut self) -> Option<Event> {
|
||||
use std::mem;
|
||||
|
||||
while !self.window.is_closed() {
|
||||
if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
|
||||
return Some(ev);
|
||||
}
|
||||
|
||||
// this will block until an event arrives, but doesn't remove
|
||||
// it from the queue
|
||||
let mut xev = unsafe { mem::uninitialized() };
|
||||
unsafe { (self.window.x.display.xlib.XPeekEvent)(self.window.x.display.display, &mut xev) };
|
||||
|
||||
// calling poll_events()
|
||||
if let Some(ev) = self.window.poll_events().next() {
|
||||
return Some(ev);
|
||||
}
|
||||
}
|
||||
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
pub struct Window {
|
||||
pub x: Arc<XWindow>,
|
||||
is_closed: AtomicBool,
|
||||
wm_delete_window: ffi::Atom,
|
||||
current_size: Cell<(libc::c_int, libc::c_int)>,
|
||||
pixel_format: PixelFormat,
|
||||
/// Events that have been retreived with XLib but not dispatched with iterators yet
|
||||
pending_events: Mutex<VecDeque<Event>>,
|
||||
cursor_state: Mutex<CursorState>,
|
||||
}
|
||||
|
||||
impl Window {
|
||||
pub fn new(display: &Arc<XConnection>, builder: BuilderAttribs) -> Result<Window, CreationError> {
|
||||
let dimensions = builder.dimensions.unwrap_or((800, 600));
|
||||
|
||||
let screen_id = match builder.monitor {
|
||||
Some(PlatformMonitorID::X(MonitorID(_, monitor))) => monitor as i32,
|
||||
_ => unsafe { (display.xlib.XDefaultScreen)(display.display) },
|
||||
};
|
||||
|
||||
// getting the FBConfig
|
||||
let fb_config = unsafe {
|
||||
let mut visual_attributes = vec![
|
||||
ffi::glx::X_RENDERABLE as libc::c_int, 1,
|
||||
ffi::glx::DRAWABLE_TYPE as libc::c_int, ffi::glx::WINDOW_BIT as libc::c_int,
|
||||
ffi::glx::RENDER_TYPE as libc::c_int, ffi::glx::RGBA_BIT as libc::c_int,
|
||||
ffi::glx::X_VISUAL_TYPE as libc::c_int, ffi::glx::TRUE_COLOR as libc::c_int,
|
||||
ffi::glx::RED_SIZE as libc::c_int, 8,
|
||||
ffi::glx::GREEN_SIZE as libc::c_int, 8,
|
||||
ffi::glx::BLUE_SIZE as libc::c_int, 8,
|
||||
ffi::glx::ALPHA_SIZE as libc::c_int, 8,
|
||||
ffi::glx::DEPTH_SIZE as libc::c_int, 24,
|
||||
ffi::glx::STENCIL_SIZE as libc::c_int, 8,
|
||||
ffi::glx::DOUBLEBUFFER as libc::c_int, 1,
|
||||
];
|
||||
|
||||
if let Some(val) = builder.multisampling {
|
||||
visual_attributes.push(ffi::glx::SAMPLE_BUFFERS as libc::c_int);
|
||||
visual_attributes.push(1);
|
||||
visual_attributes.push(ffi::glx::SAMPLES as libc::c_int);
|
||||
visual_attributes.push(val as libc::c_int);
|
||||
}
|
||||
|
||||
if let Some(val) = builder.srgb {
|
||||
visual_attributes.push(ffi::glx_extra::FRAMEBUFFER_SRGB_CAPABLE_ARB as libc::c_int);
|
||||
visual_attributes.push(if val {1} else {0});
|
||||
}
|
||||
|
||||
visual_attributes.push(0);
|
||||
|
||||
let mut num_fb: libc::c_int = mem::uninitialized();
|
||||
|
||||
let fb = display.glx.as_ref().unwrap().ChooseFBConfig(display.display as *mut _, (display.xlib.XDefaultScreen)(display.display),
|
||||
visual_attributes.as_ptr(), &mut num_fb);
|
||||
if fb.is_null() {
|
||||
return Err(OsError(format!("glx::ChooseFBConfig failed")));
|
||||
}
|
||||
let preferred_fb = *fb; // TODO: choose more wisely
|
||||
(display.xlib.XFree)(fb as *mut _);
|
||||
preferred_fb
|
||||
};
|
||||
|
||||
let mut best_mode = -1;
|
||||
let modes = unsafe {
|
||||
let mut mode_num: libc::c_int = mem::uninitialized();
|
||||
let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized();
|
||||
if (display.xf86vmode.XF86VidModeGetAllModeLines)(display.display, screen_id, &mut mode_num, &mut modes) == 0 {
|
||||
return Err(OsError(format!("Could not query the video modes")));
|
||||
}
|
||||
|
||||
for i in 0..mode_num {
|
||||
let mode: ffi::XF86VidModeModeInfo = ptr::read(*modes.offset(i as isize) as *const _);
|
||||
if mode.hdisplay == dimensions.0 as u16 && mode.vdisplay == dimensions.1 as u16 {
|
||||
best_mode = i;
|
||||
}
|
||||
};
|
||||
if best_mode == -1 && builder.monitor.is_some() {
|
||||
return Err(OsError(format!("Could not find a suitable graphics mode")));
|
||||
}
|
||||
|
||||
modes
|
||||
};
|
||||
|
||||
let xf86_desk_mode = unsafe {
|
||||
*modes.offset(0)
|
||||
};
|
||||
|
||||
// getting the visual infos
|
||||
let visual_infos: ffi::glx::types::XVisualInfo = unsafe {
|
||||
let vi = display.glx.as_ref().unwrap().GetVisualFromFBConfig(display.display as *mut _, fb_config);
|
||||
if vi.is_null() {
|
||||
return Err(OsError(format!("glx::ChooseVisual failed")));
|
||||
}
|
||||
let vi_copy = ptr::read(vi as *const _);
|
||||
(display.xlib.XFree)(vi as *mut _);
|
||||
vi_copy
|
||||
};
|
||||
|
||||
// querying the chosen pixel format
|
||||
let pixel_format = {
|
||||
let get_attrib = |attrib: libc::c_int| -> i32 {
|
||||
let mut value = 0;
|
||||
unsafe { display.glx.as_ref().unwrap().GetFBConfigAttrib(display.display as *mut _, fb_config, attrib, &mut value); }
|
||||
value
|
||||
};
|
||||
|
||||
PixelFormat {
|
||||
hardware_accelerated: true,
|
||||
color_bits: get_attrib(ffi::glx::RED_SIZE as libc::c_int) as u8 +
|
||||
get_attrib(ffi::glx::GREEN_SIZE as libc::c_int) as u8 +
|
||||
get_attrib(ffi::glx::BLUE_SIZE as libc::c_int) as u8,
|
||||
alpha_bits: get_attrib(ffi::glx::ALPHA_SIZE as libc::c_int) as u8,
|
||||
depth_bits: get_attrib(ffi::glx::DEPTH_SIZE as libc::c_int) as u8,
|
||||
stencil_bits: get_attrib(ffi::glx::STENCIL_SIZE as libc::c_int) as u8,
|
||||
stereoscopy: get_attrib(ffi::glx::STEREO as libc::c_int) != 0,
|
||||
double_buffer: get_attrib(ffi::glx::DOUBLEBUFFER as libc::c_int) != 0,
|
||||
multisampling: if get_attrib(ffi::glx::SAMPLE_BUFFERS as libc::c_int) != 0 {
|
||||
Some(get_attrib(ffi::glx::SAMPLES as libc::c_int) as u16)
|
||||
}else { None },
|
||||
srgb: get_attrib(ffi::glx_extra::FRAMEBUFFER_SRGB_CAPABLE_ARB as libc::c_int) != 0,
|
||||
}
|
||||
};
|
||||
|
||||
// getting the root window
|
||||
let root = unsafe { (display.xlib.XDefaultRootWindow)(display.display) };
|
||||
|
||||
// creating the color map
|
||||
let cmap = unsafe {
|
||||
let cmap = (display.xlib.XCreateColormap)(display.display, root,
|
||||
visual_infos.visual as *mut _, ffi::AllocNone);
|
||||
// TODO: error checking?
|
||||
cmap
|
||||
};
|
||||
|
||||
// creating
|
||||
let mut set_win_attr = {
|
||||
let mut swa: ffi::XSetWindowAttributes = unsafe { mem::zeroed() };
|
||||
swa.colormap = cmap;
|
||||
swa.event_mask = ffi::ExposureMask | ffi::StructureNotifyMask |
|
||||
ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask |
|
||||
ffi::KeyReleaseMask | ffi::ButtonPressMask |
|
||||
ffi::ButtonReleaseMask | ffi::KeymapStateMask;
|
||||
swa.border_pixel = 0;
|
||||
swa.override_redirect = 0;
|
||||
swa
|
||||
};
|
||||
|
||||
let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi:: CWEventMask;
|
||||
if builder.monitor.is_some() {
|
||||
window_attributes |= ffi::CWOverrideRedirect;
|
||||
unsafe {
|
||||
(display.xf86vmode.XF86VidModeSwitchToMode)(display.display, screen_id, *modes.offset(best_mode as isize));
|
||||
(display.xf86vmode.XF86VidModeSetViewPort)(display.display, screen_id, 0, 0);
|
||||
set_win_attr.override_redirect = 1;
|
||||
}
|
||||
}
|
||||
|
||||
// finally creating the window
|
||||
let window = unsafe {
|
||||
let win = (display.xlib.XCreateWindow)(display.display, root, 0, 0, dimensions.0 as libc::c_uint,
|
||||
dimensions.1 as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput as libc::c_uint,
|
||||
visual_infos.visual as *mut _, window_attributes,
|
||||
&mut set_win_attr);
|
||||
win
|
||||
};
|
||||
|
||||
// set visibility
|
||||
if builder.visible {
|
||||
unsafe {
|
||||
(display.xlib.XMapRaised)(display.display, window);
|
||||
(display.xlib.XFlush)(display.display);
|
||||
}
|
||||
}
|
||||
|
||||
// creating window, step 2
|
||||
let wm_delete_window = unsafe {
|
||||
let mut wm_delete_window = with_c_str("WM_DELETE_WINDOW", |delete_window|
|
||||
(display.xlib.XInternAtom)(display.display, delete_window, 0)
|
||||
);
|
||||
(display.xlib.XSetWMProtocols)(display.display, window, &mut wm_delete_window, 1);
|
||||
with_c_str(&*builder.title, |title| {;
|
||||
(display.xlib.XStoreName)(display.display, window, title);
|
||||
});
|
||||
(display.xlib.XFlush)(display.display);
|
||||
|
||||
wm_delete_window
|
||||
};
|
||||
|
||||
// creating IM
|
||||
let im = unsafe {
|
||||
let _lock = GLOBAL_XOPENIM_LOCK.lock().unwrap();
|
||||
|
||||
let im = (display.xlib.XOpenIM)(display.display, ptr::null_mut(), ptr::null_mut(), ptr::null_mut());
|
||||
if im.is_null() {
|
||||
return Err(OsError(format!("XOpenIM failed")));
|
||||
}
|
||||
im
|
||||
};
|
||||
|
||||
// creating input context
|
||||
let ic = unsafe {
|
||||
let ic = with_c_str("inputStyle", |input_style|
|
||||
with_c_str("clientWindow", |client_window|
|
||||
(display.xlib.XCreateIC)(
|
||||
im, input_style,
|
||||
ffi::XIMPreeditNothing | ffi::XIMStatusNothing, client_window,
|
||||
window, ptr::null::<()>()
|
||||
)
|
||||
)
|
||||
);
|
||||
if ic.is_null() {
|
||||
return Err(OsError(format!("XCreateIC failed")));
|
||||
}
|
||||
(display.xlib.XSetICFocus)(ic);
|
||||
ic
|
||||
};
|
||||
|
||||
// Attempt to make keyboard input repeat detectable
|
||||
unsafe {
|
||||
let mut supported_ptr = ffi::False;
|
||||
(display.xlib.XkbSetDetectableAutoRepeat)(display.display, ffi::True, &mut supported_ptr);
|
||||
if supported_ptr == ffi::False {
|
||||
return Err(OsError(format!("XkbSetDetectableAutoRepeat failed")));
|
||||
}
|
||||
}
|
||||
|
||||
// Set ICCCM WM_CLASS property based on initial window title
|
||||
unsafe {
|
||||
with_c_str(&*builder.title, |c_name| {
|
||||
let hint = (display.xlib.XAllocClassHint)();
|
||||
(*hint).res_name = c_name as *mut i8;
|
||||
(*hint).res_class = c_name as *mut i8;
|
||||
(display.xlib.XSetClassHint)(display.display, window, hint);
|
||||
(display.xlib.XFree)(hint as *mut libc::c_void);
|
||||
});
|
||||
}
|
||||
|
||||
let is_fullscreen = builder.monitor.is_some();
|
||||
// creating the context
|
||||
let context = match builder.gl_version {
|
||||
GlRequest::Latest | GlRequest::Specific(Api::OpenGl, _) | GlRequest::GlThenGles { .. } => {
|
||||
if let Some(ref glx) = display.glx {
|
||||
Context::Glx(try!(GlxContext::new(glx.clone(), builder, display.display, window,
|
||||
fb_config, visual_infos)))
|
||||
} else if let Some(ref egl) = display.egl {
|
||||
Context::Egl(try!(EglContext::new(egl.clone(), builder, Some(display.display as *const _), window as *const _)))
|
||||
} else {
|
||||
return Err(CreationError::NotSupported);
|
||||
}
|
||||
},
|
||||
GlRequest::Specific(Api::OpenGlEs, _) => {
|
||||
if let Some(ref egl) = display.egl {
|
||||
Context::Egl(try!(EglContext::new(egl.clone(), builder, Some(display.display as *const _), window as *const _)))
|
||||
} else {
|
||||
return Err(CreationError::NotSupported);
|
||||
}
|
||||
},
|
||||
GlRequest::Specific(_, _) => {
|
||||
return Err(CreationError::NotSupported);
|
||||
},
|
||||
};
|
||||
|
||||
// creating the window object
|
||||
let window = Window {
|
||||
x: Arc::new(XWindow {
|
||||
display: display.clone(),
|
||||
window: window,
|
||||
im: im,
|
||||
ic: ic,
|
||||
context: context,
|
||||
screen_id: screen_id,
|
||||
is_fullscreen: is_fullscreen,
|
||||
xf86_desk_mode: xf86_desk_mode,
|
||||
}),
|
||||
is_closed: AtomicBool::new(false),
|
||||
wm_delete_window: wm_delete_window,
|
||||
current_size: Cell::new((0, 0)),
|
||||
pixel_format: pixel_format,
|
||||
pending_events: Mutex::new(VecDeque::new()),
|
||||
cursor_state: Mutex::new(CursorState::Normal),
|
||||
};
|
||||
|
||||
// returning
|
||||
Ok(window)
|
||||
}
|
||||
|
||||
pub fn is_closed(&self) -> bool {
|
||||
use std::sync::atomic::Ordering::Relaxed;
|
||||
self.is_closed.load(Relaxed)
|
||||
}
|
||||
|
||||
pub fn set_title(&self, title: &str) {
|
||||
with_c_str(title, |title| unsafe {
|
||||
(self.x.display.xlib.XStoreName)(self.x.display.display, self.x.window, title);
|
||||
(self.x.display.xlib.XFlush)(self.x.display.display);
|
||||
})
|
||||
}
|
||||
|
||||
pub fn show(&self) {
|
||||
unsafe {
|
||||
(self.x.display.xlib.XMapRaised)(self.x.display.display, self.x.window);
|
||||
(self.x.display.xlib.XFlush)(self.x.display.display);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn hide(&self) {
|
||||
unsafe {
|
||||
(self.x.display.xlib.XUnmapWindow)(self.x.display.display, self.x.window);
|
||||
(self.x.display.xlib.XFlush)(self.x.display.display);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_geometry(&self) -> Option<(i32, i32, u32, u32, u32)> {
|
||||
unsafe {
|
||||
use std::mem;
|
||||
|
||||
let mut root: ffi::Window = mem::uninitialized();
|
||||
let mut x: libc::c_int = mem::uninitialized();
|
||||
let mut y: libc::c_int = mem::uninitialized();
|
||||
let mut width: libc::c_uint = mem::uninitialized();
|
||||
let mut height: libc::c_uint = mem::uninitialized();
|
||||
let mut border: libc::c_uint = mem::uninitialized();
|
||||
let mut depth: libc::c_uint = mem::uninitialized();
|
||||
|
||||
if (self.x.display.xlib.XGetGeometry)(self.x.display.display, self.x.window,
|
||||
&mut root, &mut x, &mut y, &mut width, &mut height,
|
||||
&mut border, &mut depth) == 0
|
||||
{
|
||||
return None;
|
||||
}
|
||||
|
||||
Some((x as i32, y as i32, width as u32, height as u32, border as u32))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_position(&self) -> Option<(i32, i32)> {
|
||||
self.get_geometry().map(|(x, y, _, _, _)| (x, y))
|
||||
}
|
||||
|
||||
pub fn set_position(&self, x: i32, y: i32) {
|
||||
unsafe { (self.x.display.xlib.XMoveWindow)(self.x.display.display, self.x.window, x as libc::c_int, y as libc::c_int); }
|
||||
}
|
||||
|
||||
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
|
||||
self.get_geometry().map(|(_, _, w, h, _)| (w, h))
|
||||
}
|
||||
|
||||
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
|
||||
self.get_geometry().map(|(_, _, w, h, b)| (w + b, h + b)) // TODO: is this really outside?
|
||||
}
|
||||
|
||||
pub fn set_inner_size(&self, _x: u32, _y: u32) {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
pub fn create_window_proxy(&self) -> WindowProxy {
|
||||
WindowProxy {
|
||||
x: self.x.clone()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn poll_events(&self) -> PollEventsIterator {
|
||||
PollEventsIterator {
|
||||
window: self
|
||||
}
|
||||
}
|
||||
|
||||
pub fn wait_events(&self) -> WaitEventsIterator {
|
||||
WaitEventsIterator {
|
||||
window: self
|
||||
}
|
||||
}
|
||||
|
||||
pub fn platform_display(&self) -> *mut libc::c_void {
|
||||
self.x.display.display as *mut libc::c_void
|
||||
}
|
||||
|
||||
pub fn platform_window(&self) -> *mut libc::c_void {
|
||||
self.x.window as *mut libc::c_void
|
||||
}
|
||||
|
||||
|
||||
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
|
||||
}
|
||||
|
||||
pub fn set_cursor(&self, cursor: MouseCursor) {
|
||||
unsafe {
|
||||
use std::ffi::CString;
|
||||
let cursor_name = match cursor {
|
||||
MouseCursor::Alias => "link",
|
||||
MouseCursor::Arrow => "arrow",
|
||||
MouseCursor::Cell => "plus",
|
||||
MouseCursor::Copy => "copy",
|
||||
MouseCursor::Crosshair => "crosshair",
|
||||
MouseCursor::Default => "left_ptr",
|
||||
MouseCursor::Grabbing => "grabbing",
|
||||
MouseCursor::Hand | MouseCursor::Grab => "hand",
|
||||
MouseCursor::Help => "question_arrow",
|
||||
MouseCursor::Move => "move",
|
||||
MouseCursor::NoDrop => "circle",
|
||||
MouseCursor::NotAllowed => "crossed_circle",
|
||||
MouseCursor::Progress => "left_ptr_watch",
|
||||
|
||||
/// Resize cursors
|
||||
MouseCursor::EResize => "right_side",
|
||||
MouseCursor::NResize => "top_side",
|
||||
MouseCursor::NeResize => "top_right_corner",
|
||||
MouseCursor::NwResize => "top_left_corner",
|
||||
MouseCursor::SResize => "bottom_side",
|
||||
MouseCursor::SeResize => "bottom_right_corner",
|
||||
MouseCursor::SwResize => "bottom_left_corner",
|
||||
MouseCursor::WResize => "left_side",
|
||||
MouseCursor::EwResize | MouseCursor::ColResize => "h_double_arrow",
|
||||
MouseCursor::NsResize | MouseCursor::RowResize => "v_double_arrow",
|
||||
MouseCursor::NwseResize => "bd_double_arrow",
|
||||
MouseCursor::NeswResize => "fd_double_arrow",
|
||||
|
||||
MouseCursor::Text | MouseCursor::VerticalText => "xterm",
|
||||
MouseCursor::Wait => "watch",
|
||||
|
||||
/// TODO: Find matching X11 cursors
|
||||
MouseCursor::ContextMenu | MouseCursor::NoneCursor |
|
||||
MouseCursor::AllScroll | MouseCursor::ZoomIn |
|
||||
MouseCursor::ZoomOut => "left_ptr",
|
||||
};
|
||||
let c_string = CString::new(cursor_name.as_bytes().to_vec()).unwrap();
|
||||
let xcursor = (self.x.display.xcursor.XcursorLibraryLoadCursor)(self.x.display.display, c_string.as_ptr());
|
||||
(self.x.display.xlib.XDefineCursor)(self.x.display.display, self.x.window, xcursor);
|
||||
(self.x.display.xlib.XFlush)(self.x.display.display);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
|
||||
let mut cursor_state = self.cursor_state.lock().unwrap();
|
||||
|
||||
match (state, *cursor_state) {
|
||||
(CursorState::Normal, CursorState::Grab) => {
|
||||
unsafe {
|
||||
(self.x.display.xlib.XUngrabPointer)(self.x.display.display, ffi::CurrentTime);
|
||||
*cursor_state = CursorState::Normal;
|
||||
Ok(())
|
||||
}
|
||||
},
|
||||
|
||||
(CursorState::Grab, CursorState::Normal) => {
|
||||
unsafe {
|
||||
*cursor_state = CursorState::Grab;
|
||||
|
||||
match (self.x.display.xlib.XGrabPointer)(
|
||||
self.x.display.display, self.x.window, ffi::False,
|
||||
(ffi::ButtonPressMask | ffi::ButtonReleaseMask | ffi::EnterWindowMask |
|
||||
ffi::LeaveWindowMask | ffi::PointerMotionMask | ffi::PointerMotionHintMask |
|
||||
ffi::Button1MotionMask | ffi::Button2MotionMask | ffi::Button3MotionMask |
|
||||
ffi::Button4MotionMask | ffi::Button5MotionMask | ffi::ButtonMotionMask |
|
||||
ffi::KeymapStateMask) as libc::c_uint,
|
||||
ffi::GrabModeAsync, ffi::GrabModeAsync,
|
||||
self.x.window, 0, ffi::CurrentTime
|
||||
) {
|
||||
ffi::GrabSuccess => Ok(()),
|
||||
ffi::AlreadyGrabbed | ffi::GrabInvalidTime |
|
||||
ffi::GrabNotViewable | ffi::GrabFrozen
|
||||
=> Err("cursor could not be grabbed".to_string()),
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
_ => unimplemented!(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn hidpi_factor(&self) -> f32 {
|
||||
1.0
|
||||
}
|
||||
|
||||
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
|
||||
unsafe {
|
||||
(self.x.display.xlib.XWarpPointer)(self.x.display.display, 0, self.x.window, 0, 0, 0, 0, x, y);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl GlContext for Window {
|
||||
unsafe fn make_current(&self) {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.make_current(),
|
||||
Context::Egl(ref ctxt) => ctxt.make_current(),
|
||||
Context::None => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn is_current(&self) -> bool {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.is_current(),
|
||||
Context::Egl(ref ctxt) => ctxt.is_current(),
|
||||
Context::None => panic!()
|
||||
}
|
||||
}
|
||||
|
||||
fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.get_proc_address(addr),
|
||||
Context::Egl(ref ctxt) => ctxt.get_proc_address(addr),
|
||||
Context::None => ptr::null()
|
||||
}
|
||||
}
|
||||
|
||||
fn swap_buffers(&self) {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.swap_buffers(),
|
||||
Context::Egl(ref ctxt) => ctxt.swap_buffers(),
|
||||
Context::None => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_api(&self) -> Api {
|
||||
match self.x.context {
|
||||
Context::Glx(ref ctxt) => ctxt.get_api(),
|
||||
Context::Egl(ref ctxt) => ctxt.get_api(),
|
||||
Context::None => panic!()
|
||||
}
|
||||
}
|
||||
|
||||
fn get_pixel_format(&self) -> PixelFormat {
|
||||
self.pixel_format.clone()
|
||||
}
|
||||
}
|
||||
100
src/api/x11/xdisplay.rs
Normal file
100
src/api/x11/xdisplay.rs
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
use std::ptr;
|
||||
use std::ffi::CString;
|
||||
|
||||
use libc;
|
||||
|
||||
use super::ffi;
|
||||
use api::egl::ffi::egl::Egl;
|
||||
use api::dlopen;
|
||||
|
||||
/// A connection to an X server.
|
||||
pub struct XConnection {
|
||||
pub xlib: ffi::Xlib,
|
||||
pub xf86vmode: ffi::Xf86vmode,
|
||||
pub xcursor: ffi::Xcursor,
|
||||
pub glx: Option<ffi::glx::Glx>,
|
||||
pub egl: Option<Egl>,
|
||||
pub display: *mut ffi::Display,
|
||||
}
|
||||
|
||||
unsafe impl Send for XConnection {}
|
||||
unsafe impl Sync for XConnection {}
|
||||
|
||||
/// Error returned if this system doesn't have XLib or can't create an X connection.
|
||||
#[derive(Copy, Clone, Debug)]
|
||||
pub struct XNotSupported;
|
||||
|
||||
impl XConnection {
|
||||
pub fn new() -> Result<XConnection, XNotSupported> {
|
||||
// opening the libraries
|
||||
let xlib = try!(ffi::Xlib::open().map_err(|_| XNotSupported));
|
||||
let xcursor = try!(ffi::Xcursor::open().map_err(|_| XNotSupported));
|
||||
let xf86vmode = try!(ffi::Xf86vmode::open().map_err(|_| XNotSupported));
|
||||
|
||||
unsafe extern "C" fn x_error_callback(_: *mut ffi::Display, event: *mut ffi::XErrorEvent)
|
||||
-> libc::c_int
|
||||
{
|
||||
println!("[glutin] x error code={} major={} minor={}!", (*event).error_code,
|
||||
(*event).request_code, (*event).minor_code);
|
||||
0
|
||||
}
|
||||
|
||||
unsafe { (xlib.XInitThreads)() };
|
||||
unsafe { (xlib.XSetErrorHandler)(Some(x_error_callback)) };
|
||||
|
||||
// TODO: use something safer than raw "dlopen"
|
||||
let glx = {
|
||||
let mut libglx = unsafe { dlopen::dlopen(b"libGL.so.1\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
|
||||
if libglx.is_null() {
|
||||
libglx = unsafe { dlopen::dlopen(b"libGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
|
||||
}
|
||||
|
||||
if libglx.is_null() {
|
||||
None
|
||||
} else {
|
||||
Some(ffi::glx::Glx::load_with(|sym| {
|
||||
let sym = CString::new(sym).unwrap();
|
||||
unsafe { dlopen::dlsym(libglx, sym.as_ptr()) }
|
||||
}))
|
||||
}
|
||||
};
|
||||
|
||||
// TODO: use something safer than raw "dlopen"
|
||||
let egl = {
|
||||
let libegl = unsafe { dlopen::dlopen(b"libEGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
|
||||
|
||||
if libegl.is_null() {
|
||||
None
|
||||
} else {
|
||||
Some(Egl::load_with(|sym| {
|
||||
let sym = CString::new(sym).unwrap();
|
||||
unsafe { dlopen::dlsym(libegl, sym.as_ptr()) }
|
||||
}))
|
||||
}
|
||||
};
|
||||
|
||||
// calling XOpenDisplay
|
||||
let display = unsafe {
|
||||
let display = (xlib.XOpenDisplay)(ptr::null());
|
||||
if display.is_null() {
|
||||
return Err(XNotSupported);
|
||||
}
|
||||
display
|
||||
};
|
||||
|
||||
Ok(XConnection {
|
||||
xlib: xlib,
|
||||
xf86vmode: xf86vmode,
|
||||
xcursor: xcursor,
|
||||
glx: glx,
|
||||
egl: egl,
|
||||
display: display,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for XConnection {
|
||||
fn drop(&mut self) {
|
||||
unsafe { (self.xlib.XCloseDisplay)(self.display) };
|
||||
}
|
||||
}
|
||||
|
|
@ -4,6 +4,7 @@ pub use api::x11::{Window, WindowProxy, MonitorID, get_available_monitors, get_p
|
|||
pub use api::x11::{WaitEventsIterator, PollEventsIterator};*/
|
||||
|
||||
use std::collections::VecDeque;
|
||||
use std::sync::Arc;
|
||||
|
||||
use BuilderAttribs;
|
||||
use CreationError;
|
||||
|
|
@ -16,9 +17,10 @@ use libc;
|
|||
|
||||
use api::wayland;
|
||||
use api::x11;
|
||||
use api::x11::XConnection;
|
||||
|
||||
enum Backend {
|
||||
X,
|
||||
X(Arc<XConnection>),
|
||||
Wayland
|
||||
}
|
||||
|
||||
|
|
@ -28,7 +30,7 @@ lazy_static!(
|
|||
if false && wayland::is_available() {
|
||||
Backend::Wayland
|
||||
} else {
|
||||
Backend::X
|
||||
Backend::X(Arc::new(XConnection::new().unwrap()))
|
||||
}
|
||||
};
|
||||
);
|
||||
|
|
@ -70,16 +72,17 @@ pub fn get_available_monitors() -> VecDeque<MonitorID> {
|
|||
.into_iter()
|
||||
.map(MonitorID::Wayland)
|
||||
.collect(),
|
||||
Backend::X => x11::get_available_monitors()
|
||||
.into_iter()
|
||||
.map(MonitorID::X)
|
||||
.collect(),
|
||||
Backend::X(ref connec) => x11::get_available_monitors(connec)
|
||||
.into_iter()
|
||||
.map(MonitorID::X)
|
||||
.collect(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_primary_monitor() -> MonitorID {
|
||||
match *BACKEND {
|
||||
Backend::Wayland => MonitorID::Wayland(wayland::get_primary_monitor()),
|
||||
Backend::X => MonitorID::X(x11::get_primary_monitor()),
|
||||
Backend::X(ref connec) => MonitorID::X(x11::get_primary_monitor(connec)),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -147,7 +150,7 @@ impl Window {
|
|||
pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
|
||||
match *BACKEND {
|
||||
Backend::Wayland => wayland::Window::new(builder).map(Window::Wayland),
|
||||
Backend::X => x11::Window::new(builder).map(Window::X),
|
||||
Backend::X(ref connec) => x11::Window::new(connec, builder).map(Window::X),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -286,7 +289,6 @@ impl Window {
|
|||
}
|
||||
|
||||
impl GlContext for Window {
|
||||
|
||||
unsafe fn make_current(&self) {
|
||||
match self {
|
||||
&Window::X(ref w) => w.make_current(),
|
||||
|
|
@ -328,4 +330,4 @@ impl GlContext for Window {
|
|||
&Window::Wayland(ref w) => w.get_pixel_format()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue