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-rw-r--r--src/api/x11/mod.rs860
-rw-r--r--src/api/x11/monitor.rs66
-rw-r--r--src/api/x11/window.rs803
-rw-r--r--src/api/x11/xdisplay.rs100
4 files changed, 925 insertions, 904 deletions
diff --git a/src/api/x11/mod.rs b/src/api/x11/mod.rs
index 30adadc..e900583 100644
--- a/src/api/x11/mod.rs
+++ b/src/api/x11/mod.rs
@@ -1,860 +1,12 @@
#![cfg(all(target_os = "linux", feature = "window"))]
-use {Event, BuilderAttribs, MouseCursor};
-use CreationError;
-use CreationError::OsError;
-use libc;
-use std::{mem, ptr};
-use std::cell::Cell;
-use std::ffi::CString;
-use std::sync::atomic::AtomicBool;
-use std::collections::VecDeque;
-use std::sync::{Arc, Mutex, Once, ONCE_INIT};
-
-use Api;
-use CursorState;
-use GlContext;
-use GlRequest;
-use PixelFormat;
-
-use api::dlopen;
-use api::glx::Context as GlxContext;
-use api::egl::Context as EglContext;
-
-use platform::MonitorID as PlatformMonitorID;
-
pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor};
+pub use self::window::{Window, XWindow, PollEventsIterator, WaitEventsIterator, Context, WindowProxy};
+pub use self::xdisplay::XConnection;
-mod events;
-mod monitor;
pub mod ffi;
-static THREAD_INIT: Once = ONCE_INIT;
-
-// 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(());
-}
-
-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
-}
-
-fn ensure_thread_init(xlib: &ffi::Xlib) {
- THREAD_INIT.call_once(|| {
- unsafe {
- (xlib.XInitThreads)();
- (xlib.XSetErrorHandler)(Some(x_error_callback));
- }
- });
-}
-
-// 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 {
- xlib: ffi::Xlib,
- xf86vmode: ffi::Xf86vmode,
- xcursor: ffi::Xcursor,
- display: *mut ffi::Display,
- 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.xf86vmode.XF86VidModeSwitchToMode)(self.display, self.screen_id, self.xf86_desk_mode);
- (self.xf86vmode.XF86VidModeSetViewPort)(self.display, self.screen_id, 0, 0);
- }
-
- (self.xlib.XDestroyIC)(self.ic);
- (self.xlib.XCloseIM)(self.im);
- (self.xlib.XDestroyWindow)(self.display, self.window);
- (self.xlib.XCloseDisplay)(self.display);
- }
- }
-}
-
-#[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,
- data: unsafe { mem::zeroed() },
- };
-
- unsafe {
- (self.x.xlib.XSendEvent)(self.x.display, self.x.window, 0, 0, mem::transmute(&mut xev));
- (self.x.xlib.XFlush)(self.x.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.xlib.XCheckMaskEvent)(self.window.x.display, -1, &mut xev) };
-
- if res == 0 {
- let res = unsafe { (self.window.x.xlib.XCheckTypedEvent)(self.window.x.display, ffi::ClientMessage, &mut xev) };
-
- if res == 0 {
- return None;
- }
- }
-
- match xev.get_type() {
- ffi::KeymapNotify => {
- unsafe { (self.window.x.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.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.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.xlib.XKeycodeToKeysym)(self.window.x.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.xlib.XPeekEvent)(self.window.x.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(builder: BuilderAttribs) -> Result<Window, CreationError> {
- let xlib = try!(ffi::Xlib::open().map_err(|_| CreationError::NotSupported));
- let xcursor = try!(ffi::Xcursor::open().map_err(|_| CreationError::NotSupported));
- let xf86vmode = try!(ffi::Xf86vmode::open().map_err(|_| CreationError::NotSupported));
-
- 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() {
- return Err(CreationError::NotSupported);
- }
-
- ffi::glx::Glx::load_with(|sym| {
- let sym = CString::new(sym).unwrap();
- unsafe { dlopen::dlsym(libglx, sym.as_ptr()) }
- })
- };
-
- ensure_thread_init(&xlib);
- let dimensions = builder.dimensions.unwrap_or((800, 600));
-
- // calling XOpenDisplay
- let display = unsafe {
- let display = (xlib.XOpenDisplay)(ptr::null());
- if display.is_null() {
- return Err(OsError(format!("XOpenDisplay failed")));
- }
- display
- };
-
- let screen_id = match builder.monitor {
- Some(PlatformMonitorID::X(MonitorID(monitor))) => monitor as i32,
- _ => unsafe { (xlib.XDefaultScreen)(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 = glx.ChooseFBConfig(display as *mut _, (xlib.XDefaultScreen)(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
- (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 (xf86vmode.XF86VidModeGetAllModeLines)(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 = glx.GetVisualFromFBConfig(display as *mut _, fb_config);
- if vi.is_null() {
- return Err(OsError(format!("glx::ChooseVisual failed")));
- }
- let vi_copy = ptr::read(vi as *const _);
- (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 { glx.GetFBConfigAttrib(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 { (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 events;
+mod monitor;
+mod window;
+mod xdisplay;
diff --git a/src/api/x11/monitor.rs b/src/api/x11/monitor.rs
index a563d2e..d556930 100644
--- a/src/api/x11/monitor.rs
+++ b/src/api/x11/monitor.rs
@@ -1,72 +1,38 @@
-use std::ptr;
use std::collections::VecDeque;
-use super::ffi;
-use super::ensure_thread_init;
-use native_monitor::NativeMonitorId;
+use std::sync::Arc;
-pub struct MonitorID(pub u32);
+use super::XConnection;
+use native_monitor::NativeMonitorId;
-pub fn get_available_monitors() -> VecDeque<MonitorID> {
- let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
+pub struct MonitorID(pub Arc<XConnection>, pub u32);
- 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)
}
}
-
diff --git a/src/api/x11/window.rs b/src/api/x11/window.rs
new file mode 100644
index 0000000..0994638
--- /dev/null
+++ b/src/api/x11/window.rs
@@ -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()
+ }
+}
diff --git a/src/api/x11/xdisplay.rs b/src/api/x11/xdisplay.rs
new file mode 100644
index 0000000..9037155
--- /dev/null
+++ b/src/api/x11/xdisplay.rs
@@ -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) };
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 14:33:30 +0000