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Merge pull request #434 from tomaka/x11-dynamic

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Make X11 dynamic
This commit is contained in:
tomaka 2015-05-07 16:42:21 +02:00
parent 3e29c6585b 7ee416ab88
commit 5e2001791d
5 changed files with 131 additions and 88 deletions
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16
Cargo.toml
View file

@ -51,13 +51,23 @@ kernel32-sys = "0.1"
[target.i686-unknown-linux-gnu.dependencies]
osmesa-sys = "0.0.5"
wayland-client = "*"
x11 = "*"
[target.i686-unknown-linux-gnu.dependencies.x11]
version = "*"
features = ["dynamic"]
[target.x86_64-unknown-linux-gnu.dependencies]
osmesa-sys = "0.0.5"
wayland-client = "*"
x11 = "*"
[target.x86_64-unknown-linux-gnu.dependencies.x11]
version = "*"
features = ["dynamic"]
[target.arm-unknown-linux-gnueabihf.dependencies]
osmesa-sys = "0.0.5"
x11 = "*"
wayland-client = "*"
[target.arm-unknown-linux-gnueabihf.dependencies.x11]
version = "*"
features = ["dynamic"]

2
build.rs
View file

@ -39,7 +39,7 @@ fn main() {
if target.contains("linux") {
let mut file = File::create(&dest.join("glx_bindings.rs")).unwrap();
gl_generator::generate_bindings(gl_generator::StaticGenerator,
gl_generator::generate_bindings(gl_generator::StructGenerator,
gl_generator::registry::Ns::Glx,
gl_generator::Fallbacks::All,
khronos_api::GLX_XML, vec![],

24
src/api/glx/mod.rs
View file

@ -15,6 +15,7 @@ use std::{mem, ptr};
use api::x11::ffi;
pub struct Context {
glx: ffi::glx::Glx,
display: *mut ffi::Display,
window: ffi::Window,
context: ffi::GLXContext,
@ -28,7 +29,7 @@ fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) ->
}
impl Context {
pub fn new(builder: BuilderAttribs, display: *mut ffi::Display, window: ffi::Window,
pub fn new(glx: ffi::glx::Glx, builder: BuilderAttribs, display: *mut ffi::Display, window: ffi::Window,
fb_config: ffi::glx::types::GLXFBConfig, mut visual_infos: ffi::glx::types::XVisualInfo)
-> Result<Context, CreationError>
{
@ -74,7 +75,7 @@ impl Context {
// loading the extra GLX functions
let extra_functions = ffi::glx_extra::Glx::load_with(|addr| {
with_c_str(addr, |s| {
ffi::glx::GetProcAddress(s as *const u8) as *const libc::c_void
glx.GetProcAddress(s as *const u8) as *const libc::c_void
})
});
@ -95,7 +96,7 @@ impl Context {
};
if context.is_null() {
context = ffi::glx::CreateContext(display as *mut _, &mut visual_infos, share, 1)
context = glx.CreateContext(display as *mut _, &mut visual_infos, share, 1)
}
if context.is_null() {
@ -107,7 +108,7 @@ impl Context {
// vsync
if builder.vsync {
unsafe { ffi::glx::MakeCurrent(display as *mut _, window, context) };
unsafe { glx.MakeCurrent(display as *mut _, window, context) };
if extra_functions.SwapIntervalEXT.is_loaded() {
// this should be the most common extension
@ -119,7 +120,7 @@ impl Context {
if builder.strict {
let mut swap = unsafe { mem::uninitialized() };
unsafe {
ffi::glx::QueryDrawable(display as *mut _, window,
glx.QueryDrawable(display as *mut _, window,
ffi::glx_extra::SWAP_INTERVAL_EXT as i32,
&mut swap);
}
@ -145,10 +146,11 @@ impl Context {
return Err(CreationError::OsError(format!("Couldn't find any available vsync extension")));
}
unsafe { ffi::glx::MakeCurrent(display as *mut _, 0, ptr::null()) };
unsafe { glx.MakeCurrent(display as *mut _, 0, ptr::null()) };
}
Ok(Context {
glx: glx,
display: display,
window: window,
context: context,
@ -158,27 +160,27 @@ impl Context {
impl GlContext for Context {
unsafe fn make_current(&self) {
let res = ffi::glx::MakeCurrent(self.display as *mut _, self.window, self.context);
let res = self.glx.MakeCurrent(self.display as *mut _, self.window, self.context);
if res == 0 {
panic!("glx::MakeCurrent failed");
}
}
fn is_current(&self) -> bool {
unsafe { ffi::glx::GetCurrentContext() == self.context }
unsafe { self.glx.GetCurrentContext() == self.context }
}
fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
let addr = CString::new(addr.as_bytes()).unwrap();
let addr = addr.as_ptr();
unsafe {
ffi::glx::GetProcAddress(addr as *const _) as *const _
self.glx.GetProcAddress(addr as *const _) as *const _
}
}
fn swap_buffers(&self) {
unsafe {
ffi::glx::SwapBuffers(self.display as *mut _, self.window)
self.glx.SwapBuffers(self.display as *mut _, self.window)
}
}
@ -199,7 +201,7 @@ impl Drop for Context {
unsafe {
// we don't call MakeCurrent(0, 0) because we are not sure that the context
// is still the current one
ffi::glx::DestroyContext(self.display as *mut _, self.context);
self.glx.DestroyContext(self.display as *mut _, self.context);
}
}
}

145
src/api/x11/mod.rs
View file

@ -39,11 +39,11 @@ unsafe extern "C" fn x_error_callback(_: *mut ffi::Display, event: *mut ffi::XEr
0
}
fn ensure_thread_init() {
fn ensure_thread_init(xlib: &ffi::Xlib) {
THREAD_INIT.call_once(|| {
unsafe {
ffi::XInitThreads();
ffi::XSetErrorHandler(Some(x_error_callback));
(xlib.XInitThreads)();
(xlib.XSetErrorHandler)(Some(x_error_callback));
}
});
}
@ -56,6 +56,9 @@ fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) ->
}
pub struct XWindow {
xlib: ffi::Xlib,
xf86vmode: ffi::Xf86vmode,
xcursor: ffi::Xcursor,
display: *mut ffi::Display,
window: ffi::Window,
pub context: Context,
@ -86,14 +89,14 @@ impl Drop for XWindow {
self.context = Context::None;
if self.is_fullscreen {
ffi::XF86VidModeSwitchToMode(self.display, self.screen_id, self.xf86_desk_mode);
ffi::XF86VidModeSetViewPort(self.display, self.screen_id, 0, 0);
(self.xf86vmode.XF86VidModeSwitchToMode)(self.display, self.screen_id, self.xf86_desk_mode);
(self.xf86vmode.XF86VidModeSetViewPort)(self.display, self.screen_id, 0, 0);
}
ffi::XDestroyIC(self.ic);
ffi::XCloseIM(self.im);
ffi::XDestroyWindow(self.display, self.window);
ffi::XCloseDisplay(self.display);
(self.xlib.XDestroyIC)(self.ic);
(self.xlib.XCloseIM)(self.im);
(self.xlib.XDestroyWindow)(self.display, self.window);
(self.xlib.XCloseDisplay)(self.display);
}
}
}
@ -117,8 +120,8 @@ impl WindowProxy {
};
unsafe {
ffi::XSendEvent(self.x.display, self.x.window, 0, 0, mem::transmute(&mut xev));
ffi::XFlush(self.x.display);
(self.x.xlib.XSendEvent)(self.x.display, self.x.window, 0, 0, mem::transmute(&mut xev));
(self.x.xlib.XFlush)(self.x.display);
}
}
}
@ -137,10 +140,10 @@ impl<'a> Iterator for PollEventsIterator<'a> {
loop {
let mut xev = unsafe { mem::uninitialized() };
let res = unsafe { ffi::XCheckMaskEvent(self.window.x.display, -1, &mut xev) };
let res = unsafe { (self.window.x.xlib.XCheckMaskEvent)(self.window.x.display, -1, &mut xev) };
if res == 0 {
let res = unsafe { ffi::XCheckTypedEvent(self.window.x.display, ffi::ClientMessage, &mut xev) };
let res = unsafe { (self.window.x.xlib.XCheckTypedEvent)(self.window.x.display, ffi::ClientMessage, &mut xev) };
if res == 0 {
return None;
@ -149,7 +152,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
match xev.get_type() {
ffi::KeymapNotify => {
unsafe { ffi::XRefreshKeyboardMapping(mem::transmute(&xev)); }
unsafe { (self.window.x.xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
},
ffi::ClientMessage => {
@ -194,7 +197,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
if event.type_ == ffi::KeyPress {
let raw_ev: *mut ffi::XKeyEvent = event;
unsafe { ffi::XFilterEvent(mem::transmute(raw_ev), self.window.x.window) };
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 };
@ -204,7 +207,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
let mut buffer: [u8; 16] = [mem::uninitialized(); 16];
let raw_ev: *mut ffi::XKeyEvent = event;
let count = ffi::Xutf8LookupString(self.window.x.ic, mem::transmute(raw_ev),
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());
@ -219,7 +222,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
}
let keysym = unsafe {
ffi::XKeycodeToKeysym(self.window.x.display, event.keycode as ffi::KeyCode, 0)
(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);
@ -282,7 +285,7 @@ impl<'a> Iterator for WaitEventsIterator<'a> {
// this will block until an event arrives, but doesn't remove
// it from the queue
let mut xev = unsafe { mem::uninitialized() };
unsafe { ffi::XPeekEvent(self.window.x.display, &mut xev) };
unsafe { (self.window.x.xlib.XPeekEvent)(self.window.x.display, &mut xev) };
// calling poll_events()
if let Some(ev) = self.window.poll_events().next() {
@ -307,12 +310,31 @@ pub struct Window {
impl Window {
pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
ensure_thread_init();
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
let xcursor = ffi::Xcursor::open().unwrap(); // FIXME: gracious handling
let xf86vmode = ffi::Xf86vmode::open().unwrap(); // FIXME: gracious handling
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 = ffi::XOpenDisplay(ptr::null());
let display = (xlib.XOpenDisplay)(ptr::null());
if display.is_null() {
return Err(OsError(format!("XOpenDisplay failed")));
}
@ -321,7 +343,7 @@ impl Window {
let screen_id = match builder.monitor {
Some(MonitorID(monitor)) => monitor as i32,
None => unsafe { ffi::XDefaultScreen(display) },
None => unsafe { (xlib.XDefaultScreen)(display) },
};
// getting the FBConfig
@ -356,13 +378,13 @@ impl Window {
let mut num_fb: libc::c_int = mem::uninitialized();
let fb = ffi::glx::ChooseFBConfig(display as *mut _, ffi::XDefaultScreen(display),
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
ffi::XFree(fb as *mut _);
(xlib.XFree)(fb as *mut _);
preferred_fb
};
@ -370,7 +392,7 @@ impl Window {
let modes = unsafe {
let mut mode_num: libc::c_int = mem::uninitialized();
let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized();
if ffi::XF86VidModeGetAllModeLines(display, screen_id, &mut mode_num, &mut modes) == 0 {
if (xf86vmode.XF86VidModeGetAllModeLines)(display, screen_id, &mut mode_num, &mut modes) == 0 {
return Err(OsError(format!("Could not query the video modes")));
}
@ -393,12 +415,12 @@ impl Window {
// getting the visual infos
let mut visual_infos: ffi::glx::types::XVisualInfo = unsafe {
let vi = ffi::glx::GetVisualFromFBConfig(display as *mut _, fb_config);
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 _);
ffi::XFree(vi as *mut _);
(xlib.XFree)(vi as *mut _);
vi_copy
};
@ -406,7 +428,7 @@ impl Window {
let pixel_format = {
let get_attrib = |attrib: libc::c_int| -> i32 {
let mut value = 0;
unsafe { ffi::glx::GetFBConfigAttrib(display as *mut _, fb_config, attrib, &mut value); }
unsafe { glx.GetFBConfigAttrib(display as *mut _, fb_config, attrib, &mut value); }
value
};
@ -428,11 +450,11 @@ impl Window {
};
// getting the root window
let root = unsafe { ffi::XDefaultRootWindow(display) };
let root = unsafe { (xlib.XDefaultRootWindow)(display) };
// creating the color map
let cmap = unsafe {
let cmap = ffi::XCreateColormap(display, root,
let cmap = (xlib.XCreateColormap)(display, root,
visual_infos.visual as *mut _, ffi::AllocNone);
// TODO: error checking?
cmap
@ -455,15 +477,15 @@ impl Window {
if builder.monitor.is_some() {
window_attributes |= ffi::CWOverrideRedirect;
unsafe {
ffi::XF86VidModeSwitchToMode(display, screen_id, *modes.offset(best_mode as isize));
ffi::XF86VidModeSetViewPort(display, screen_id, 0, 0);
(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 = ffi::XCreateWindow(display, root, 0, 0, dimensions.0 as libc::c_uint,
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);
@ -473,21 +495,21 @@ impl Window {
// set visibility
if builder.visible {
unsafe {
ffi::XMapRaised(display, window);
ffi::XFlush(display);
(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|
ffi::XInternAtom(display, delete_window, 0)
(xlib.XInternAtom)(display, delete_window, 0)
);
ffi::XSetWMProtocols(display, window, &mut wm_delete_window, 1);
(xlib.XSetWMProtocols)(display, window, &mut wm_delete_window, 1);
with_c_str(&*builder.title, |title| {;
ffi::XStoreName(display, window, title);
(xlib.XStoreName)(display, window, title);
});
ffi::XFlush(display);
(xlib.XFlush)(display);
wm_delete_window
};
@ -496,7 +518,7 @@ impl Window {
let im = unsafe {
let _lock = GLOBAL_XOPENIM_LOCK.lock().unwrap();
let im = ffi::XOpenIM(display, ptr::null_mut(), ptr::null_mut(), ptr::null_mut());
let im = (xlib.XOpenIM)(display, ptr::null_mut(), ptr::null_mut(), ptr::null_mut());
if im.is_null() {
return Err(OsError(format!("XOpenIM failed")));
}
@ -507,7 +529,7 @@ impl Window {
let ic = unsafe {
let ic = with_c_str("inputStyle", |input_style|
with_c_str("clientWindow", |client_window|
ffi::XCreateIC(
(xlib.XCreateIC)(
im, input_style,
ffi::XIMPreeditNothing | ffi::XIMStatusNothing, client_window,
window, ptr::null::<()>()
@ -517,14 +539,14 @@ impl Window {
if ic.is_null() {
return Err(OsError(format!("XCreateIC failed")));
}
ffi::XSetICFocus(ic);
(xlib.XSetICFocus)(ic);
ic
};
// Attempt to make keyboard input repeat detectable
unsafe {
let mut supported_ptr = ffi::False;
ffi::XkbSetDetectableAutoRepeat(display, ffi::True, &mut supported_ptr);
(xlib.XkbSetDetectableAutoRepeat)(display, ffi::True, &mut supported_ptr);
if supported_ptr == ffi::False {
return Err(OsError(format!("XkbSetDetectableAutoRepeat failed")));
}
@ -533,11 +555,11 @@ impl Window {
// Set ICCCM WM_CLASS property based on initial window title
unsafe {
with_c_str(&*builder.title, |c_name| {
let hint = ffi::XAllocClassHint();
let hint = (xlib.XAllocClassHint)();
(*hint).res_name = c_name as *mut i8;
(*hint).res_class = c_name as *mut i8;
ffi::XSetClassHint(display, window, hint);
ffi::XFree(hint as *mut libc::c_void);
(xlib.XSetClassHint)(display, window, hint);
(xlib.XFree)(hint as *mut libc::c_void);
});
}
@ -545,7 +567,7 @@ impl Window {
// creating the context
let context = match builder.gl_version {
GlRequest::Latest | GlRequest::Specific(Api::OpenGl, _) | GlRequest::GlThenGles { .. } => {
Context::Glx(try!(GlxContext::new(builder, display, window,
Context::Glx(try!(GlxContext::new(glx, builder, display, window,
fb_config, visual_infos)))
},
GlRequest::Specific(Api::OpenGlEs, _) => {
@ -567,6 +589,9 @@ impl Window {
// creating the window object
let window = Window {
x: Arc::new(XWindow {
xlib: xlib,
xcursor: xcursor,
xf86vmode: xf86vmode,
display: display,
window: window,
im: im,
@ -595,22 +620,22 @@ impl Window {
pub fn set_title(&self, title: &str) {
with_c_str(title, |title| unsafe {
ffi::XStoreName(self.x.display, self.x.window, title);
ffi::XFlush(self.x.display);
(self.x.xlib.XStoreName)(self.x.display, self.x.window, title);
(self.x.xlib.XFlush)(self.x.display);
})
}
pub fn show(&self) {
unsafe {
ffi::XMapRaised(self.x.display, self.x.window);
ffi::XFlush(self.x.display);
(self.x.xlib.XMapRaised)(self.x.display, self.x.window);
(self.x.xlib.XFlush)(self.x.display);
}
}
pub fn hide(&self) {
unsafe {
ffi::XUnmapWindow(self.x.display, self.x.window);
ffi::XFlush(self.x.display);
(self.x.xlib.XUnmapWindow)(self.x.display, self.x.window);
(self.x.xlib.XFlush)(self.x.display);
}
}
@ -626,7 +651,7 @@ impl Window {
let mut border: libc::c_uint = mem::uninitialized();
let mut depth: libc::c_uint = mem::uninitialized();
if ffi::XGetGeometry(self.x.display, self.x.window,
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
{
@ -642,7 +667,7 @@ impl Window {
}
pub fn set_position(&self, x: i32, y: i32) {
unsafe { ffi::XMoveWindow(self.x.display, self.x.window, x as libc::c_int, y as libc::c_int); }
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)> {
@ -728,9 +753,9 @@ impl Window {
MouseCursor::ZoomOut => "left_ptr",
};
let c_string = CString::new(cursor_name.as_bytes().to_vec()).unwrap();
let xcursor = ffi::XcursorLibraryLoadCursor(self.x.display, c_string.as_ptr());
ffi::XDefineCursor (self.x.display, self.x.window, xcursor);
ffi::XFlush(self.x.display);
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);
}
}
@ -740,7 +765,7 @@ impl Window {
match (state, *cursor_state) {
(CursorState::Normal, CursorState::Grab) => {
unsafe {
ffi::XUngrabPointer(self.x.display, ffi::CurrentTime);
(self.x.xlib.XUngrabPointer)(self.x.display, ffi::CurrentTime);
*cursor_state = CursorState::Normal;
Ok(())
}
@ -750,7 +775,7 @@ impl Window {
unsafe {
*cursor_state = CursorState::Grab;
match ffi::XGrabPointer(
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 |
@ -779,7 +804,7 @@ impl Window {
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
unsafe {
ffi::XWarpPointer(self.x.display, 0, self.x.window, 0, 0, 0, 0, x, y);
(self.x.xlib.XWarpPointer)(self.x.display, 0, self.x.window, 0, 0, 0, 0, x, y);
}
Ok(())

32
src/api/x11/monitor.rs
View file

@ -7,14 +7,16 @@ use native_monitor::NativeMonitorId;
pub struct MonitorID(pub u32);
pub fn get_available_monitors() -> VecDeque<MonitorID> {
ensure_thread_init();
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
ensure_thread_init(&xlib);
let nb_monitors = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
let display = (xlib.XOpenDisplay)(ptr::null());
if display.is_null() {
panic!("get_available_monitors failed");
}
let nb_monitors = ffi::XScreenCount(display);
ffi::XCloseDisplay(display);
let nb_monitors = (xlib.XScreenCount)(display);
(xlib.XCloseDisplay)(display);
nb_monitors
};
@ -24,14 +26,16 @@ pub fn get_available_monitors() -> VecDeque<MonitorID> {
}
pub fn get_primary_monitor() -> MonitorID {
ensure_thread_init();
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
ensure_thread_init(&xlib);
let primary_monitor = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
let display = (xlib.XOpenDisplay)(ptr::null());
if display.is_null() {
panic!("get_available_monitors failed");
}
let primary_monitor = ffi::XDefaultScreen(display);
ffi::XCloseDisplay(display);
let primary_monitor = (xlib.XDefaultScreen)(display);
(xlib.XCloseDisplay)(display);
primary_monitor
};
@ -50,13 +54,15 @@ impl MonitorID {
}
pub fn get_dimensions(&self) -> (u32, u32) {
let xlib = ffi::Xlib::open().unwrap(); // FIXME: gracious handling
let dimensions = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
let display = (xlib.XOpenDisplay)(ptr::null());
let MonitorID(screen_num) = *self;
let screen = ffi::XScreenOfDisplay(display, screen_num as i32);
let width = ffi::XWidthOfScreen(screen);
let height = ffi::XHeightOfScreen(screen);
ffi::XCloseDisplay(display);
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)
};