2014-07-28 04:38:27 +10:00
|
|
|
use {Event, Hints, MonitorID};
|
2014-07-27 23:10:58 +10:00
|
|
|
use libc;
|
|
|
|
use std::{mem, ptr};
|
2014-07-27 23:25:04 +10:00
|
|
|
use std::sync::atomics::AtomicBool;
|
2014-07-27 23:10:58 +10:00
|
|
|
|
2014-07-28 22:15:02 +10:00
|
|
|
mod events;
|
2014-07-27 23:10:58 +10:00
|
|
|
mod ffi;
|
|
|
|
|
|
|
|
pub struct Window {
|
|
|
|
display: *mut ffi::Display,
|
|
|
|
window: ffi::Window,
|
|
|
|
context: ffi::GLXContext,
|
2014-07-27 23:25:04 +10:00
|
|
|
should_close: AtomicBool,
|
|
|
|
wm_delete_window: ffi::Atom,
|
2014-07-27 23:10:58 +10:00
|
|
|
}
|
|
|
|
|
|
|
|
impl Window {
|
2014-07-28 04:38:27 +10:00
|
|
|
pub fn new(dimensions: Option<(uint, uint)>, title: &str, hints: &Hints, _: Option<MonitorID>)
|
2014-07-27 23:10:58 +10:00
|
|
|
-> Result<Window, String>
|
|
|
|
{
|
|
|
|
// calling XOpenDisplay
|
|
|
|
let display = unsafe {
|
|
|
|
let display = ffi::XOpenDisplay(ptr::null());
|
|
|
|
if display.is_null() {
|
|
|
|
return Err(format!("XOpenDisplay failed"));
|
|
|
|
}
|
|
|
|
display
|
|
|
|
};
|
|
|
|
|
|
|
|
// TODO: set error handler
|
|
|
|
|
|
|
|
static VISUAL_ATTRIBUTES: [libc::c_int, ..5] = [
|
|
|
|
ffi::GLX_RGBA,
|
|
|
|
ffi::GLX_DEPTH_SIZE,
|
|
|
|
24,
|
|
|
|
ffi::GLX_DOUBLEBUFFER,
|
|
|
|
0
|
|
|
|
];
|
|
|
|
|
|
|
|
// getting the visual infos
|
|
|
|
let visual_infos = unsafe {
|
|
|
|
let vi = ffi::glXChooseVisual(display, 0, VISUAL_ATTRIBUTES.as_ptr());
|
|
|
|
if vi.is_null() {
|
|
|
|
return Err(format!("glXChooseVisual failed"));
|
|
|
|
}
|
|
|
|
vi
|
|
|
|
};
|
|
|
|
|
|
|
|
// getting the root window
|
|
|
|
let root = unsafe { ffi::XDefaultRootWindow(display) };
|
|
|
|
|
|
|
|
// creating the color map
|
|
|
|
let cmap = unsafe {
|
|
|
|
let cmap = ffi::XCreateColormap(display, root,
|
|
|
|
(*visual_infos).visual, ffi::AllocNone);
|
|
|
|
// TODO: error checking?
|
|
|
|
cmap
|
|
|
|
};
|
|
|
|
|
|
|
|
// creating
|
|
|
|
let mut set_win_attr = {
|
|
|
|
let mut swa: ffi::XSetWindowAttributes = unsafe { mem::zeroed() };
|
|
|
|
swa.colormap = cmap;
|
2014-07-27 23:25:04 +10:00
|
|
|
swa.event_mask = ffi::ExposureMask | ffi::ResizeRedirectMask |
|
2014-07-28 22:15:02 +10:00
|
|
|
ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask |
|
|
|
|
ffi::KeyPressMask | ffi::KeyReleaseMask | ffi::ButtonPressMask |
|
|
|
|
ffi::ButtonReleaseMask;
|
2014-07-27 23:10:58 +10:00
|
|
|
swa
|
|
|
|
};
|
|
|
|
|
|
|
|
// finally creating the window
|
|
|
|
let window = unsafe {
|
2014-07-27 23:54:48 +10:00
|
|
|
let dimensions = dimensions.unwrap_or((800, 600));
|
|
|
|
|
|
|
|
let win = ffi::XCreateWindow(display, root, 50, 50, dimensions.val0() as libc::c_uint,
|
|
|
|
dimensions.val1() as libc::c_uint, 0, (*visual_infos).depth, ffi::InputOutput,
|
|
|
|
(*visual_infos).visual, ffi::CWColormap | ffi::CWEventMask,
|
|
|
|
&mut set_win_attr);
|
2014-07-27 23:10:58 +10:00
|
|
|
win
|
|
|
|
};
|
|
|
|
|
2014-07-27 23:25:04 +10:00
|
|
|
// creating window, step 2
|
|
|
|
let wm_delete_window = unsafe {
|
|
|
|
use std::c_str::ToCStr;
|
|
|
|
|
|
|
|
ffi::XMapWindow(display, window);
|
|
|
|
let mut wm_delete_window = ffi::XInternAtom(display,
|
|
|
|
"WM_DELETE_WINDOW".to_c_str().as_ptr() as *const libc::c_char, 0);
|
|
|
|
ffi::XSetWMProtocols(display, window, &mut wm_delete_window, 1);
|
|
|
|
ffi::XStoreName(display, window, mem::transmute(title.as_slice().as_ptr()));
|
|
|
|
ffi::XFlush(display);
|
|
|
|
|
|
|
|
wm_delete_window
|
|
|
|
};
|
2014-07-27 23:10:58 +10:00
|
|
|
|
|
|
|
// creating GL context
|
|
|
|
let context = unsafe {
|
|
|
|
ffi::glXCreateContext(display, visual_infos, ptr::null(), 1)
|
|
|
|
};
|
|
|
|
|
|
|
|
// returning
|
|
|
|
Ok(Window{
|
|
|
|
display: display,
|
|
|
|
window: window,
|
|
|
|
context: context,
|
2014-07-27 23:25:04 +10:00
|
|
|
should_close: AtomicBool::new(false),
|
|
|
|
wm_delete_window: wm_delete_window,
|
2014-07-27 23:10:58 +10:00
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn should_close(&self) -> bool {
|
2014-07-27 23:25:04 +10:00
|
|
|
use std::sync::atomics::Relaxed;
|
|
|
|
self.should_close.load(Relaxed)
|
2014-07-27 23:10:58 +10:00
|
|
|
}
|
|
|
|
|
|
|
|
pub fn set_title(&self, title: &str) {
|
|
|
|
unsafe {
|
|
|
|
ffi::XStoreName(self.display, self.window,
|
|
|
|
mem::transmute(title.as_slice().as_ptr()));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-07-30 21:10:17 +10:00
|
|
|
pub fn get_position(&self) -> Option<(int, int)> {
|
2014-07-27 23:10:58 +10:00
|
|
|
unimplemented!()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn set_position(&self, x: uint, y: uint) {
|
|
|
|
unimplemented!()
|
|
|
|
}
|
|
|
|
|
2014-07-30 21:10:17 +10:00
|
|
|
pub fn get_inner_size(&self) -> Option<(uint, uint)> {
|
2014-07-27 23:10:58 +10:00
|
|
|
unimplemented!()
|
|
|
|
}
|
|
|
|
|
2014-07-30 21:10:17 +10:00
|
|
|
pub fn get_outer_size(&self) -> Option<(uint, uint)> {
|
2014-07-28 06:31:00 +10:00
|
|
|
unimplemented!()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn set_inner_size(&self, x: uint, y: uint) {
|
2014-07-27 23:10:58 +10:00
|
|
|
unimplemented!()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn poll_events(&self) -> Vec<Event> {
|
2014-07-27 23:21:42 +10:00
|
|
|
use std::mem;
|
2014-07-28 23:06:38 +10:00
|
|
|
|
2014-07-27 23:25:04 +10:00
|
|
|
let mut events = Vec::new();
|
2014-07-27 23:21:42 +10:00
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
loop {
|
|
|
|
use std::num::Bounded;
|
2014-07-27 23:25:04 +10:00
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
let mut xev = unsafe { mem::uninitialized() };
|
|
|
|
let res = unsafe { ffi::XCheckMaskEvent(self.display, Bounded::max_value(), &mut xev) };
|
2014-07-27 23:25:04 +10:00
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
if res == 0 {
|
|
|
|
let res = unsafe { ffi::XCheckTypedEvent(self.display, ffi::ClientMessage, &mut xev) };
|
2014-07-28 22:15:02 +10:00
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
if res == 0 {
|
|
|
|
break
|
|
|
|
}
|
|
|
|
}
|
2014-07-28 21:25:28 +10:00
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
match xev.type_ {
|
|
|
|
ffi::ClientMessage => {
|
|
|
|
use Closed;
|
|
|
|
use std::sync::atomics::Relaxed;
|
|
|
|
|
|
|
|
let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) };
|
|
|
|
|
|
|
|
if client_msg.l[0] == self.wm_delete_window as libc::c_long {
|
|
|
|
self.should_close.store(true, Relaxed);
|
|
|
|
events.push(Closed);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
ffi::ResizeRequest => {
|
|
|
|
use SizeChanged;
|
|
|
|
let rs_event: &ffi::XResizeRequestEvent = unsafe { mem::transmute(&xev) };
|
|
|
|
events.push(SizeChanged(rs_event.width as uint, rs_event.height as uint));
|
|
|
|
},
|
|
|
|
|
|
|
|
ffi::MotionNotify => {
|
|
|
|
use CursorPositionChanged;
|
|
|
|
let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) };
|
|
|
|
events.push(CursorPositionChanged(event.x as uint, event.y as uint));
|
|
|
|
},
|
|
|
|
|
|
|
|
ffi::KeyPress | ffi::KeyRelease => {
|
|
|
|
use {Pressed, Released};
|
|
|
|
let event: &ffi::XKeyEvent = unsafe { mem::transmute(&xev) };
|
|
|
|
|
|
|
|
let keysym = unsafe { ffi::XKeycodeToKeysym(self.display, event.keycode as ffi::KeyCode, 0) };
|
|
|
|
|
|
|
|
match events::keycode_to_element(keysym as libc::c_uint) {
|
|
|
|
Some(elem) if xev.type_ == ffi::KeyPress => {
|
|
|
|
events.push(Pressed(elem));
|
|
|
|
},
|
|
|
|
Some(elem) if xev.type_ == ffi::KeyRelease => {
|
|
|
|
events.push(Released(elem));
|
|
|
|
},
|
|
|
|
_ => ()
|
|
|
|
}
|
|
|
|
//
|
|
|
|
},
|
|
|
|
|
|
|
|
ffi::ButtonPress | ffi::ButtonRelease => {
|
|
|
|
use {Pressed, Released};
|
|
|
|
let event: &ffi::XButtonEvent = unsafe { mem::transmute(&xev) };
|
|
|
|
//events.push(CursorPositionChanged(event.x as uint, event.y as uint));
|
|
|
|
},
|
|
|
|
|
|
|
|
_ => ()
|
|
|
|
}
|
2014-07-27 23:25:04 +10:00
|
|
|
}
|
2014-07-27 23:21:42 +10:00
|
|
|
|
2014-07-27 23:25:04 +10:00
|
|
|
events
|
2014-07-27 23:10:58 +10:00
|
|
|
}
|
|
|
|
|
2014-07-28 23:06:38 +10:00
|
|
|
pub fn wait_events(&self) -> Vec<Event> {
|
|
|
|
use std::mem;
|
|
|
|
|
|
|
|
loop {
|
|
|
|
// 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.display, &mut xev) };
|
|
|
|
|
|
|
|
// calling poll_events()
|
|
|
|
let ev = self.poll_events();
|
|
|
|
if ev.len() >= 1 {
|
|
|
|
return ev;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-07-27 23:10:58 +10:00
|
|
|
pub fn make_current(&self) {
|
|
|
|
let res = unsafe { ffi::glXMakeCurrent(self.display, self.window, self.context) };
|
|
|
|
if res == 0 {
|
|
|
|
fail!("glXMakeCurrent failed");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn get_proc_address(&self, addr: &str) -> *const () {
|
|
|
|
use std::c_str::ToCStr;
|
|
|
|
use std::mem;
|
|
|
|
|
|
|
|
unsafe {
|
|
|
|
addr.with_c_str(|s| {
|
|
|
|
let p = ffi::glXGetProcAddress(mem::transmute(s)) as *const ();
|
|
|
|
if !p.is_null() { return p; }
|
|
|
|
println!("{}", p);
|
|
|
|
p
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn swap_buffers(&self) {
|
|
|
|
unsafe { ffi::glXSwapBuffers(self.display, self.window) }
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Drop for Window {
|
|
|
|
fn drop(&mut self) {
|
2014-07-27 23:25:04 +10:00
|
|
|
unsafe { ffi::glXDestroyContext(self.display, self.context) }
|
|
|
|
unsafe { ffi::XDestroyWindow(self.display, self.window) }
|
2014-07-27 23:10:58 +10:00
|
|
|
unsafe { ffi::XCloseDisplay(self.display) }
|
|
|
|
}
|
|
|
|
}
|