Implement ReceivedCharacter for X11

This commit is contained in:
Pierre Krieger 2014-07-31 18:42:14 +02:00
parent 59b4d23d58
commit 26fec195d5
2 changed files with 96 additions and 17 deletions

View file

@ -9,7 +9,7 @@ pub type Bool = libc::c_int;
pub type Colormap = XID;
pub type Cursor = XID;
pub type Display = ();
pub type Drawable = XID; // TODO: not sure
pub type Drawable = XID; // TODO: not sure
pub type GLXContext = *const ();
pub type GLXContextID = XID;
pub type GLXDrawable = XID;
@ -25,7 +25,10 @@ pub type Time = libc::c_ulong;
pub type Visual = (); // TODO: not sure
pub type VisualID = libc::c_ulong; // TODO: not sure
pub type Window = XID;
pub type XrmDatabase = *const (); // TODO: not sure
pub type XIC = *mut ();
pub type XID = uint;
pub type XIM = *mut ();
pub static AllocNone: libc::c_int = 0;
pub static AllocAll: libc::c_int = 1;
@ -201,6 +204,16 @@ pub static GLX_PBUFFER: libc::c_int = 0x8023;
pub static GLX_PBUFFER_HEIGHT: libc::c_int = 0x8040;
pub static GLX_PBUFFER_WIDTH: libc::c_int = 0x8041;
pub static XIMPreeditArea: libc::c_long = 0x0001;
pub static XIMPreeditCallbacks: libc::c_long = 0x0002;
pub static XIMPreeditPosition: libc::c_long = 0x0004;
pub static XIMPreeditNothing: libc::c_long = 0x0008;
pub static XIMPreeditNone: libc::c_long = 0x0010;
pub static XIMStatusArea: libc::c_long = 0x0100;
pub static XIMStatusCallbacks: libc::c_long = 0x0200;
pub static XIMStatusNothing: libc::c_long = 0x0400;
pub static XIMStatusNone: libc::c_long = 0x0800;
pub static XK_BackSpace: libc::c_uint = 0xFF08;
pub static XK_Tab: libc::c_uint = 0xFF09;
pub static XK_Linefeed: libc::c_uint = 0xFF0A;
@ -1333,11 +1346,12 @@ extern "C" {
pub fn XDefaultRootWindow(display: *mut Display) -> Window;
pub fn XDefaultScreen(display: *mut Display) -> libc::c_int;
pub fn XDestroyWindow(display: *mut Display, w: Window);
pub fn XFilterEvent(event: *mut XEvent, w: Window) -> Bool;
pub fn XFlush(display: *mut Display);
pub fn XGetGeometry(display: *mut Display, d: Drawable, root_return: *mut Window,
x_return: *mut libc::c_int, y_return: *mut libc::c_int,
width_return: *mut libc::c_uint, height_return: *mut libc::c_uint,
border_width_return: *mut libc::c_uint, depth_return: *mut libc::c_uint) -> Status;
x_return: *mut libc::c_int, y_return: *mut libc::c_int,
width_return: *mut libc::c_uint, height_return: *mut libc::c_uint,
border_width_return: *mut libc::c_uint, depth_return: *mut libc::c_uint) -> Status;
pub fn XInternAtom(display: *mut Display, atom_name: *const libc::c_char,
only_if_exists: Bool) -> Atom;
pub fn XKeycodeToKeysym(display: *mut Display, keycode: KeyCode,
@ -1346,26 +1360,37 @@ extern "C" {
pub fn XNextEvent(display: *mut Display, event_return: *mut XEvent);
pub fn XOpenDisplay(display_name: *const libc::c_char) -> *mut Display;
pub fn XPeekEvent(display: *mut Display, event_return: *mut XEvent);
pub fn XRefreshKeyboardMapping(event_map: *const XEvent);
pub fn XSetWMProtocols(display: *mut Display, w: Window, protocols: *mut Atom,
count: libc::c_int) -> Status;
pub fn XStoreName(display: *mut Display, w: Window, window_name: *const libc::c_char);
pub fn XCloseIM(im: XIM) -> Status;
pub fn XOpenIM(display: *mut Display, db: XrmDatabase, res_name: *mut libc::c_char,
res_class: *mut libc::c_char) -> XIM;
// TODO: this is a vararg function
//pub fn XCreateIC(im: XIM, ...) -> XIC;
pub fn XCreateIC(im: XIM, a: *const libc::c_char, b: libc::c_long, c: *const libc::c_char,
d: Window, e: *const ()) -> XIC;
pub fn XDestroyIC(ic: XIC);
pub fn XSetICFocus(ic: XIC);
pub fn XUnsetICFocus(ic: XIC);
pub fn Xutf8LookupString(ic: XIC, event: *mut XKeyEvent,
buffer_return: *mut libc::c_char, bytes_buffer: libc::c_int,
keysym_return: *mut KeySym, status_return: *mut Status) -> libc::c_int;
pub fn glXCreateContext(dpy: *mut Display, vis: *const XVisualInfo,
shareList: GLXContext, direct: Bool) -> GLXContext;
pub fn glXDestroyContext(dpy: *mut Display, ctx: GLXContext);
pub fn glXChooseFBConfig(dpy: *mut Display, screen: libc::c_int,
attrib_list: *const libc::c_int, nelements: *mut libc::c_int);
pub fn glXChooseVisual(dpy: *mut Display, screen: libc::c_int,
attribList: *const libc::c_int) -> *const XVisualInfo;
pub fn glXGetProcAddress(procName: *const libc::c_uchar) -> *const ();
pub fn glXMakeCurrent(dpy: *mut Display, drawable: GLXDrawable,
ctx: GLXContext) -> Bool;
pub fn glXSwapBuffers(dpy: *mut Display, drawable: GLXDrawable);
}

View file

@ -9,6 +9,8 @@ mod ffi;
pub struct Window {
display: *mut ffi::Display,
window: ffi::Window,
im: ffi::XIM,
ic: ffi::XIC,
context: ffi::GLXContext,
is_closed: AtomicBool,
wm_delete_window: ffi::Atom,
@ -80,7 +82,7 @@ impl Window {
swa.event_mask = ffi::ExposureMask | ffi::ResizeRedirectMask |
ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask |
ffi::KeyPressMask | ffi::KeyReleaseMask | ffi::ButtonPressMask |
ffi::ButtonReleaseMask;
ffi::ButtonReleaseMask | ffi::KeymapStateMask;
swa
};
@ -109,6 +111,29 @@ impl Window {
wm_delete_window
};
// creating
let im = unsafe {
let im = ffi::XOpenIM(display, ptr::null(), ptr::mut_null(), ptr::mut_null());
if im.is_null() {
return Err(format!("XOpenIM failed"));
}
im
};
// creating input context
let ic = unsafe {
use std::c_str::ToCStr;
let ic = ffi::XCreateIC(im, "inputStyle".to_c_str().as_ptr(),
ffi::XIMPreeditNothing | ffi::XIMStatusNothing, "clientWindow".to_c_str().as_ptr(),
window, ptr::null());
if ic.is_null() {
return Err(format!("XCreateIC failed"));
}
ffi::XSetICFocus(ic);
ic
};
// creating GL context
let context = unsafe {
ffi::glXCreateContext(display, visual_infos, ptr::null(), 1)
@ -118,6 +143,8 @@ impl Window {
Ok(Window{
display: display,
window: window,
im: im,
ic: ic,
context: context,
is_closed: AtomicBool::new(false),
wm_delete_window: wm_delete_window,
@ -199,6 +226,10 @@ impl Window {
}
match xev.type_ {
ffi::KeymapNotify => {
unsafe { ffi::XRefreshKeyboardMapping(&xev) }
},
ffi::ClientMessage => {
use Closed;
use std::sync::atomics::Relaxed;
@ -224,11 +255,32 @@ impl Window {
},
ffi::KeyPress | ffi::KeyRelease => {
use {Pressed, Released};
let event: &ffi::XKeyEvent = unsafe { mem::transmute(&xev) };
use {Pressed, Released, ReceivedCharacter};
let event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&xev) };
if event.type_ == ffi::KeyPress {
let raw_ev: *mut ffi::XKeyEvent = event;
unsafe { ffi::XFilterEvent(mem::transmute(raw_ev), self.window) };
}
let keysym = unsafe { ffi::XKeycodeToKeysym(self.display, event.keycode as ffi::KeyCode, 0) };
let written = unsafe {
use std::str;
let mut buffer: [u8, ..16] = [mem::uninitialized(), ..16];
let raw_ev: *mut ffi::XKeyEvent = event;
let count = ffi::Xutf8LookupString(self.ic, mem::transmute(raw_ev),
mem::transmute(buffer.as_mut_ptr()),
buffer.len() as libc::c_int, ptr::mut_null(), ptr::mut_null());
str::from_utf8(buffer.as_slice().slice_to(count as uint)).unwrap_or("").to_string()
};
for chr in written.as_slice().chars() {
events.push(ReceivedCharacter(chr));
}
match events::keycode_to_element(keysym as libc::c_uint) {
Some(elem) if xev.type_ == ffi::KeyPress => {
events.push(Pressed(elem));
@ -318,8 +370,10 @@ impl Window {
impl Drop for Window {
fn drop(&mut self) {
unsafe { ffi::glXDestroyContext(self.display, self.context) }
unsafe { ffi::XDestroyWindow(self.display, self.window) }
unsafe { ffi::XCloseDisplay(self.display) }
unsafe { ffi::glXDestroyContext(self.display, self.context); }
unsafe { ffi::XDestroyIC(self.ic); }
unsafe { ffi::XCloseIM(self.im); }
unsafe { ffi::XDestroyWindow(self.display, self.window); }
unsafe { ffi::XCloseDisplay(self.display); }
}
}