mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-12-27 23:51:30 +11:00
845 lines
30 KiB
Rust
845 lines
30 KiB
Rust
use {Event, MouseCursor};
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use CreationError;
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use CreationError::OsError;
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use libc;
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use std::borrow::Borrow;
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use std::{mem, ptr};
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use std::cell::Cell;
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use std::sync::atomic::AtomicBool;
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use std::collections::VecDeque;
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use std::sync::{Arc, Mutex};
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use Api;
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use ContextError;
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use CursorState;
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use GlAttributes;
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use GlContext;
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use GlRequest;
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use PixelFormat;
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use PixelFormatRequirements;
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use WindowAttributes;
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use api::glx::Context as GlxContext;
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use api::egl;
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use api::egl::Context as EglContext;
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use platform::MonitorId as PlatformMonitorId;
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use super::input::XInputEventHandler;
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use super::{ffi};
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use super::{MonitorId, XConnection};
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// XOpenIM doesn't seem to be thread-safe
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lazy_static! { // TODO: use a static mutex when that's possible, and put me back in my function
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static ref GLOBAL_XOPENIM_LOCK: Mutex<()> = Mutex::new(());
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}
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// TODO: remove me
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fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) -> T {
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use std::ffi::CString;
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let c_str = CString::new(s.as_bytes().to_vec()).unwrap();
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f(c_str.as_ptr())
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}
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struct WindowProxyData {
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display: Arc<XConnection>,
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window: ffi::Window,
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}
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unsafe impl Send for WindowProxyData {}
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pub struct XWindow {
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display: Arc<XConnection>,
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window: ffi::Window,
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pub context: Context,
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is_fullscreen: bool,
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screen_id: libc::c_int,
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xf86_desk_mode: *mut ffi::XF86VidModeModeInfo,
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ic: ffi::XIC,
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im: ffi::XIM,
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colormap: ffi::Colormap,
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window_proxy_data: Arc<Mutex<Option<WindowProxyData>>>,
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}
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pub enum Context {
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Glx(GlxContext),
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Egl(EglContext),
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None,
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}
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unsafe impl Send for XWindow {}
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unsafe impl Sync for XWindow {}
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unsafe impl Send for Window {}
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unsafe impl Sync for Window {}
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impl Drop for XWindow {
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fn drop(&mut self) {
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unsafe {
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// Clear out the window proxy data arc, so that any window proxy objects
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// are no longer able to send messages to this window.
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*self.window_proxy_data.lock().unwrap() = None;
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// we don't call MakeCurrent(0, 0) because we are not sure that the context
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// is still the current one
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self.context = Context::None;
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let _lock = GLOBAL_XOPENIM_LOCK.lock().unwrap();
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if self.is_fullscreen {
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(self.display.xf86vmode.XF86VidModeSwitchToMode)(self.display.display, self.screen_id, self.xf86_desk_mode);
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(self.display.xf86vmode.XF86VidModeSetViewPort)(self.display.display, self.screen_id, 0, 0);
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}
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(self.display.xlib.XDestroyIC)(self.ic);
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(self.display.xlib.XCloseIM)(self.im);
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(self.display.xlib.XDestroyWindow)(self.display.display, self.window);
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(self.display.xlib.XFreeColormap)(self.display.display, self.colormap);
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}
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}
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}
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#[derive(Clone)]
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pub struct WindowProxy {
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data: Arc<Mutex<Option<WindowProxyData>>>,
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}
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impl WindowProxy {
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pub fn wakeup_event_loop(&self) {
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let window_proxy_data = self.data.lock().unwrap();
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if let Some(ref data) = *window_proxy_data {
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let mut xev = ffi::XClientMessageEvent {
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type_: ffi::ClientMessage,
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window: data.window,
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format: 32,
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message_type: 0,
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serial: 0,
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send_event: 0,
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display: data.display.display,
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data: unsafe { mem::zeroed() },
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};
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unsafe {
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(data.display.xlib.XSendEvent)(data.display.display, data.window, 0, 0, mem::transmute(&mut xev));
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(data.display.xlib.XFlush)(data.display.display);
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}
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}
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}
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}
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// XEvents of type GenericEvent store their actual data
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// in an XGenericEventCookie data structure. This is a wrapper
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// to extract the cookie from a GenericEvent XEvent and release
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// the cookie data once it has been processed
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struct GenericEventCookie<'a> {
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display: &'a XConnection,
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cookie: ffi::XGenericEventCookie
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}
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impl<'a> GenericEventCookie<'a> {
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fn from_event<'b>(display: &'b XConnection, event: ffi::XEvent) -> Option<GenericEventCookie<'b>> {
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unsafe {
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let mut cookie: ffi::XGenericEventCookie = From::from(event);
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if (display.xlib.XGetEventData)(display.display, &mut cookie) == ffi::True {
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Some(GenericEventCookie{display: display, cookie: cookie})
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} else {
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None
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}
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}
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}
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}
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impl<'a> Drop for GenericEventCookie<'a> {
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fn drop(&mut self) {
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unsafe {
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let xlib = &self.display.xlib;
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(xlib.XFreeEventData)(self.display.display, &mut self.cookie);
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}
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}
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}
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pub struct PollEventsIterator<'a> {
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window: &'a Window
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}
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impl<'a> Iterator for PollEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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let xlib = &self.window.x.display.xlib;
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loop {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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let mut xev = unsafe { mem::uninitialized() };
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let res = unsafe { (xlib.XCheckMaskEvent)(self.window.x.display.display, -1, &mut xev) };
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if res == 0 {
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let res = unsafe { (xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::ClientMessage, &mut xev) };
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if res == 0 {
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let res = unsafe { (xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::GenericEvent, &mut xev) };
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if res == 0 {
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return None;
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}
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}
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}
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match xev.get_type() {
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ffi::MappingNotify => {
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unsafe { (xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
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},
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ffi::ClientMessage => {
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use events::Event::{Closed, Awakened};
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use std::sync::atomic::Ordering::Relaxed;
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let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) };
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if client_msg.data.get_long(0) == self.window.wm_delete_window as libc::c_long {
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self.window.is_closed.store(true, Relaxed);
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return Some(Closed);
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} else {
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return Some(Awakened);
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}
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},
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ffi::ConfigureNotify => {
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use events::Event::Resized;
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let cfg_event: &ffi::XConfigureEvent = unsafe { mem::transmute(&xev) };
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let (current_width, current_height) = self.window.current_size.get();
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if current_width != cfg_event.width || current_height != cfg_event.height {
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self.window.current_size.set((cfg_event.width, cfg_event.height));
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return Some(Resized(cfg_event.width as u32, cfg_event.height as u32));
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}
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},
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ffi::Expose => {
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use events::Event::Refresh;
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return Some(Refresh);
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},
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ffi::KeyPress | ffi::KeyRelease => {
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let mut event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&mut xev) };
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let events = self.window.input_handler.lock().unwrap().translate_key_event(&mut event);
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for event in events {
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self.window.pending_events.lock().unwrap().push_back(event);
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}
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},
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ffi::GenericEvent => {
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if let Some(cookie) = GenericEventCookie::from_event(self.window.x.display.borrow(), xev) {
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match cookie.cookie.evtype {
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ffi::XI_DeviceChanged...ffi::XI_LASTEVENT => {
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match self.window.input_handler.lock() {
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Ok(mut handler) => {
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match handler.translate_event(&cookie.cookie) {
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Some(event) => self.window.pending_events.lock().unwrap().push_back(event),
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None => {}
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}
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},
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Err(_) => {}
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}
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},
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_ => {}
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}
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}
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}
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_ => {}
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};
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}
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}
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}
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pub struct WaitEventsIterator<'a> {
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window: &'a Window,
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}
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impl<'a> Iterator for WaitEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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use std::sync::atomic::Ordering::Relaxed;
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use std::mem;
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while !self.window.is_closed.load(Relaxed) {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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// this will block until an event arrives, but doesn't remove
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// it from the queue
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let mut xev = unsafe { mem::uninitialized() };
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unsafe { (self.window.x.display.xlib.XPeekEvent)(self.window.x.display.display, &mut xev) };
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// calling poll_events()
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if let Some(ev) = self.window.poll_events().next() {
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return Some(ev);
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}
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}
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None
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}
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}
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pub struct Window {
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pub x: Arc<XWindow>,
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is_closed: AtomicBool,
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wm_delete_window: ffi::Atom,
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current_size: Cell<(libc::c_int, libc::c_int)>,
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/// Events that have been retreived with XLib but not dispatched with iterators yet
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pending_events: Mutex<VecDeque<Event>>,
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cursor_state: Mutex<CursorState>,
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input_handler: Mutex<XInputEventHandler>
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}
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impl Window {
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pub fn new(display: &Arc<XConnection>, window_attrs: &WindowAttributes,
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pf_reqs: &PixelFormatRequirements, opengl: &GlAttributes<&Window>)
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-> Result<Window, CreationError>
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{
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let dimensions = window_attrs.dimensions.unwrap_or((800, 600));
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let screen_id = match window_attrs.monitor {
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Some(PlatformMonitorId::X(MonitorId(_, monitor))) => monitor as i32,
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_ => unsafe { (display.xlib.XDefaultScreen)(display.display) },
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};
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// finding the mode to switch to if necessary
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let (mode_to_switch_to, xf86_desk_mode) = unsafe {
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let mut mode_num: libc::c_int = mem::uninitialized();
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let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized();
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if (display.xf86vmode.XF86VidModeGetAllModeLines)(display.display, screen_id, &mut mode_num, &mut modes) == 0 {
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return Err(OsError(format!("Could not query the video modes")));
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}
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let xf86_desk_mode = *modes.offset(0);
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// FIXME: `XF86VidModeModeInfo` is missing its `hskew` field. Therefore we point to
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// `vsyncstart` instead of `vdisplay` as a temporary hack.
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let mode_to_switch_to = if window_attrs.monitor.is_some() {
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let matching_mode = (0 .. mode_num).map(|i| {
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let m: ffi::XF86VidModeModeInfo = ptr::read(*modes.offset(i as isize) as *const _); m
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}).find(|m| m.hdisplay == dimensions.0 as u16 && m.vdisplay == dimensions.1 as u16);
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if let Some(matching_mode) = matching_mode {
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Some(matching_mode)
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} else {
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let m = (0 .. mode_num).map(|i| {
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let m: ffi::XF86VidModeModeInfo = ptr::read(*modes.offset(i as isize) as *const _); m
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}).find(|m| m.hdisplay >= dimensions.0 as u16 && m.vdisplay == dimensions.1 as u16);
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match m {
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Some(m) => Some(m),
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None => return Err(OsError(format!("Could not find a suitable graphics mode")))
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}
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}
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} else {
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None
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};
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(display.xlib.XFree)(modes as *mut _);
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(mode_to_switch_to, xf86_desk_mode)
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};
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// start the context building process
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enum Prototype<'a> {
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Glx(::api::glx::ContextPrototype<'a>),
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Egl(::api::egl::ContextPrototype<'a>),
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}
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let builder_clone_opengl_glx = opengl.clone().map_sharing(|_| unimplemented!()); // FIXME:
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let builder_clone_opengl_egl = opengl.clone().map_sharing(|_| unimplemented!()); // FIXME:
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let context = match opengl.version {
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GlRequest::Latest | GlRequest::Specific(Api::OpenGl, _) | GlRequest::GlThenGles { .. } => {
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// GLX should be preferred over EGL, otherwise crashes may occur
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// on X11 – issue #314
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if let Some(ref glx) = display.glx {
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Prototype::Glx(try!(GlxContext::new(glx.clone(), &display.xlib, pf_reqs, &builder_clone_opengl_glx, display.display)))
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} else if let Some(ref egl) = display.egl {
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Prototype::Egl(try!(EglContext::new(egl.clone(), pf_reqs, &builder_clone_opengl_egl, egl::NativeDisplay::X11(Some(display.display as *const _)))))
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} else {
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return Err(CreationError::NotSupported);
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}
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},
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GlRequest::Specific(Api::OpenGlEs, _) => {
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if let Some(ref egl) = display.egl {
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Prototype::Egl(try!(EglContext::new(egl.clone(), pf_reqs, &builder_clone_opengl_egl, egl::NativeDisplay::X11(Some(display.display as *const _)))))
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} else {
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return Err(CreationError::NotSupported);
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}
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},
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GlRequest::Specific(_, _) => {
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return Err(CreationError::NotSupported);
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},
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};
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// getting the `visual_infos` (a struct that contains information about the visual to use)
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let visual_infos = match context {
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Prototype::Glx(ref p) => p.get_visual_infos().clone(),
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Prototype::Egl(ref p) => {
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unsafe {
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let mut template: ffi::XVisualInfo = mem::zeroed();
|
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template.visualid = p.get_native_visual_id() as ffi::VisualID;
|
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|
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let mut num_visuals = 0;
|
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let vi = (display.xlib.XGetVisualInfo)(display.display, ffi::VisualIDMask,
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&mut template, &mut num_visuals);
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assert!(!vi.is_null());
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assert!(num_visuals == 1);
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let vi_copy = ptr::read(vi as *const _);
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(display.xlib.XFree)(vi as *mut _);
|
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vi_copy
|
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}
|
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},
|
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};
|
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|
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// getting the root window
|
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let root = unsafe { (display.xlib.XDefaultRootWindow)(display.display) };
|
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|
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// creating the color map
|
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let cmap = unsafe {
|
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let cmap = (display.xlib.XCreateColormap)(display.display, root,
|
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visual_infos.visual as *mut _,
|
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ffi::AllocNone);
|
||
// TODO: error checking?
|
||
cmap
|
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};
|
||
|
||
// creating
|
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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;
|
||
if window_attrs.transparent {
|
||
swa.background_pixel = 0;
|
||
}
|
||
swa.override_redirect = 0;
|
||
swa
|
||
};
|
||
|
||
let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi::CWEventMask;
|
||
|
||
if window_attrs.transparent {
|
||
window_attributes |= ffi::CWBackPixel;
|
||
}
|
||
|
||
// switching to fullscreen
|
||
if let Some(mut mode_to_switch_to) = mode_to_switch_to {
|
||
window_attributes |= ffi::CWOverrideRedirect;
|
||
unsafe {
|
||
(display.xf86vmode.XF86VidModeSwitchToMode)(display.display, screen_id, &mut mode_to_switch_to);
|
||
(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 window_attrs.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(&*window_attrs.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(&*window_attrs.title, |c_name| {
|
||
let hint = (display.xlib.XAllocClassHint)();
|
||
(*hint).res_name = c_name as *mut libc::c_char;
|
||
(*hint).res_class = c_name as *mut libc::c_char;
|
||
(display.xlib.XSetClassHint)(display.display, window, hint);
|
||
(display.xlib.XFree)(hint as *mut libc::c_void);
|
||
});
|
||
}
|
||
|
||
let is_fullscreen = window_attrs.monitor.is_some();
|
||
|
||
// finish creating the OpenGL context
|
||
let context = match context {
|
||
Prototype::Glx(ctxt) => {
|
||
Context::Glx(try!(ctxt.finish(window)))
|
||
},
|
||
Prototype::Egl(ctxt) => {
|
||
Context::Egl(try!(ctxt.finish(window as *const libc::c_void)))
|
||
},
|
||
};
|
||
|
||
// creating the window object
|
||
let window_proxy_data = WindowProxyData {
|
||
display: display.clone(),
|
||
window: window,
|
||
};
|
||
let window_proxy_data = Arc::new(Mutex::new(Some(window_proxy_data)));
|
||
|
||
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,
|
||
colormap: cmap,
|
||
window_proxy_data: window_proxy_data,
|
||
}),
|
||
is_closed: AtomicBool::new(false),
|
||
wm_delete_window: wm_delete_window,
|
||
current_size: Cell::new((0, 0)),
|
||
pending_events: Mutex::new(VecDeque::new()),
|
||
cursor_state: Mutex::new(CursorState::Normal),
|
||
input_handler: Mutex::new(XInputEventHandler::new(display, window, ic, window_attrs))
|
||
};
|
||
|
||
// returning
|
||
Ok(window)
|
||
}
|
||
|
||
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))
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
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); }
|
||
}
|
||
|
||
#[inline]
|
||
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
|
||
self.get_geometry().map(|(_, _, w, h, _)| (w, h))
|
||
}
|
||
|
||
#[inline]
|
||
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?
|
||
}
|
||
|
||
#[inline]
|
||
pub fn set_inner_size(&self, x: u32, y: u32) {
|
||
unsafe { (self.x.display.xlib.XResizeWindow)(self.x.display.display, self.x.window, x as libc::c_uint, y as libc::c_uint); }
|
||
}
|
||
|
||
#[inline]
|
||
pub fn create_window_proxy(&self) -> WindowProxy {
|
||
WindowProxy {
|
||
data: self.x.window_proxy_data.clone()
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
pub fn poll_events(&self) -> PollEventsIterator {
|
||
PollEventsIterator {
|
||
window: self
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
pub fn wait_events(&self) -> WaitEventsIterator {
|
||
WaitEventsIterator {
|
||
window: self
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
pub fn get_xlib_display(&self) -> *mut libc::c_void {
|
||
self.x.display.display as *mut libc::c_void
|
||
}
|
||
|
||
#[inline]
|
||
pub fn platform_display(&self) -> *mut libc::c_void {
|
||
self.x.display.display as *mut libc::c_void
|
||
}
|
||
|
||
#[inline]
|
||
pub fn get_xlib_window(&self) -> *mut libc::c_void {
|
||
self.x.window as *mut libc::c_void
|
||
}
|
||
|
||
#[inline]
|
||
pub fn platform_window(&self) -> *mut libc::c_void {
|
||
self.x.window as *mut libc::c_void
|
||
}
|
||
|
||
#[inline]
|
||
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> {
|
||
use CursorState::{ Grab, Normal };
|
||
|
||
let mut cursor_state = self.cursor_state.lock().unwrap();
|
||
|
||
match (state, *cursor_state) {
|
||
(Normal, Grab) => {
|
||
unsafe {
|
||
(self.x.display.xlib.XUngrabPointer)(self.x.display.display, ffi::CurrentTime);
|
||
*cursor_state = Normal;
|
||
Ok(())
|
||
}
|
||
},
|
||
|
||
(Grab, Normal) => {
|
||
unsafe {
|
||
*cursor_state = 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!(),
|
||
}
|
||
}
|
||
},
|
||
|
||
// Nothing needs to change
|
||
(Grab, Grab) | (Normal, Normal) => Ok(()),
|
||
|
||
_ => unimplemented!(),
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
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 {
|
||
#[inline]
|
||
unsafe fn make_current(&self) -> Result<(), ContextError> {
|
||
match self.x.context {
|
||
Context::Glx(ref ctxt) => ctxt.make_current(),
|
||
Context::Egl(ref ctxt) => ctxt.make_current(),
|
||
Context::None => Ok(())
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
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!()
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
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()
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
fn swap_buffers(&self) -> Result<(), ContextError> {
|
||
match self.x.context {
|
||
Context::Glx(ref ctxt) => ctxt.swap_buffers(),
|
||
Context::Egl(ref ctxt) => ctxt.swap_buffers(),
|
||
Context::None => Ok(())
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
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!()
|
||
}
|
||
}
|
||
|
||
#[inline]
|
||
fn get_pixel_format(&self) -> PixelFormat {
|
||
match self.x.context {
|
||
Context::Glx(ref ctxt) => ctxt.get_pixel_format(),
|
||
Context::Egl(ref ctxt) => ctxt.get_pixel_format(),
|
||
Context::None => panic!()
|
||
}
|
||
}
|
||
}
|