diff options
author | Brendan Zabarauskas <bjzaba@yahoo.com.au> | 2015-03-26 09:58:26 +1100 |
---|---|---|
committer | Brendan Zabarauskas <bjzaba@yahoo.com.au> | 2015-03-26 09:58:26 +1100 |
commit | eeb314d3aa12ec522432791f355079478ce65f90 (patch) | |
tree | 9c9178cdba57ceebda09771d4b99be81e4fb9010 /src | |
parent | 132753ebda7eac2ba3e693da8e0d60e41de2631c (diff) | |
parent | 4b1cfe880177019b6121ab48c5fb140bc070a13e (diff) | |
download | glutin-eeb314d3aa12ec522432791f355079478ce65f90.tar.gz glutin-eeb314d3aa12ec522432791f355079478ce65f90.zip |
Merge pull request #321 from SSheldon/objc_lib
Use objc crate for Objective-C runtime functionality
Diffstat (limited to 'src')
-rw-r--r-- | src/cocoa/mod.rs | 140 | ||||
-rw-r--r-- | src/lib.rs | 3 |
2 files changed, 59 insertions, 84 deletions
diff --git a/src/cocoa/mod.rs b/src/cocoa/mod.rs index 5e13a77..c150be0 100644 --- a/src/cocoa/mod.rs +++ b/src/cocoa/mod.rs @@ -10,9 +10,10 @@ use BuilderAttribs; use GlRequest; use native_monitor::NativeMonitorId; -use cocoa::base::{Class, id, YES, NO, NSUInteger, nil, objc_allocateClassPair, class, objc_registerClassPair}; -use cocoa::base::{selector, msg_send, msg_send_stret, class_addMethod, class_addIvar}; -use cocoa::base::{object_setInstanceVariable, object_getInstanceVariable}; +use objc::runtime::{Class, Object, Sel, BOOL, YES, NO}; +use objc::declare::ClassDecl; + +use cocoa::base::{id, nil, NSUInteger}; use cocoa::appkit; use cocoa::appkit::*; use cocoa::appkit::NSEventSubtype::*; @@ -22,8 +23,7 @@ use core_foundation::string::CFString; use core_foundation::bundle::{CFBundleGetBundleWithIdentifier, CFBundleGetFunctionPointerForName}; use std::cell::Cell; -use std::ffi::{CString, CStr}; -use std::mem; +use std::ffi::CStr; use std::ptr; use std::collections::VecDeque; use std::str::FromStr; @@ -63,35 +63,25 @@ struct WindowDelegate { } impl WindowDelegate { - fn class_name() -> &'static [u8] { - b"GlutinWindowDelegate\0" - } - - fn state_ivar_name() -> &'static [u8] { - b"glutinState" - } - /// Get the delegate class, initiailizing it neccessary - fn class() -> Class { + fn class() -> *const Class { use std::sync::{Once, ONCE_INIT}; - use std::rt; - extern fn window_should_close(this: id, _: id) -> id { + extern fn window_should_close(this: &Object, _: Sel, _: id) -> BOOL { unsafe { - let delegate = WindowDelegate { this: this }; - (*delegate.get_state()).is_closed = true; - mem::forget(delegate); + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = state as *mut DelegateState; + (*state).is_closed = true; } - 0 + NO } - extern fn window_did_resize(this: id, _: id) -> id { + extern fn window_did_resize(this: &Object, _: Sel, _: id) { unsafe { - let delegate = WindowDelegate { this: this }; - let state = &mut *delegate.get_state(); - mem::forget(delegate); + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); - let _: id = msg_send()(*state.context, selector("update")); + let _: id = msg_send![*state.context, update]; if let Some(handler) = state.handler { let rect = NSView::frame(*state.view); @@ -100,64 +90,43 @@ impl WindowDelegate { (scale_factor * rect.size.height as f32) as u32); } } - 0 } - static mut delegate_class: Class = nil; - static mut init: Once = ONCE_INIT; + static mut delegate_class: *const Class = 0 as *const Class; + static INIT: Once = ONCE_INIT; + + INIT.call_once(|| unsafe { + // Create new NSWindowDelegate + let superclass = Class::get("NSObject").unwrap(); + let mut decl = ClassDecl::new(superclass, "GlutinWindowDelegate").unwrap(); + + // Add callback methods + decl.add_method(sel!(windowShouldClose:), + window_should_close as extern fn(&Object, Sel, id) -> BOOL); + decl.add_method(sel!(windowDidResize:), + window_did_resize as extern fn(&Object, Sel, id)); + + // Store internal state as user data + decl.add_ivar::<*mut libc::c_void>("glutinState"); + + delegate_class = decl.register(); + }); unsafe { - init.call_once(|| { - let ptr_size = mem::size_of::<libc::intptr_t>(); - // Create new NSWindowDelegate - delegate_class = objc_allocateClassPair( - class("NSObject"), - WindowDelegate::class_name().as_ptr() as *const i8, 0); - // Add callback methods - class_addMethod(delegate_class, - selector("windowShouldClose:"), - window_should_close, - CString::new("B@:@").unwrap().as_ptr()); - class_addMethod(delegate_class, - selector("windowDidResize:"), - window_did_resize, - CString::new("V@:@").unwrap().as_ptr()); - // Store internal state as user data - class_addIvar(delegate_class, WindowDelegate::state_ivar_name().as_ptr() as *const i8, - ptr_size as u64, 3, - CString::new("?").unwrap().as_ptr()); - objc_registerClassPair(delegate_class); - // Free class at exit - rt::at_exit(|| { - // objc_disposeClassPair(delegate_class); - }); - }); delegate_class } } fn new(window: id) -> WindowDelegate { unsafe { - let delegate: id = msg_send()(WindowDelegate::class(), selector("new")); - let _: id = msg_send()(window, selector("setDelegate:"), delegate); + let delegate: id = msg_send![WindowDelegate::class(), new]; + let _: id = msg_send![window, setDelegate:delegate]; WindowDelegate { this: delegate } } } unsafe fn set_state(&self, state: *mut DelegateState) { - object_setInstanceVariable(self.this, - WindowDelegate::state_ivar_name().as_ptr() as *const i8, - state as *mut libc::c_void); - } - - fn get_state(&self) -> *mut DelegateState { - unsafe { - let mut state = ptr::null_mut(); - object_getInstanceVariable(self.this, - WindowDelegate::state_ivar_name().as_ptr() as *const i8, - &mut state); - state as *mut DelegateState - } + (&mut *self.this).set_ivar("glutinState", state as *mut libc::c_void); } } @@ -234,7 +203,7 @@ impl<'a> Iterator for PollEventsIterator<'a> { self.window.is_closed.set(ds.is_closed); } - let event = match msg_send()(event, selector("type")) { + let event = match msg_send![event, type] { NSLeftMouseDown => { Some(MouseInput(Pressed, MouseButton::Left)) }, NSLeftMouseUp => { Some(MouseInput(Released, MouseButton::Left)) }, NSRightMouseDown => { Some(MouseInput(Pressed, MouseButton::Right)) }, @@ -244,8 +213,8 @@ impl<'a> Iterator for PollEventsIterator<'a> { NSOtherMouseDragged | NSRightMouseDragged => { let window_point = event.locationInWindow(); - let window: id = msg_send()(event, selector("window")); - let view_point = if window == 0 { + let window: id = msg_send![event, window]; + let view_point = if window == nil { let window_rect = self.window.window.convertRectFromScreen_(NSRect::new(window_point, NSSize::new(0.0, 0.0))); self.window.view.convertPoint_fromView_(window_rect.origin, nil) } else { @@ -416,15 +385,15 @@ impl Window { }; let matching_screen = { let screens = NSScreen::screens(nil); - let count: NSUInteger = msg_send()(screens, selector("count")); + let count: NSUInteger = msg_send![screens, count]; let key = IdRef::new(NSString::alloc(nil).init_str("NSScreenNumber")); let mut matching_screen: Option<id> = None; for i in (0..count) { - let screen = msg_send()(screens, selector("objectAtIndex:"), i as NSUInteger); + let screen = msg_send![screens, objectAtIndex:i as NSUInteger]; let device_description = NSScreen::deviceDescription(screen); - let value = msg_send()(device_description, selector("objectForKey:"), *key); + let value = msg_send![device_description, objectForKey:*key]; if value != nil { - let screen_number: NSUInteger = msg_send()(value, selector("unsignedIntValue")); + let screen_number: NSUInteger = msg_send![value, unsignedIntValue]; if screen_number as u32 == native_id { matching_screen = Some(screen); break; @@ -605,7 +574,7 @@ impl Window { } pub unsafe fn make_current(&self) { - let _: id = msg_send()(*self.context, selector("update")); + let _: id = msg_send![*self.context, update]; self.context.makeCurrentContext(); } @@ -613,7 +582,7 @@ impl Window { unsafe { let current = NSOpenGLContext::currentContext(nil); if current != nil { - let is_equal: bool = msg_send()(current, selector("isEqual:"), *self.context); + let is_equal: bool = msg_send![current, isEqual:*self.context]; is_equal } else { false @@ -683,9 +652,12 @@ impl Window { MouseCursor::Move | MouseCursor::AllScroll | MouseCursor::ZoomIn | MouseCursor::ZoomOut => "arrowCursor", }; + let sel = Sel::register(cursor_name); + let cls = Class::get("NSCursor").unwrap(); unsafe { - let cursor : id = msg_send()(class("NSCursor"), selector(cursor_name)); - let _ : id = msg_send()(cursor, selector("set")); + use objc::MessageArguments; + let cursor: id = ().send(cls as *const _ as id, sel); + let _: id = msg_send![cursor, set]; } } @@ -709,7 +681,7 @@ impl IdRef { fn retain(i: id) -> IdRef { if i != nil { - unsafe { msg_send::<()>()(i, selector("retain")) }; + unsafe { msg_send![i, retain] } } IdRef(i) } @@ -722,7 +694,7 @@ impl IdRef { impl Drop for IdRef { fn drop(&mut self) { if self.0 != nil { - unsafe { msg_send::<()>()(self.0, selector("release")) }; + unsafe { msg_send![self.0, release] } } } } @@ -737,17 +709,17 @@ impl Deref for IdRef { impl Clone for IdRef { fn clone(&self) -> IdRef { if self.0 != nil { - unsafe { msg_send::<()>()(self.0, selector("retain")) }; + unsafe { msg_send![self.0, retain] } } IdRef(self.0) } fn clone_from(&mut self, source: &IdRef) { if source.0 != nil { - unsafe { msg_send::<()>()(source.0, selector("retain")) }; + unsafe { msg_send![source.0, retain] } } if self.0 != nil { - unsafe { msg_send::<()>()(self.0, selector("release")) }; + unsafe { msg_send![self.0, release] } } self.0 = source.0; } @@ -38,6 +38,9 @@ extern crate gdi32_sys as gdi32; #[cfg(target_os = "windows")] extern crate user32_sys as user32; #[cfg(target_os = "macos")] +#[macro_use] +extern crate objc; +#[cfg(target_os = "macos")] extern crate cocoa; #[cfg(target_os = "macos")] extern crate core_foundation; |