diff options
Diffstat (limited to 'src/cocoa/mod.rs')
| -rw-r--r-- | src/cocoa/mod.rs | 739 |
1 files changed, 0 insertions, 739 deletions
diff --git a/src/cocoa/mod.rs b/src/cocoa/mod.rs deleted file mode 100644 index 7125720..0000000 --- a/src/cocoa/mod.rs +++ /dev/null @@ -1,739 +0,0 @@ -#[cfg(feature = "headless")] -pub use self::headless::HeadlessContext; - -use {CreationError, Event, MouseCursor, CursorState}; -use CreationError::OsError; -use libc; - -use Api; -use BuilderAttribs; -use GlRequest; -use PixelFormat; -use native_monitor::NativeMonitorId; - -use objc::runtime::{Class, Object, Sel, BOOL, YES, NO}; -use objc::declare::ClassDecl; - -use cocoa::base::{id, nil}; -use cocoa::foundation::{NSAutoreleasePool, NSDate, NSDefaultRunLoopMode, NSPoint, NSRect, NSSize, - NSString, NSUInteger}; -use cocoa::appkit; -use cocoa::appkit::*; -use cocoa::appkit::NSEventSubtype::*; - -use core_foundation::base::TCFType; -use core_foundation::string::CFString; -use core_foundation::bundle::{CFBundleGetBundleWithIdentifier, CFBundleGetFunctionPointerForName}; - -use std::ffi::CStr; -use std::collections::VecDeque; -use std::str::FromStr; -use std::str::from_utf8; -use std::sync::Mutex; -use std::ascii::AsciiExt; -use std::ops::Deref; - -use events::Event::{Awakened, MouseInput, MouseMoved, ReceivedCharacter, KeyboardInput, MouseWheel, Closed}; -use events::ElementState::{Pressed, Released}; -use events::MouseButton; -use events; - -pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor}; - -mod monitor; -mod event; - -#[cfg(feature = "headless")] -mod headless; - -static mut shift_pressed: bool = false; -static mut ctrl_pressed: bool = false; -static mut win_pressed: bool = false; -static mut alt_pressed: bool = false; - -struct DelegateState { - is_closed: bool, - context: IdRef, - view: IdRef, - window: IdRef, - resize_handler: Option<fn(u32, u32)>, - - /// Events that have been retreived with XLib but not dispatched with iterators yet - pending_events: Mutex<VecDeque<Event>>, -} - -struct WindowDelegate { - state: Box<DelegateState>, - _this: IdRef, -} - -impl WindowDelegate { - /// Get the delegate class, initiailizing it neccessary - fn class() -> *const Class { - use std::sync::{Once, ONCE_INIT}; - - extern fn window_should_close(this: &Object, _: Sel, _: id) -> BOOL { - unsafe { - let state: *mut libc::c_void = *this.get_ivar("glutinState"); - let state = state as *mut DelegateState; - (*state).is_closed = true; - - (*state).pending_events.lock().unwrap().push_back(Closed); - } - YES - } - - extern fn window_did_resize(this: &Object, _: Sel, _: id) { - unsafe { - let state: *mut libc::c_void = *this.get_ivar("glutinState"); - let state = &mut *(state as *mut DelegateState); - - let _: () = msg_send![*state.context, update]; - - if let Some(handler) = state.resize_handler { - let rect = NSView::frame(*state.view); - let scale_factor = NSWindow::backingScaleFactor(*state.window) as f32; - (handler)((scale_factor * rect.size.width as f32) as u32, - (scale_factor * rect.size.height as f32) as u32); - } - } - } - - 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 { - delegate_class - } - } - - fn new(state: DelegateState) -> WindowDelegate { - // Box the state so we can give a pointer to it - let mut state = Box::new(state); - let state_ptr: *mut DelegateState = &mut *state; - unsafe { - let delegate = IdRef::new(msg_send![WindowDelegate::class(), new]); - - (&mut **delegate).set_ivar("glutinState", state_ptr as *mut libc::c_void); - let _: () = msg_send![*state.window, setDelegate:*delegate]; - - WindowDelegate { state: state, _this: delegate } - } - } -} - -impl Drop for WindowDelegate { - fn drop(&mut self) { - unsafe { - // Nil the window's delegate so it doesn't still reference us - let _: () = msg_send![*self.state.window, setDelegate:nil]; - } - } -} - -pub struct Window { - view: IdRef, - window: IdRef, - context: IdRef, - delegate: WindowDelegate, -} - -#[cfg(feature = "window")] -unsafe impl Send for Window {} -#[cfg(feature = "window")] -unsafe impl Sync for Window {} - -#[cfg(feature = "window")] -#[derive(Clone)] -pub struct WindowProxy; - -impl WindowProxy { - pub fn wakeup_event_loop(&self) { - unsafe { - let pool = NSAutoreleasePool::new(nil); - let event = - NSEvent::otherEventWithType_location_modifierFlags_timestamp_windowNumber_context_subtype_data1_data2_( - nil, NSApplicationDefined, NSPoint::new(0.0, 0.0), NSEventModifierFlags::empty(), - 0.0, 0, nil, NSApplicationActivatedEventType, 0, 0); - NSApp().postEvent_atStart_(event, YES); - pool.drain(); - } - } -} - -pub struct PollEventsIterator<'a> { - window: &'a Window, -} - -impl<'a> Iterator for PollEventsIterator<'a> { - type Item = Event; - - fn next(&mut self) -> Option<Event> { - if let Some(ev) = self.window.delegate.state.pending_events.lock().unwrap().pop_front() { - return Some(ev); - } - - unsafe { - let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_( - NSAnyEventMask.bits(), - NSDate::distantPast(nil), - NSDefaultRunLoopMode, - YES); - if event == nil { return None; } - NSApp().sendEvent_(event); - - 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)) }, - NSRightMouseUp => { Some(MouseInput(Released, MouseButton::Right)) }, - NSMouseMoved | - NSLeftMouseDragged | - NSOtherMouseDragged | - NSRightMouseDragged => { - let window_point = event.locationInWindow(); - 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 { - self.window.view.convertPoint_fromView_(window_point, nil) - }; - let view_rect = NSView::frame(*self.window.view); - let scale_factor = self.window.hidpi_factor(); - Some(MouseMoved(((scale_factor * view_point.x as f32) as i32, - (scale_factor * (view_rect.size.height - view_point.y) as f32) as i32))) - }, - NSKeyDown => { - let mut events = VecDeque::new(); - let received_c_str = event.characters().UTF8String(); - let received_str = CStr::from_ptr(received_c_str); - for received_char in from_utf8(received_str.to_bytes()).unwrap().chars() { - if received_char.is_ascii() { - events.push_back(ReceivedCharacter(received_char)); - } - } - - let vkey = event::vkeycode_to_element(NSEvent::keyCode(event)); - events.push_back(KeyboardInput(Pressed, NSEvent::keyCode(event) as u8, vkey)); - let event = events.pop_front(); - self.window.delegate.state.pending_events.lock().unwrap().extend(events.into_iter()); - event - }, - NSKeyUp => { - let vkey = event::vkeycode_to_element(NSEvent::keyCode(event)); - Some(KeyboardInput(Released, NSEvent::keyCode(event) as u8, vkey)) - }, - NSFlagsChanged => { - let mut events = VecDeque::new(); - let shift_modifier = Window::modifier_event(event, appkit::NSShiftKeyMask, events::VirtualKeyCode::LShift, shift_pressed); - if shift_modifier.is_some() { - shift_pressed = !shift_pressed; - events.push_back(shift_modifier.unwrap()); - } - let ctrl_modifier = Window::modifier_event(event, appkit::NSControlKeyMask, events::VirtualKeyCode::LControl, ctrl_pressed); - if ctrl_modifier.is_some() { - ctrl_pressed = !ctrl_pressed; - events.push_back(ctrl_modifier.unwrap()); - } - let win_modifier = Window::modifier_event(event, appkit::NSCommandKeyMask, events::VirtualKeyCode::LWin, win_pressed); - if win_modifier.is_some() { - win_pressed = !win_pressed; - events.push_back(win_modifier.unwrap()); - } - let alt_modifier = Window::modifier_event(event, appkit::NSAlternateKeyMask, events::VirtualKeyCode::LAlt, alt_pressed); - if alt_modifier.is_some() { - alt_pressed = !alt_pressed; - events.push_back(alt_modifier.unwrap()); - } - let event = events.pop_front(); - self.window.delegate.state.pending_events.lock().unwrap().extend(events.into_iter()); - event - }, - NSScrollWheel => { Some(MouseWheel(event.scrollingDeltaY() as i32)) }, - _ => { None }, - }; - - - - event - } - } -} - -pub struct WaitEventsIterator<'a> { - window: &'a Window, -} - -impl<'a> Iterator for WaitEventsIterator<'a> { - type Item = Event; - - fn next(&mut self) -> Option<Event> { - loop { - if let Some(ev) = self.window.delegate.state.pending_events.lock().unwrap().pop_front() { - return Some(ev); - } - - unsafe { - let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_( - NSAnyEventMask.bits(), - NSDate::distantFuture(nil), - NSDefaultRunLoopMode, - NO); - } - - // calling poll_events() - if let Some(ev) = self.window.poll_events().next() { - return Some(ev); - } else { - return Some(Awakened); - } - } - } -} - -impl Window { - #[cfg(feature = "window")] - pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> { - if builder.sharing.is_some() { - unimplemented!() - } - - let app = match Window::create_app() { - Some(app) => app, - None => { return Err(OsError(format!("Couldn't create NSApplication"))); }, - }; - let window = match Window::create_window(builder.dimensions.unwrap_or((800, 600)), - &*builder.title, - builder.monitor) - { - Some(window) => window, - None => { return Err(OsError(format!("Couldn't create NSWindow"))); }, - }; - let view = match Window::create_view(*window) { - Some(view) => view, - None => { return Err(OsError(format!("Couldn't create NSView"))); }, - }; - - let context = match Window::create_context(*view, builder.vsync, builder.gl_version) { - Some(context) => context, - None => { return Err(OsError(format!("Couldn't create OpenGL context"))); }, - }; - - unsafe { - app.activateIgnoringOtherApps_(YES); - if builder.visible { - window.makeKeyAndOrderFront_(nil); - } else { - window.makeKeyWindow(); - } - } - - let ds = DelegateState { - is_closed: false, - context: context.clone(), - view: view.clone(), - window: window.clone(), - resize_handler: None, - pending_events: Mutex::new(VecDeque::new()), - }; - - let window = Window { - view: view, - window: window, - context: context, - delegate: WindowDelegate::new(ds), - }; - - Ok(window) - } - - fn create_app() -> Option<id> { - unsafe { - let app = NSApp(); - if app == nil { - None - } else { - app.setActivationPolicy_(NSApplicationActivationPolicyRegular); - app.finishLaunching(); - Some(app) - } - } - } - - fn create_window(dimensions: (u32, u32), title: &str, monitor: Option<MonitorID>) -> Option<IdRef> { - unsafe { - let screen = monitor.map(|monitor_id| { - let native_id = match monitor_id.get_native_identifier() { - NativeMonitorId::Numeric(num) => num, - _ => panic!("OS X monitors should always have a numeric native ID") - }; - let matching_screen = { - let screens = NSScreen::screens(nil); - 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, objectAtIndex:i as NSUInteger]; - let device_description = NSScreen::deviceDescription(screen); - let value: id = msg_send![device_description, objectForKey:*key]; - if value != nil { - let screen_number: NSUInteger = msg_send![value, unsignedIntegerValue]; - if screen_number as u32 == native_id { - matching_screen = Some(screen); - break; - } - } - } - matching_screen - }; - matching_screen.unwrap_or(NSScreen::mainScreen(nil)) - }); - let frame = match screen { - Some(screen) => NSScreen::frame(screen), - None => { - let (width, height) = dimensions; - NSRect::new(NSPoint::new(0., 0.), NSSize::new(width as f64, height as f64)) - } - }; - - let masks = if screen.is_some() { - NSBorderlessWindowMask as NSUInteger - } else { - NSTitledWindowMask as NSUInteger | - NSClosableWindowMask as NSUInteger | - NSMiniaturizableWindowMask as NSUInteger | - NSResizableWindowMask as NSUInteger - }; - - let window = IdRef::new(NSWindow::alloc(nil).initWithContentRect_styleMask_backing_defer_( - frame, - masks, - NSBackingStoreBuffered, - NO, - )); - window.non_nil().map(|window| { - let title = IdRef::new(NSString::alloc(nil).init_str(title)); - window.setTitle_(*title); - window.setAcceptsMouseMovedEvents_(YES); - if screen.is_some() { - window.setLevel_(NSMainMenuWindowLevel as i64 + 1); - } - else { - window.center(); - } - window - }) - } - } - - fn create_view(window: id) -> Option<IdRef> { - unsafe { - let view = IdRef::new(NSView::alloc(nil).init()); - view.non_nil().map(|view| { - view.setWantsBestResolutionOpenGLSurface_(YES); - window.setContentView_(*view); - view - }) - } - } - - fn create_context(view: id, vsync: bool, gl_version: GlRequest) -> Option<IdRef> { - let profile = match gl_version { - GlRequest::Latest => NSOpenGLProfileVersion4_1Core as u32, - GlRequest::Specific(Api::OpenGl, (1 ... 2, _)) => NSOpenGLProfileVersionLegacy as u32, - GlRequest::Specific(Api::OpenGl, (3, 0)) => NSOpenGLProfileVersionLegacy as u32, - GlRequest::Specific(Api::OpenGl, (3, 1 ... 2)) => NSOpenGLProfileVersion3_2Core as u32, - GlRequest::Specific(Api::OpenGl, _) => NSOpenGLProfileVersion4_1Core as u32, - GlRequest::Specific(_, _) => panic!("Only the OpenGL API is supported"), // FIXME: return Result - GlRequest::GlThenGles { opengl_version: (1 ... 2, _), .. } => NSOpenGLProfileVersionLegacy as u32, - GlRequest::GlThenGles { opengl_version: (3, 0), .. } => NSOpenGLProfileVersionLegacy as u32, - GlRequest::GlThenGles { opengl_version: (3, 1 ... 2), .. } => NSOpenGLProfileVersion3_2Core as u32, - GlRequest::GlThenGles { .. } => NSOpenGLProfileVersion4_1Core as u32, - }; - unsafe { - let attributes = [ - NSOpenGLPFADoubleBuffer as u32, - NSOpenGLPFAClosestPolicy as u32, - NSOpenGLPFAColorSize as u32, 24, - NSOpenGLPFAAlphaSize as u32, 8, - NSOpenGLPFADepthSize as u32, 24, - NSOpenGLPFAStencilSize as u32, 8, - NSOpenGLPFAOpenGLProfile as u32, profile, - 0 - ]; - - let pixelformat = IdRef::new(NSOpenGLPixelFormat::alloc(nil).initWithAttributes_(&attributes)); - pixelformat.non_nil().map(|pixelformat| { - let context = IdRef::new(NSOpenGLContext::alloc(nil).initWithFormat_shareContext_(*pixelformat, nil)); - context.non_nil().map(|context| { - context.setView_(view); - if vsync { - let value = 1; - context.setValues_forParameter_(&value, NSOpenGLContextParameter::NSOpenGLCPSwapInterval); - } - context - }) - }).unwrap_or(None) - } - } - - pub fn is_closed(&self) -> bool { - self.delegate.state.is_closed - } - - pub fn set_title(&self, title: &str) { - unsafe { - let title = IdRef::new(NSString::alloc(nil).init_str(title)); - self.window.setTitle_(*title); - } - } - - pub fn show(&self) { - unsafe { NSWindow::makeKeyAndOrderFront_(*self.window, nil); } - } - - pub fn hide(&self) { - unsafe { NSWindow::orderOut_(*self.window, nil); } - } - - pub fn get_position(&self) -> Option<(i32, i32)> { - unsafe { - let content_rect = NSWindow::contentRectForFrameRect_(*self.window, NSWindow::frame(*self.window)); - // NOTE: coordinate system might be inconsistent with other backends - Some((content_rect.origin.x as i32, content_rect.origin.y as i32)) - } - } - - pub fn set_position(&self, x: i32, y: i32) { - unsafe { - // NOTE: coordinate system might be inconsistent with other backends - NSWindow::setFrameOrigin_(*self.window, NSPoint::new(x as f64, y as f64)); - } - } - - pub fn get_inner_size(&self) -> Option<(u32, u32)> { - unsafe { - let view_frame = NSView::frame(*self.view); - Some((view_frame.size.width as u32, view_frame.size.height as u32)) - } - } - - pub fn get_outer_size(&self) -> Option<(u32, u32)> { - unsafe { - let window_frame = NSWindow::frame(*self.window); - Some((window_frame.size.width as u32, window_frame.size.height as u32)) - } - } - - pub fn set_inner_size(&self, width: u32, height: u32) { - unsafe { - NSWindow::setContentSize_(*self.window, NSSize::new(width as f64, height as f64)); - } - } - - pub fn create_window_proxy(&self) -> WindowProxy { - WindowProxy - } - - pub fn poll_events(&self) -> PollEventsIterator { - PollEventsIterator { - window: self - } - } - - pub fn wait_events(&self) -> WaitEventsIterator { - WaitEventsIterator { - window: self - } - } - - unsafe fn modifier_event(event: id, keymask: NSEventModifierFlags, key: events::VirtualKeyCode, key_pressed: bool) -> Option<Event> { - if !key_pressed && NSEvent::modifierFlags(event).contains(keymask) { - return Some(KeyboardInput(Pressed, NSEvent::keyCode(event) as u8, Some(key))); - } else if key_pressed && !NSEvent::modifierFlags(event).contains(keymask) { - return Some(KeyboardInput(Released, NSEvent::keyCode(event) as u8, Some(key))); - } - - return None; - } - - pub unsafe fn make_current(&self) { - let _: () = msg_send![*self.context, update]; - self.context.makeCurrentContext(); - } - - pub fn is_current(&self) -> bool { - unsafe { - let current = NSOpenGLContext::currentContext(nil); - if current != nil { - let is_equal: BOOL = msg_send![current, isEqual:*self.context]; - is_equal != NO - } else { - false - } - } - } - - pub fn get_proc_address(&self, _addr: &str) -> *const () { - let symbol_name: CFString = FromStr::from_str(_addr).unwrap(); - let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap(); - let framework = unsafe { - CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef()) - }; - let symbol = unsafe { - CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef()) - }; - symbol as *const () - } - - pub fn swap_buffers(&self) { - unsafe { self.context.flushBuffer(); } - } - - pub fn platform_display(&self) -> *mut libc::c_void { - unimplemented!() - } - - pub fn platform_window(&self) -> *mut libc::c_void { - unimplemented!() - } - - pub fn get_api(&self) -> ::Api { - ::Api::OpenGl - } - - pub fn get_pixel_format(&self) -> PixelFormat { - unimplemented!(); - } - - pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) { - self.delegate.state.resize_handler = callback; - } - - pub fn set_cursor(&self, cursor: MouseCursor) { - let cursor_name = match cursor { - MouseCursor::Arrow | MouseCursor::Default => "arrowCursor", - MouseCursor::Hand => "pointingHandCursor", - MouseCursor::Grabbing | MouseCursor::Grab => "closedHandCursor", - MouseCursor::Text => "IBeamCursor", - MouseCursor::VerticalText => "IBeamCursorForVerticalLayout", - MouseCursor::Copy => "dragCopyCursor", - MouseCursor::Alias => "dragLinkCursor", - MouseCursor::NotAllowed | MouseCursor::NoDrop => "operationNotAllowedCursor", - MouseCursor::ContextMenu => "contextualMenuCursor", - MouseCursor::Crosshair => "crosshairCursor", - MouseCursor::EResize => "resizeRightCursor", - MouseCursor::NResize => "resizeUpCursor", - MouseCursor::WResize => "resizeLeftCursor", - MouseCursor::SResize => "resizeDownCursor", - MouseCursor::EwResize | MouseCursor::ColResize => "resizeLeftRightCursor", - MouseCursor::NsResize | MouseCursor::RowResize => "resizeUpDownCursor", - - /// TODO: Find appropriate OSX cursors - MouseCursor::NeResize | MouseCursor::NwResize | - MouseCursor::SeResize | MouseCursor::SwResize | - MouseCursor::NwseResize | MouseCursor::NeswResize | - - MouseCursor::Cell | MouseCursor::NoneCursor | - MouseCursor::Wait | MouseCursor::Progress | MouseCursor::Help | - MouseCursor::Move | MouseCursor::AllScroll | MouseCursor::ZoomIn | - MouseCursor::ZoomOut => "arrowCursor", - }; - let sel = Sel::register(cursor_name); - let cls = Class::get("NSCursor").unwrap(); - unsafe { - use objc::MessageArguments; - let cursor: id = ().send(cls as *const _ as id, sel); - let _: () = msg_send![cursor, set]; - } - } - - pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> { - let cls = Class::get("NSCursor").unwrap(); - match state { - CursorState::Normal => { - let _: () = unsafe { msg_send![cls, unhide] }; - Ok(()) - }, - CursorState::Hide => { - let _: () = unsafe { msg_send![cls, hide] }; - Ok(()) - }, - CursorState::Grab => { - Err("Mouse grabbing is unimplemented".to_string()) - } - } - } - - pub fn hidpi_factor(&self) -> f32 { - unsafe { - NSWindow::backingScaleFactor(*self.window) as f32 - } - } - - pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> { - unimplemented!(); - } -} - -struct IdRef(id); - -impl IdRef { - fn new(i: id) -> IdRef { - IdRef(i) - } - - fn retain(i: id) -> IdRef { - if i != nil { - let _: id = unsafe { msg_send![i, retain] }; - } - IdRef(i) - } - - fn non_nil(self) -> Option<IdRef> { - if self.0 == nil { None } else { Some(self) } - } -} - -impl Drop for IdRef { - fn drop(&mut self) { - if self.0 != nil { - let _: () = unsafe { msg_send![self.0, release] }; - } - } -} - -impl Deref for IdRef { - type Target = id; - fn deref<'a>(&'a self) -> &'a id { - &self.0 - } -} - -impl Clone for IdRef { - fn clone(&self) -> IdRef { - if self.0 != nil { - let _: id = unsafe { msg_send![self.0, retain] }; - } - IdRef(self.0) - } -} - |