Pass all key events to the current constellation frame.

components/compositing/compositor.rs

@@ -19,7 +19,7 @@ use windowing::{MouseWindowEvent, MouseWindowEventClass, MouseWindowMouseDownEve
 use windowing::{MouseWindowMouseUpEvent, MouseWindowMoveEventClass, NavigationWindowEvent};
 use windowing::{QuitWindowEvent, RefreshWindowEvent, ResizeWindowEvent, ScrollWindowEvent};
 use windowing::{WindowEvent, WindowMethods, WindowNavigateMsg, ZoomWindowEvent};
-use windowing::{PinchZoomWindowEvent};
+use windowing::{PinchZoomWindowEvent, KeyEvent};
 
 use azure::azure_hl;
 use std::cmp;
@@ -43,7 +43,7 @@ use servo_msg::compositor_msg::{Blank, Epoch, FinishedLoading, IdleRenderState,
 use servo_msg::compositor_msg::{ReadyState, RenderingRenderState, RenderState, Scrollable};
 use servo_msg::constellation_msg::{ConstellationChan, ExitMsg, LoadUrlMsg};
 use servo_msg::constellation_msg::{NavigateMsg, LoadData, PipelineId, ResizedWindowMsg};
-use servo_msg::constellation_msg::{WindowSizeData};
+use servo_msg::constellation_msg::{WindowSizeData, KeyState, Key};
 use servo_msg::constellation_msg;
 use servo_util::geometry::{PagePx, ScreenPx, ViewportPx};
 use servo_util::memory::MemoryProfilerChan;
@@ -707,6 +707,10 @@ impl<Window: WindowMethods> IOCompositor<Window> {
                 self.on_navigation_window_event(direction);
             }
 
+            KeyEvent(key, state) => {
+                self.on_key_event(key, state);
+            }
+
             FinishedWindowEvent => {
                 let exit = opts::get().exit_after_load;
                 if exit {
@@ -878,6 +882,11 @@ impl<Window: WindowMethods> IOCompositor<Window> {
         chan.send(NavigateMsg(direction))
     }
 
+    fn on_key_event(&self, key: Key, state: KeyState) {
+        let ConstellationChan(ref chan) = self.constellation_chan;
+        chan.send(constellation_msg::KeyEvent(key, state))
+    }
+
     fn convert_buffer_requests_to_pipeline_requests_map(&self,
                                                         requests: Vec<(Rc<Layer<CompositorData>>,
                                                                        Vec<BufferRequest>)>) ->

components/compositing/constellation.rs

@@ -13,7 +13,8 @@ use gfx::render_task;
 use layers::geometry::DevicePixel;
 use layout_traits::{LayoutControlChan, LayoutTaskFactory, ExitNowMsg};
 use libc;
-use script_traits::{ResizeMsg, ResizeInactiveMsg, ExitPipelineMsg};
+use script_traits;
+use script_traits::{ResizeMsg, ResizeInactiveMsg, ExitPipelineMsg, SendEventMsg};
 use script_traits::{ScriptControlChan, ScriptTaskFactory};
 use servo_msg::compositor_msg::LayerId;
 use servo_msg::constellation_msg::{ConstellationChan, ExitMsg, FailureMsg, Failure, FrameRectMsg};
@@ -21,6 +22,7 @@ use servo_msg::constellation_msg::{IFrameSandboxState, IFrameUnsandboxed, InitLo
 use servo_msg::constellation_msg::{LoadCompleteMsg, LoadUrlMsg, LoadData, Msg, NavigateMsg};
 use servo_msg::constellation_msg::{NavigationType, PipelineId, RendererReadyMsg, ResizedWindowMsg};
 use servo_msg::constellation_msg::{ScriptLoadedURLInIFrameMsg, SubpageId, WindowSizeData};
+use servo_msg::constellation_msg::{KeyEvent, Key, KeyState};
 use servo_msg::constellation_msg;
 use servo_net::image_cache_task::{ImageCacheTask, ImageCacheTaskClient};
 use servo_net::resource_task::ResourceTask;
@@ -450,6 +452,10 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
                 debug!("constellation got window resize message");
                 self.handle_resized_window_msg(new_size);
             }
+            KeyEvent(key, state) => {
+                debug!("constellation got key event message");
+                self.handle_key_msg(key, state);
+            }
         }
         true
     }
@@ -761,6 +767,13 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
             .any(|current_frame| current_frame.contains(pipeline_id))
     }
 
+    fn handle_key_msg(&self, key: Key, state: KeyState) {
+        self.current_frame().as_ref().map(|frame| {
+            let ScriptControlChan(ref chan) = frame.pipeline.script_chan;
+            chan.send(SendEventMsg(frame.pipeline.id, script_traits::KeyEvent(key, state)));
+        });
+    }
+
     fn handle_renderer_ready_msg(&mut self, pipeline_id: PipelineId) {
         debug!("Renderer {} ready to send paint msg", pipeline_id);
         // This message could originate from a pipeline in the navigation context or

components/compositing/windowing.rs

@@ -11,6 +11,7 @@ use geom::scale_factor::ScaleFactor;
 use geom::size::TypedSize2D;
 use layers::geometry::DevicePixel;
 use layers::platform::surface::NativeGraphicsMetadata;
+use servo_msg::constellation_msg::{Key, KeyState};
 use servo_msg::compositor_msg::{ReadyState, RenderState};
 use servo_util::geometry::ScreenPx;
 use std::fmt::{FormatError, Formatter, Show};
@@ -58,6 +59,8 @@ pub enum WindowEvent {
     FinishedWindowEvent,
     /// Sent when the user quits the application
     QuitWindowEvent,
+    /// Sent when a key input state changes
+    KeyEvent(Key, KeyState),
 }
 
 impl Show for WindowEvent {
@@ -66,6 +69,7 @@ impl Show for WindowEvent {
             IdleWindowEvent => write!(f, "Idle"),
             RefreshWindowEvent => write!(f, "Refresh"),
             ResizeWindowEvent(..) => write!(f, "Resize"),
+            KeyEvent(..) => write!(f, "Key"),
             LoadUrlWindowEvent(..) => write!(f, "LoadUrl"),
             MouseWindowEventClass(..) => write!(f, "Mouse"),
             MouseWindowMoveEventClass(..) => write!(f, "MouseMove"),

components/msg/constellation_msg.rs

@@ -50,6 +50,137 @@ pub struct WindowSizeData {
     pub device_pixel_ratio: ScaleFactor<ViewportPx, DevicePixel, f32>,
 }
 
+pub enum KeyState {
+    Pressed,
+    Released,
+    Repeated,
+}
+
+//N.B. Straight up copied from glfw-rs
+pub enum Key {
+    KeySpace,
+    KeyApostrophe,
+    KeyComma,
+    KeyMinus,
+    KeyPeriod,
+    KeySlash,
+    Key0,
+    Key1,
+    Key2,
+    Key3,
+    Key4,
+    Key5,
+    Key6,
+    Key7,
+    Key8,
+    Key9,
+    KeySemicolon,
+    KeyEqual,
+    KeyA,
+    KeyB,
+    KeyC,
+    KeyD,
+    KeyE,
+    KeyF,
+    KeyG,
+    KeyH,
+    KeyI,
+    KeyJ,
+    KeyK,
+    KeyL,
+    KeyM,
+    KeyN,
+    KeyO,
+    KeyP,
+    KeyQ,
+    KeyR,
+    KeyS,
+    KeyT,
+    KeyU,
+    KeyV,
+    KeyW,
+    KeyX,
+    KeyY,
+    KeyZ,
+    KeyLeftBracket,
+    KeyBackslash,
+    KeyRightBracket,
+    KeyGraveAccent,
+    KeyWorld1,
+    KeyWorld2,
+
+    KeyEscape,
+    KeyEnter,
+    KeyTab,
+    KeyBackspace,
+    KeyInsert,
+    KeyDelete,
+    KeyRight,
+    KeyLeft,
+    KeyDown,
+    KeyUp,
+    KeyPageUp,
+    KeyPageDown,
+    KeyHome,
+    KeyEnd,
+    KeyCapsLock,
+    KeyScrollLock,
+    KeyNumLock,
+    KeyPrintScreen,
+    KeyPause,
+    KeyF1,
+    KeyF2,
+    KeyF3,
+    KeyF4,
+    KeyF5,
+    KeyF6,
+    KeyF7,
+    KeyF8,
+    KeyF9,
+    KeyF10,
+    KeyF11,
+    KeyF12,
+    KeyF13,
+    KeyF14,
+    KeyF15,
+    KeyF16,
+    KeyF17,
+    KeyF18,
+    KeyF19,
+    KeyF20,
+    KeyF21,
+    KeyF22,
+    KeyF23,
+    KeyF24,
+    KeyF25,
+    KeyKp0,
+    KeyKp1,
+    KeyKp2,
+    KeyKp3,
+    KeyKp4,
+    KeyKp5,
+    KeyKp6,
+    KeyKp7,
+    KeyKp8,
+    KeyKp9,
+    KeyKpDecimal,
+    KeyKpDivide,
+    KeyKpMultiply,
+    KeyKpSubtract,
+    KeyKpAdd,
+    KeyKpEnter,
+    KeyKpEqual,
+    KeyLeftShift,
+    KeyLeftControl,
+    KeyLeftAlt,
+    KeyLeftSuper,
+    KeyRightShift,
+    KeyRightControl,
+    KeyRightAlt,
+    KeyRightSuper,
+    KeyMenu,
+}
+
 /// Messages from the compositor and script to the constellation.
 pub enum Msg {
     ExitMsg,
@@ -62,6 +193,7 @@ pub enum Msg {
     NavigateMsg(NavigationDirection),
     RendererReadyMsg(PipelineId),
     ResizedWindowMsg(WindowSizeData),
+    KeyEvent(Key, KeyState),
 }
 
 /// Similar to net::resource_task::LoadData

components/script/script_task.rs

@@ -42,7 +42,7 @@ use script_traits::{CompositorEvent, ResizeEvent, ReflowEvent, ClickEvent, Mouse
 use script_traits::{MouseMoveEvent, MouseUpEvent, ConstellationControlMsg, ScriptTaskFactory};
 use script_traits::{ResizeMsg, AttachLayoutMsg, LoadMsg, ViewportMsg, SendEventMsg};
 use script_traits::{ResizeInactiveMsg, ExitPipelineMsg, NewLayoutInfo, OpaqueScriptLayoutChannel};
-use script_traits::{ScriptControlChan, ReflowCompleteMsg, UntrustedNodeAddress};
+use script_traits::{ScriptControlChan, ReflowCompleteMsg, UntrustedNodeAddress, KeyEvent};
 use servo_msg::compositor_msg::{FinishedLoading, LayerId, Loading};
 use servo_msg::compositor_msg::{ScriptListener};
 use servo_msg::constellation_msg::{ConstellationChan, LoadCompleteMsg, LoadUrlMsg, NavigationDirection};
@@ -907,6 +907,10 @@ impl ScriptTask {
             MouseMoveEvent(point) => {
               self.handle_mouse_move_event(pipeline_id, point);
             }
+
+            KeyEvent(key, state) => {
+                println!("key {} is {}", key as int, state as int);
+            }
         }
     }
 
@@ -1093,7 +1097,7 @@ impl ScriptTask {
             }
 
             None => {}
-      }
+        }
     }
 }
 

components/script_traits/lib.rs

@@ -25,7 +25,7 @@ extern crate serialize;
 use devtools_traits::DevtoolsControlChan;
 use libc::c_void;
 use servo_msg::constellation_msg::{ConstellationChan, PipelineId, Failure, WindowSizeData};
-use servo_msg::constellation_msg::{LoadData, SubpageId};
+use servo_msg::constellation_msg::{LoadData, SubpageId, Key, KeyState};
 use servo_msg::compositor_msg::ScriptListener;
 use servo_net::image_cache_task::ImageCacheTask;
 use servo_net::resource_task::ResourceTask;
@@ -74,7 +74,8 @@ pub enum CompositorEvent {
     ClickEvent(uint, Point2D<f32>),
     MouseDownEvent(uint, Point2D<f32>),
     MouseUpEvent(uint, Point2D<f32>),
-    MouseMoveEvent(Point2D<f32>)
+    MouseMoveEvent(Point2D<f32>),
+    KeyEvent(Key, KeyState),
 }
 
 /// An opaque wrapper around script<->layout channels to avoid leaking message types into