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Auto merge of #10122 - Manishearth:nav-keys, r=asajeffrey

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Support navigation keys

Rather useful.

If most people have these keys on their keyboard, I'd prefer to remove the backspace navigation handler. I've never used it on purpose, but it gets hit often by accident when an input widget isn't focused (either due to a misclick or debug build lag).

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This commit is contained in:
bors-servo 2016-03-24 02:35:49 +05:30
commit 771623054f
3 changed files with 21 additions and 3 deletions
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13
components/script/dom/keyboardevent.rs
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@ -148,7 +148,7 @@ impl KeyboardEvent {
}
// https://dvcs.w3.org/hg/dom3events/raw-file/tip/html/DOM3Events-key.html
// https://w3c.github.io/uievents-key/#key-value-tables
pub fn key_value(key: Key, mods: KeyModifiers) -> &'static str {
let shift = mods.contains(constellation_msg::SHIFT);
match key {
@ -319,6 +319,8 @@ pub fn key_value(key: Key, mods: KeyModifiers) -> &'static str {
Key::RightAlt => "Alt",
Key::RightSuper => "Super",
Key::Menu => "ContextMenu",
Key::NavigateForward => "BrowserForward",
Key::NavigateBackward => "BrowserBack",
}
}
@ -489,11 +491,13 @@ fn key_from_string(key_string: &str, location: u32) -> Option<Key> {
"Alt" if location == KeyboardEventConstants::DOM_KEY_LOCATION_RIGHT => Some(Key::RightAlt),
"Super" if location == KeyboardEventConstants::DOM_KEY_LOCATION_RIGHT => Some(Key::RightSuper),
"ContextMenu" => Some(Key::Menu),
"BrowserForward" => Some(Key::NavigateForward),
"BrowserBack" => Some(Key::NavigateBackward),
_ => None
}
}
// https://dvcs.w3.org/hg/dom3events/raw-file/tip/html/DOM3Events-code.html
// https://w3c.github.io/uievents-code/#code-value-tables
fn code_value(key: Key) -> &'static str {
match key {
Key::Space => "Space",
@ -613,7 +617,10 @@ fn code_value(key: Key) -> &'static str {
Key::LeftControl | Key::RightControl => "Control",
Key::LeftAlt | Key::RightAlt => "Alt",
Key::LeftSuper | Key::RightSuper => "Super",
Key::Menu => "Menu",
Key::Menu => "ContextMenu",
Key::NavigateForward => "BrowserForward",
Key::NavigateBackward => "BrowserBackward",
}
}