Implement the :focus pseudo-class selector

Fixes #5460. This supports for simple focusable elements that are their own
DOM anchors, like text `input` fields.
This commit is contained in:
Matt Brubeck 2015-03-30 10:39:13 -07:00
parent ad6c511a5e
commit 791fa3757d
10 changed files with 106 additions and 9 deletions

View file

@ -152,6 +152,8 @@ bitflags! {
#[doc = "Specifies whether or not there is an authentic click in progress on \
this element."]
const CLICK_IN_PROGRESS = 0x100,
#[doc = "Specifies whether this node has the focus."]
const IN_FOCUS_STATE = 0x200,
}
}
@ -440,6 +442,9 @@ pub trait NodeHelpers<'a> {
fn get_hover_state(self) -> bool;
fn set_hover_state(self, state: bool);
fn get_focus_state(self) -> bool;
fn set_focus_state(self, state: bool);
fn get_disabled_state(self) -> bool;
fn set_disabled_state(self, state: bool);
@ -618,6 +623,14 @@ impl<'a> NodeHelpers<'a> for JSRef<'a, Node> {
self.set_flag(IN_HOVER_STATE, state)
}
fn get_focus_state(self) -> bool {
self.get_flag(IN_FOCUS_STATE)
}
fn set_focus_state(self, state: bool) {
self.set_flag(IN_FOCUS_STATE, state)
}
fn get_disabled_state(self) -> bool {
self.get_flag(IN_DISABLED_STATE)
}
@ -1036,6 +1049,8 @@ pub trait RawLayoutNodeHelpers {
#[allow(unsafe_code)]
unsafe fn get_hover_state_for_layout(&self) -> bool;
#[allow(unsafe_code)]
unsafe fn get_focus_state_for_layout(&self) -> bool;
#[allow(unsafe_code)]
unsafe fn get_disabled_state_for_layout(&self) -> bool;
#[allow(unsafe_code)]
unsafe fn get_enabled_state_for_layout(&self) -> bool;
@ -1050,6 +1065,11 @@ impl RawLayoutNodeHelpers for Node {
}
#[inline]
#[allow(unsafe_code)]
unsafe fn get_focus_state_for_layout(&self) -> bool {
self.flags.get().contains(IN_FOCUS_STATE)
}
#[inline]
#[allow(unsafe_code)]
unsafe fn get_disabled_state_for_layout(&self) -> bool {
self.flags.get().contains(IN_DISABLED_STATE)
}