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Add in-window on-move-out mouse handler concept

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This commit is contained in:
Julia 2023-01-19 12:34:13 -05:00
parent 5189dea3d5
commit ad1947fa50
5 changed files with 66 additions and 4 deletions
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13
crates/gpui/src/scene/mouse_event.rs
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@ -21,6 +21,11 @@ impl Deref for MouseMove {
}
}
#[derive(Debug, Default, Clone)]
pub struct MouseMoveOut {
pub region: RectF,
}
#[derive(Debug, Default, Clone)]
pub struct MouseDrag {
pub region: RectF,
@ -138,6 +143,7 @@ impl Deref for MouseScrollWheel {
#[derive(Debug, Clone)]
pub enum MouseEvent {
Move(MouseMove),
MoveOut(MouseMoveOut),
Drag(MouseDrag),
Hover(MouseHover),
Down(MouseDown),
@ -152,6 +158,7 @@ impl MouseEvent {
pub fn set_region(&mut self, region: RectF) {
match self {
MouseEvent::Move(r) => r.region = region,
MouseEvent::MoveOut(r) => r.region = region,
MouseEvent::Drag(r) => r.region = region,
MouseEvent::Hover(r) => r.region = region,
MouseEvent::Down(r) => r.region = region,
@ -168,6 +175,7 @@ impl MouseEvent {
pub fn is_capturable(&self) -> bool {
match self {
MouseEvent::Move(_) => true,
MouseEvent::MoveOut(_) => false,
MouseEvent::Drag(_) => true,
MouseEvent::Hover(_) => false,
MouseEvent::Down(_) => true,
@ -185,6 +193,10 @@ impl MouseEvent {
discriminant(&MouseEvent::Move(Default::default()))
}
pub fn move_out_disc() -> Discriminant<MouseEvent> {
discriminant(&MouseEvent::MoveOut(Default::default()))
}
pub fn drag_disc() -> Discriminant<MouseEvent> {
discriminant(&MouseEvent::Drag(Default::default()))
}
@ -220,6 +232,7 @@ impl MouseEvent {
pub fn handler_key(&self) -> HandlerKey {
match self {
MouseEvent::Move(_) => HandlerKey::new(Self::move_disc(), None),
MouseEvent::MoveOut(_) => HandlerKey::new(Self::move_out_disc(), None),
MouseEvent::Drag(e) => HandlerKey::new(Self::drag_disc(), e.pressed_button),
MouseEvent::Hover(_) => HandlerKey::new(Self::hover_disc(), None),
MouseEvent::Down(e) => HandlerKey::new(Self::down_disc(), Some(e.button)),