diff options
Diffstat (limited to 'helix-term/src')
| -rw-r--r-- | helix-term/src/compositor.rs | 6 | ||||
| -rw-r--r-- | helix-term/src/ui/popup.rs | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/helix-term/src/compositor.rs b/helix-term/src/compositor.rs index 9dad3620..2e4a2e20 100644 --- a/helix-term/src/compositor.rs +++ b/helix-term/src/compositor.rs @@ -1,4 +1,4 @@ -// Each component declares it's own size constraints and gets fitted based on it's parent. +// Each component declares its own size constraints and gets fitted based on its parent. // Q: how does this work with popups? // cursive does compositor.screen_mut().add_layer_at(pos::absolute(x, y), <component>) use helix_core::Position; @@ -97,6 +97,7 @@ impl Compositor { self.area = area; } + /// Add a layer to be rendered in front of all existing layers. pub fn push(&mut self, mut layer: Box<dyn Component>) { let size = self.size(); // trigger required_size on init @@ -136,7 +137,8 @@ impl Compositor { let mut consumed = false; // propagate events through the layers until we either find a layer that consumes it or we - // run out of layers (event bubbling) + // run out of layers (event bubbling), starting at the front layer and then moving to the + // background. for layer in self.layers.iter_mut().rev() { match layer.handle_event(event, cx) { EventResult::Consumed(Some(callback)) => { diff --git a/helix-term/src/ui/popup.rs b/helix-term/src/ui/popup.rs index 62a6785a..5a95c1bb 100644 --- a/helix-term/src/ui/popup.rs +++ b/helix-term/src/ui/popup.rs @@ -42,6 +42,10 @@ impl<T: Component> Popup<T> { } } + /// Set the anchor position next to which the popup should be drawn. + /// + /// Note that this is not the position of the top-left corner of the rendered popup itself, + /// but rather the screen-space position of the information to which the popup refers. pub fn position(mut self, pos: Option<Position>) -> Self { self.position = pos; self @@ -51,6 +55,10 @@ impl<T: Component> Popup<T> { self.position } + /// Set the popup to prefer to render above or below the anchor position. + /// + /// This preference will be ignored if the viewport doesn't have enough space in the + /// chosen direction. pub fn position_bias(mut self, bias: Open) -> Self { self.position_bias = bias; self @@ -78,6 +86,8 @@ impl<T: Component> Popup<T> { self } + /// Calculate the position where the popup should be rendered and return the coordinates of the + /// top left corner. pub fn get_rel_position(&mut self, viewport: Rect, cx: &Context) -> (u16, u16) { let position = self .position |